MODULE FOR STEPPER MOTORS
MODULE
Hardware Version V1.2
HARDWARE MANUAL
+
+
TMCM-1310
1-Axis Stepper
Closed Loop Controller / Driver
3 A RMS / 48 V
ABN and SSI Encoder Input
18 GPIOs
USB, EtherCAT®
+
TRINAMIC Motion Control GmbH & Co. KG
Hamburg, Germany
www.trinamic.com
+
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
Table of Contents
1
2
3
4
5
6
7
8
9
Features........................................................................................................................................................................... 3
Order Codes ................................................................................................................................................................... 5
Mechanical and Electrical Interfacing ..................................................................................................................... 6
3.1
Dimensions ........................................................................................................................................................... 6
3.2
Connectors ............................................................................................................................................................. 7
3.2.1 Power Connector ........................................................................................................................................... 8
3.2.2 Motor Connector ............................................................................................................................................ 8
3.2.3 Encoder Connector ........................................................................................................................................ 9
3.2.4 Reference Switch Connector .................................................................................................................... 11
3.2.5 I/O Connectors 0 and 1 ............................................................................................................................. 11
3.2.6 USB Connector ............................................................................................................................................. 12
3.2.7 EtherCAT LINK IN / LINK OUT Connectors ............................................................................................ 13
3.3
Power Supply ..................................................................................................................................................... 14
3.3.1 Adding an Electrolytic Capacitor ............................................................................................................. 14
3.4
Communication .................................................................................................................................................. 15
3.4.1 USB .................................................................................................................................................................. 15
3.5
Inputs and Outputs .......................................................................................................................................... 15
3.5.1 Encoder Input ............................................................................................................................................... 15
3.5.2 Reference Switch Inputs ........................................................................................................................... 16
3.5.3 General Purpose Inputs............................................................................................................................. 16
3.5.4 General Purpose Outputs .......................................................................................................................... 17
On-Board LEDs............................................................................................................................................................. 18
Operational Ratings ................................................................................................................................................... 19
Functional Description .............................................................................................................................................. 20
Life Support Policy ..................................................................................................................................................... 21
Revision History .......................................................................................................................................................... 22
8.1
Document Revision ........................................................................................................................................... 22
8.2
Hardware Revision ............................................................................................................................................ 22
References .................................................................................................................................................................... 22
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2
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
3
1 Features
The TMCM-1310 is a single axis stepper motor controller/driver standalone board with closed loop
support. For communication an USB interface and EtherCAT®* are provided. The module supports motor
currents up to 3A RMS and supply voltages up to 48V nominal. The module offers inputs for one
incremental a/b/n (TTL, open-collector and differential inputs) or absolute SSI encoders (selectable in
software). There are dedicated stop switch inputs, 8 general purpose inputs, and 8 general purpose
outputs.
MAIN CHARACTERISTICS
Bipolar stepper motor driver
Up to 256 microsteps per full step
High-efficient operation, low power dissipation
Dynamic current control
Integrated protection: overtemperature and undervoltage
stallGuard2™ feature for stall detection ( for open loop operation)
Encoder
Encoder input for incremental a/b/n (TTL, open-collector and differential inputs) and absolute SSI
encoders (selectable in software)
Interfaces
USB 2.0 full-speed (12Mbit/s) communication interface (mini-USB connector)
EtherCAT LINK IN and LINK OUT (RJ45)
Dedicated STOP_L / STOP_R inputs
Up to 8 multi-purpose inputs (+24V compatible, incl. 2 dedicated analog inputs)
Up to 8 multi-purpose outputs (open-drain, incl. 2 outputs for currents up to 1A)
Software
TMCL™ remote (direct mode) and standalone operation with memory for up to 1024 TMCL commands
Closed-loop support
Fully supported by TMCL-IDE (PC based integrated development environment)
Electrical data
Supply voltage: +12V… +48V DC
Motor current: up to 3A RMS (programmable)
Mechanical data
Size: 110mm x 110mm, height 26.3mm
Please refer to separate TMCM-1310 TMCL Firmware Manual for additional information.
* EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH,
Germany.
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
4
TRINAMICS UNIQUE FEATURES – CLOSED LOOP MODE
The TMCM-1310 is mainly designed to run 2-phase stepper motors in closed loop mode. It offers an
automatic motor load adaption in positioning mode, velocity mode, and torque mode, which is based on
encoder feedback and closed loop control software for analysis, error detection and error correction.
The closed loop mode operation combines the advantages of a stepper driver system with the benefits
of a servo drive. Thus, the TMCM-1310 is able to satisfy ambitious requirements in reliability and precision
and can be used in several industrial demanding applications.
TMCM-1310
Benefits of Stepper Drive
Benefits of Servo Drive
High torque without gearing
No feedback loop oscillations
High precision
Precise velocity control
Reaction to any impact
No position loss
Torque control
Figure 1.1 TMCM-1310 characteristics in closed loop mode
THE TRINAMIC CLOSED LOOP MODE OPERATION
-
prevents the motor from stall and step loss caused by too high load or high velocity.
adapts the current amplitude to each motor load which is within the ranges predetermined by
motor and controller/driver board characteristics.
achieves a higher torque output than in open loop mode.
guarantees a precise and fast positioning.
enables velocity and positioning error compensation.
Using the TMCM-1310, energy will be saved and the motor will be kept cool.
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
5
2 Order Codes
Order code
TMCM-1310-option
Description
Size of unit (mm3)
1-axis closed-loop bipolar stepper motor controller / 110 x 110 x 26.5
driver module
Table 2.1 Order codes
The following options are available:
Firmware option
-TMCL
Description
Module pre-programmed with TMCL firmware
Order code example:
TMCM-1310-TMCL
Table 2.2 Firmware options
A cable loom set is available for this module:
Order code
TMCM-1310-CABLE
Description
Cable loom for TMCM-1310. Contains (see chapter 3.2, also):
1x cable loom for power connector
1x cable loom for reference switch connector
1x cable loom for encoder input connector
1x cable loom for motor connector
2x cable loom for I/O connector 0+1
1x USB type A connector to mini-USB type B connector cable
1x cable loom for EtherCAT communication
Table 2.3 Cable loom order code
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
6
3 Mechanical and Electrical Interfacing
3.1 Dimensions
The TMCM-1310 has an overall size of 110mm x 110mm and offers four mounting holes with 4mm
diameter. Maximum height (without mating connectors and cable looms) is about 26.3mm.
98.5
5
74.5
11
46.5
19
23.5
21
6
6
9
18
13.5
75.5 51.5
Top
18.5
44 64 89.3 max
18
7 13
5
19.5
14
6
9.5
13.5
7.5
7.5
9
17
23
44
23
94
20
9
70
3
20
4
4
70
Bottom
Mounting holes:
Ø = 4mm
110
Figure 3.1 Dimensions of TMCM-1310 (all values in mm)
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89.3 max 110
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
7
3.2 Connectors
The TMCM-1310 has nine connectors altogether:
one detachable connector for the motor
one detachable connector for the corresponding encoder input
one detachable connector for the reference switches
two detachable I/O connectors
one detachable power connector
two connectors for communication via EtherCAT©
one mini-USB connector
r
Moto
er
Pow
I/O r 1
ecto
conn
I/O r 0
ecto
conn
e
renc
Refe hes
tc
swi
der
Enco
™
rCAT
Ethe
N
I
™
LINK
rCAT
Ethe OUT
LINK
U SB
Figure 3.2 TMCM-1310 connectors
OVERVIEW OF CONNECTOR AND MATING CONNECTOR TYPES
Label
Power connector
Connector type
JST B3P-VH
(JST VH series, 3pins, 3.96mm pitch)
Motor connector
JST B4B-EH-A
(JST EH series, 4pins, 2.5mm pitch)
Encoder connector
JST B8B-PH-K-S
(JST PH series, 4pins, 2mm pitch)
Reference switch
connector
I/O connector 0 + 1
Mini-USB connector
EtherCAT™ LINK IN
/ OUT connectors
JST B4B-PH-K-S
(JST PH series, 4pins, 2mm pitch)
JST B10B-PH-K-S
(JST PH series, 10pins, 2mm pitch)
Molex 500075-1517
Mini USB Type B vertical receptacle
100BASE-TX RJ-45 connector
Mating connector type
Connector housing: JST VHR-3N
Contacts: JST SVH-21T-P1.1
Wire: 0.83mm2, AWG 18
Connector housing: JST EHR-4
Contacts: JST SEH-001T-P0.6
Wire: 0.33mm2, AWG 22
Connector housing: JST PHR-8
Contacts: JST SPH-002T-P0.5S
Wire: 0.22mm2, AWG 24
Connector housing: JST PHR-4
Contacts: JST SPH-002T-P0.5S
Wire: 0.22mm2, AWG 24
Connector housing: JST PHR-10
Contacts: JST SPH-002T-P0.5S
Wire: 0.22mm2, AWG 24
Any standard mini-USB plug
Any standard RJ-45 plug
(adequate for 100Mbit/s Ethernet communication, e.g. CAT-5, CAT-5e or better)
Table 3.1 Connectors and mating connectors, contacts and applicable wire
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
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3.2.1 Power Connector
The module has a single power connector with the option to have separate supplies for driver
electronics and the digital controller part. A single supply voltage is sufficient. All further voltages
required e.g. for the digital components are generated on-board.
Pin
1
2
Label
GND
3
VDIGITAL
VDRIVER
Direction
Power (GND)
Power
(supply input)
Power
(supply input)
1
3
Description
Common system supply and signal ground
Stepper driver supply voltage. Without this voltage
the stepper driver and any motor connected will not
be energized.
Supply voltage for everything else apart from the
stepper motor driver. The on-board voltage regulator
generates the necessary voltages for the digital
circuits from this supply. The pin can be left
unconnected. In this case a diode between VDRIVER and
VDIGITAL ensures the supply for the digital parts.
ATTENTION:
The diode has a current rating of 3A. As VDIGTIAL is
available at the I/O connectors and at the
reference switch connectors also, always connect
this pin to positive supply voltage in case
substantial amount of current is withdrawn from
these pins for external circuits.
It is expected that VDIGITAL and VDRIVER are connected
to the same power supply output when both pins
are used. Otherwise please ensure that VDIGITAL is
always equal or higher than VDRIVER when
connected (due to the diode).
Table 3.2 Power connector
3.2.2 Motor Connector
A 4 pin JST EH series connector is available for motor connection.
1
4
Pin
1
2
3
4
Label
A1
A2
B1
B2
Table 3.3 Motor connector
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Direction
Output
Output
Output
Output
Description
Pin
Pin
Pin
Pin
1
2
1
2
of
of
of
of
motor
motor
motor
motor
coil
coil
coil
coil
A
A
B
B
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
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3.2.3 Encoder Connector
An encoder input connector (JST PH series 8pin with 2mm pitch) is available. There are possibilities for
different encoder types. In addition to encoders with incremental A/B/N signals, encoders with
synchronous serial interface (SSI) delivering absolute position information are supported, too.
3.2.3.1 Encoders with Incremental A/B/N Interface Configuration
The following encoders are supported in incremental A/B/N interface configuration:
-
encoders with incremental differential (RS422) output signals with or without zero/index channel
encoders with incremental single ended (TTL or open collector) output signals with or without
zero/index channel
Pin
1
8
1
Label
GND
2
+5V
3
4
5
6
A+
AB+
B-
Direction
Power (GND)
Power
(supply output)
Input
Input
Input
Input
7
N+
Input
8
N-
Input
Description
Signal and system ground
+5V output for external circuit
Encoder channel A+ input (differential, non-inverting)
Encoder channel A- input (differential, inverting)
Encoder channel B+ input (differential, non-inverting)
Encoder channel B- input (differential, inverting)
Encoder zero / index channel input
(differential, non-inverting)
Encoder zero / index channel input
(differential, inverting)
Table 3.4 Encoder connector (configuration for encoders with incremental A/B/N output)
For encoders with +5V supply the required +5V output is also available via this connector (max. 100mA
per connector).
3.2.3.1.1
Differential A/B/N Encoder Signals
For differential encoder signals connect all differential signals (A+ and A-, B+ and B- and optional N+ and
N-) to the respective connector input pins. Usually on-board line termination should be also installed for
differential signals. Therefore, close all three jumpers for the 120R line termination of the respective
differential encoder input.
Place jumpers for
proper temrination
Please refer to the encoder manufacturer data
sheet for the correct interface settings.
Figure 3.3 Encoder input termination
3.2.3.1.2
Single Ended A/B/N Encoder Signals
For single ended encoders (TTL or open collector signals) connect the encoder signals A, B and optional
N to the positive / non-inverting differential inputs of the encoder connector A+ / B+ / N+.
NECESSARY CONNECTIONS
Encoder connector
Encoder sign.
Description
Pin
Label
A
3
A+
Encoder channel A
B
5
B+
Encoder channel B
N/I (optional)
7
N+
Encoder zero / index channel input
Table 3.5 How to connect single ended encoders
The pins A-, B-, and N- of the encoder connector should be left unconnected.
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
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3.2.3.2 Encoders with Synchronous Serial Interface
The TMCM-1310 supports encoders with synchronous serial interface (SSI) delivering absolute position
information, too. In this case the encoder connector pin assignment can be switched to its alternate
function as shown in Table 3.6.
Pin
1
2
8
1
Label
GND
+5V
3
CS+
4
5
6
7
8
CSDATA+
DATACLOCK+
CLOCK-
Direction
Power (GND)
Power
(supply output)
Output
Output
Input
Input
Output
Output
Description
Signal and system ground
+5V output for external circuit
Encoder SSI
inverting)
Encoder SSI
Encoder SSI
Encoder SSI
Encoder SSI
Encoder SSI
chip select output (differential, nonchip select output (differential, inverting)
data input (differential, non-inverting)
data input (differential, inverting)
clock output (differential, non-inverting)
clock output (differential, inverting)
Table 3.6 Encoder connector (configuration for encoders with SSI output)
3.2.3.2.1
Differential SSI Encoder Signals
For differential encoder SSI signals please connect all differential signals (DATA+ and DATA-, CLOCK+ and
CLOCK-) to the respective connector input pins. The CS+ and CS- signals are optional depending on
encoder interface. Usually on-board line termination should be also installed for differential signals.
Therefore close all three jumpers for 120R line termination of the respective differential encoder input.
Place jumpers for
proper temrination
Please refer to the encoder manufacturer data
sheet for the correct interface settings.
Figure 3.3 Encoder input termination
3.2.3.2.2
Single Ended SSI Encoder Signals
For single ended encoders (TTL or open collector signals) please connect the encoder signals DATA and
CLOCK to the positive / non-inverting differential inputs of the encoder connector DATA+ / CLOCK+. If
available, encoder input signal CS should be connected to CS+.
NECESSARY CONNECTIONS
Encoder connector
Encoder sign.
Pin
Label
CS
3
CS+
Encoder chip select output
DATA
5
DATA+
Encoder DATA+ input
CLOCK
7
CLOCK+ Encoder CLOCK+ output
Description
Table 3.7 How to connect single ended SSI encoders
Pins CS-, DATA- and CLOCK- of the encoder connector may be left unconnected.
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
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3.2.4 Reference Switch Connector
A separate reference / limit switch input connector is available. Connector type is JST PH series 4pin with
2mm pitch.
1
Pin
1
2
4
3
4
Label
GND
+5V
REF_L
REF_R
Direction
Power (GND)
Power
(supply output)
Input
Input
Description
Signal and system ground
+5V supply output for external encoder and reference
switch circuit.
Input for reference / limit switch left
Input for reference / limit switch right
Table 3.8 Reference switch connector
3.2.5 I/O Connectors 0 and 1
The module offers two I/O connectors (JST PH series 8pin with 2mm pitch). Number and type of inputs,
outputs and supply are the same for both connectors. It is sufficient to use just one connector if only
few I/Os are required. This simplifies cabling.
3.2.5.1 I/O Connector 0
Pin
1
Label
GND
VCC
Direction
Power (GND)
Power
(supply output)
AIN0
Input
IN1
IN2
IN3
OUT0
Input
Input
Input
Output
OUT1
Output
OUT2
Output
OUT3
Output
2
3
1
4
5
6
10
7
8
9
10
Table 3.9 I/O connector 0
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Description
GND
Connected to VDIGITAL of Power connector. Please note:
max. current is 500mA (protected via on-board 500mA
polyfuse)
Dedicated analog input,
input voltage range: 0… +10V,
resolution: 12bit (0… 4095)
Digital input (+24V compatible)
Digital input (+24V compatible)
Digital input (+24V compatible)
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 1A)
Integrated freewheeling diode
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
12
3.2.5.2 I/O Connector 1
Pin
1
Label
GND
VCC
Direction
Power (GND)
Power
(supply output)
AIN4
Input
IN5
IN6
IN7
OUT4
Input
Input
Input
Output
OUT5
Output
OUT6
Output
OUT7
Output
2
3
1
4
5
6
10
7
8
9
10
Description
GND
Connected to VDIGITAL of Power connector. Please note:
max. current is 500mA (protected via on-board 500mA
polyfuse)
Dedicated analog input,
input voltage range: 0… +10V,
resolution: 12bit (0… 4095)
Digital input (+24V compatible)
Digital input (+24V compatible)
Digital input (+24V compatible)
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 100mA)
Integrated freewheeling diode
Open-drain output (max. 1A)
Integrated freewheeling diode
Table 3.10 I/O connector 1
3.2.6 USB Connector
An USB (device) interface is available via a mini-USB connector. This module supports USB 2.0 full-speed
(12Mbit/s) connections.
The on-board digital core logic (mainly processor and EEPROM) will be powered via USB in case no
other power supply is connected. This is useful for setting parameters and downloading TMCL programs
or for performing firmware updates. Using a USB connection to the host, the tasks outlined above can
be carried out inside a machine while the machine is powered off. Refer to chapter 3.4.1, please.
Pin
5
1
1
2
3
4
5
Label
VBUS
DD+
ID
GND
Table 3.11 USB connector
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Direction
Power
(+5V input)
Bi-directional
Bi-directional
Power (GND)
Description
+5V supply from Host
USB Data USB Data +
Connected to signal and system ground
Signal and System ground
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
13
3.2.7 EtherCAT LINK IN / LINK OUT Connectors
The TMCM-1310 offers two connectors (100BASE-TX RJ-45) with standard Ethernet 100Mbit/s pin
assignment for EtherCAT LINK IN (towards Master) and LINK OUT (further slaves) connection.
1
8
Pin
1
2
3
4
5
6
7
8
Label
TX+
TXRX+
Direction
Output
Output
Input
Description
Transmit data output (non-inverting)
Transmit data output (inverting)
Receive data input (non-inverting)
RX-
Input
Receive data input (inverting)
Table 3.12 100BASE-TX RJ-45 connector
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
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3.3 Power Supply
For proper operation care has to be taken with regard to power supply concept and design. The TMCM1310 includes about 40µF of supply filter capacitors. These are ceramic capacitors which have been
selected for high reliability and long life time. Further, the module includes a 48V suppressor diode and
additional varistor for over-voltage protection.
CAUTION!
Add external power supply capacitors!
The module contains a number of capacitors for power supply filtering. Nevertheless,
depending on operation and selected motors the resulting capacity might be not large
enough for proper supply buffering. Note: upper supply voltage limit must not be
exceeded – not even for a short period of time! In this context it should be taken into
account that the module will transfer energy from the motor back into the supply rail
when the motor is working as generator e.g. during deceleration or brake conditions.
In case the power supply capacitors are not sufficient for limiting power supply rising,
additional measures have to be considered (e.g. suppressor diodes, brake resistor).
Refer to chapter 3.3.1 for further information about adding electrolytic capacitors.
Do not connect or disconnect motor during operation!
Motor cable and motor inductivity might lead to voltage spikes when the motor is
disconnected / connected while energized. These voltage spikes might exceed voltage
limits of the driver MOSFETs and might permanently damage them. Therefore, always
disconnect power supply before connecting / disconnecting the motor.
Keep the power supply voltage below the upper limit of 52.5V!
Otherwise the driver electronics will seriously be damaged! Especially, when the
selected operating voltage is near the upper limit a regulated power supply is highly
recommended.
There is no reverse polarity protection! The module will short any reversed supply
voltage due to internal diodes of the driver transistors.
3.3.1 Adding an Electrolytic Capacitor
TRINAMIC recommends connecting an electrolytic capacitor of significant size to the power supply lines
next to the TMCM-1311. As rule of thumb, around 1000µF of capacity should be added for 1A of module
power supply input current.
The additional electrolytic capacitor
serves for power stabilization (buffer) and filtering.
reduces voltage spikes, which can occur in consequence of the combination of high inductance
power supply wires and ceramic capacitors.
limits the slew rate of the power supply voltage at the module. This is reasonable, because the low
ESR (Equivalent Series Resistance) of ceramic-only filter capacitors may cause stability problems with
some switching power supplies.
VDRIVER
Power
connector
TMC262 + MOSFETs
(stepper driver)
48VDC
250A
SMBJ48A
4 x 10µF
SK36
GND
GND
GND
Supply of other circuits
via on-board regulators
VDIGITAL
48VDC
250A
SMBJ48A
GND
GND
Figure 3.2 TMCM-1310 power supply concept
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1µF
GND
VDIGITAL on I/O connector 0 + 1
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
15
3.4 Communication
3.4.1 USB
For remote control and communication with a host system the TMCM-1310 provides a USB 2.0 full-speed
(12Mbit/s) interface. As soon as the USB-host is connected the module accepts commands via the USB
interface. The TMCM-1310 supports USB self powered operation with external power supply via the power
supply connector and USB bus powered operation without this external power supply.
USB BUS POWERED OPERATION
During USB bus powered operation only the core digital circuit parts - microcontroller and EEPROM - are
operational. Motor movements are not possible. This mode has been implemented in order to enable
configuration, parameter setting, read-out, firmware updates, etc. by connecting an USB cable between
the module and an USB-host. No additional cabling or external devices (e.g. power supply) are required.
Please note that the module might draw current from the USB +5V bus supply even in USB self powered
operation. This depends on the voltage level of this supply.
3.5 Inputs and Outputs
3.5.1 Encoder Input
The encoder connector offers support either for connection of an incremental encoder with A/B signals
and an optional N/I-channel or for connection of an absolute position encoder with SSI interface.
Encoders with +5V TTL, open-collector or differential output signals can be connected directly. A +5V
output - available at one connector pin - can be used for the encoder circuit supply. The on-board +5V
switching voltage regulator has been designed to provide a maximum of 100mA for external circuits. This
100mA supply is intended for the operation of an external encoder and for the reference switch circuit,
also.
Termination
jumper
A+
(CS+)
A-
(CS-)
B+
DATA+
B-
DATA-
N+
CLOCK+
N-
CLOCK-
microcontroller
120R
120R
120R
470R
470R
A/B/N encoder SSI encoder
configuration configuration
470R
+5V
microcontroller
microcontroller
microcontroller
3k3
47k
47k
47k
+5V
microcontroller
3k3
GND
Figure 3.3 Encoder input circuit (simplified diagram)
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
16
3.5.2 Reference Switch Inputs
The reference switch connector provides two reference/limit switch inputs, REF_L and REF_R. Both inputs
offer the same input circuit including voltage resistor dividers, limiting diodes against over- and undervoltage, and programmable 1k pull-ups to +5V. The programmable pull-ups can be switched on or off in
software (both together).
+5V
1k
REF_L
REF_R
+3.3V
10k
microcontroller
22k
1nF
GND
GND
GND
Figure 3.4 Reference switch input circuit (simplified diagram)
3.5.3 General Purpose Inputs
The TMCM-1310 has two I/O connectors with 8 inputs altogether including two dedicated analog inputs.
All inputs offer the same basic input protection circuit, but digital and analog inputs have different input
voltages: the digital inputs have been designed for +5V and +24V signal levels. The analog inputs have
different input voltage dividers in order to support a full scale input voltage range of 0… +10V.
IN_1
IN_2
IN_3
IN_5
IN_6
IN_7
+3.3V
10k
microcontroller
22k
1nF
GND
GND
GND
Figure 3.5 General purpose digital input circuit
AIN_0
AIN_4
+3.3V
22k
microcontroller
10k
1nF
GND
GND
GND
Figure 3.6 General purpose analog input circuit
The function of the inputs might differ depending on the firmware version.
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
17
3.5.4 General Purpose Outputs
The TMCM-1310 offers two I/O connectors with 8 outputs altogether. All outputs are open-drain outputs
and a freewheeling diode (to VDIGTAL) is already integrated. Six outputs are designed for currents up to
100mA and two outputs offer more powerful MOSFET driver transistors supporting currents up to 1A.
If the VCC connection of the I/O connectors (connected internally to VDIGITAL) is used for the supply of
substantial current to any external circuit, make sure to connect VDIGTIAL to VDRIVER of the power supply
connector.
VDIGITAL
OUT_0
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
microcontroller
GND
Figure 3.7 General purpose output (open-drain with freewheeling diode)
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TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
18
4 On-Board LEDs
The TMCM-1310 offers four LEDs for indicating EtherCAT communication and board status. The three green
LEDs are related to the EtherCAT interface and indicate EtherCAT LINK IN and LINK OUT activity plus the
status of the EtherCAT state machine. The function of the red LED is depends on the firmware version.
With standard TMCL firmware the red Error-LED should be flashing slowly during operation. When there
is no valid firmware programmed into the board or during firmware update the red LED will be
permanently on.
LINK IN, LINK OUT, AND STATUS OF ETHERCAT STATE MACHINE
Green LED
EtherCAT
LINK OUT state
EtherCAT
LINK IN state
EtherCAT
RUN state
Description
OFF
blinking
single flash
OFF
blinking
single flash
OFF
blinking
single flash
ON
flickering (fast)
Table 4.1 On-board EtherCAT LEDs
Error
EtherCAT™ RUN state
EtherCAT™ LINK OUT state
EtherCAT™ LINK IN state
Figure 4.1 On-board LEDs
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No link.
Link and activity.
Link without activity.
No link.
Link and activity.
Link without activity.
The device is in state
The device is in state
The device is in state
The device is in state
The device is in state
INIT.
PRE-OPERATIONAL.
SAFE-OPERATONAL.
OPERATIONAL.
BOOTSTRAP.
TMCM-1310 V1.2 Hardware Manual (Rev. 1.12 / 2013-JUL-05)
19
5 Operational Ratings
The operational ratings show the intended or the characteristic ranges and should be used as design
values. In no case shall the maximum values be exceeded.
Symbol
VDRIVER
VDIGITAL
VUSB
IUSB
ICOIL
IMC
IS
Parameter
Power supply voltage for driver
Separate power supply voltage for controller
(option, can be left unconnected)
Power supply via USB connector
Current withdrawn from USB supply when
USB bus powered (no other supply connected)
Motor coil current for sine wave peak
(chopper regulated, adjustable via software)
Continuous motor current (RMS)
Power supply current
Min
10
VDRIVER
Typ
12..24..48
Max
52.5
5
85
0
0
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