Data sheet
6ES7138-6BA00-0BA0
SIMATIC ET 200SP, TM Posinput 1 counter and position decoder module
for RS-422 incremental encoder or SSI absolute encoder, 2 DI, 2 DQ
General information
Product type designation
TM PosInput 1
Firmware version
● FW update possible
usable BaseUnits
Yes
BU type A0
Product function
● I&M data
Yes; I&M0 to I&M3
● Isochronous mode
Yes
Engineering with
● STEP 7 TIA Portal configurable/integrated from
version
V13 (FW V1.0), V14 (V1.2), V15 (FW V1.3) / V13 (FW V1.0), V14 SP1
(V1.2)
● STEP 7 configurable/integrated from version
As of V5.5 SP3, only up to FW V1.2
● PROFIBUS from GSD version/GSD revision
GSD Revision 5
● PROFINET from GSD version/GSD revision
GSDML V2.3
Supply voltage
Load voltage L+
● Rated value (DC)
24 V
● permissible range, lower limit (DC)
19.2 V
● permissible range, upper limit (DC)
28.8 V
● Reverse polarity protection
Yes
Input current
Current consumption, max.
75 mA; without load
Encoder supply
Number of outputs
1
24 V encoder supply
● 24 V
Yes; L+ (-0.8 V)
● Short-circuit protection
Yes; electronic/thermal
● Output current, max.
300 mA
Power loss
Power loss, typ.
1.9 W
Address area
Address space per module
● Inputs
16 byte; 4 bytes in Fast mode
● Outputs
12 byte; 4 bytes for Motion Control, 0 bytes for Fast mode
Digital inputs
Number of digital inputs
2
Digital inputs, parameterizable
Yes
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Input characteristic curve in accordance with IEC 61131,
type 3
Yes
Digital input functions, parameterizable
● Gate start/stop
Yes; only for pulse and incremental encoders
● Capture
Yes
● Synchronization
Yes; only for pulse and incremental encoders
● Freely usable digital input
Yes
Input voltage
● Rated value (DC)
24 V
● for signal "0"
-5 ... +5 V
● for signal "1"
+11 to +30V
● permissible voltage at input, min.
-30 V; -5 V continuous, -30 V brief reverse polarity protection
● permissible voltage at input, max.
30 V
Input current
● for signal "1", typ.
2.5 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable
Yes; none / 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20 ms
— at "0" to "1", min.
6 µs; for parameterization "none"
— at "1" to "0", min.
6 µs; for parameterization "none"
for technological functions
— parameterizable
Yes
Cable length
● shielded, max.
1 000 m
● unshielded, max.
600 m
Digital outputs
Type of digital output
Transistor
Number of digital outputs
2
Digital outputs, parameterizable
Yes
Short-circuit protection
Yes; electronic/thermal
● Response threshold, typ.
1A
Limitation of inductive shutdown voltage to
L+ (-33 V)
Controlling a digital input
Yes
Digital output functions, parameterizable
● Switching tripped by comparison values
Yes
● Freely usable digital output
Yes
Switching capacity of the outputs
● with resistive load, max.
0.5 A; Per digital output
● on lamp load, max.
5W
Load resistance range
● lower limit
48 Ω
● upper limit
12 kΩ
Output voltage
● for signal "1", min.
23.2 V; L+ (-0.8 V)
Output current
● for signal "1" rated value
0.5 A; Per digital output
● for signal "1" permissible range, max.
0.6 A; Per digital output
● for signal "1" minimum load current
2 mA
● for signal "0" residual current, max.
0.5 mA
Output delay with resistive load
● "0" to "1", max.
50 µs
● "1" to "0", max.
50 µs
Switching frequency
● with resistive load, max.
10 kHz
● with inductive load, max.
0.5 Hz; Acc. to IEC 60947-5-1, DC-13; observe derating curve
● on lamp load, max.
10 Hz
Total current of the outputs
● Current per module, max.
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Cable length
● shielded, max.
1 000 m
● unshielded, max.
600 m
Encoder
Encoder signals, incremental encoder (symmetrical)
● Input frequency, max.
1 MHz
● Counting frequency, max.
4 MHz; with quadruple evaluation
● Cable length, shielded, max.
32 m; at 1 MHz
● Signal filter, parameterizable
Yes
● Incremental encoder with A/B tracks, 90° phase
offset
Yes
● Incremental encoder with A/B tracks, 90° phase
offset and zero track
Yes
● pulse encoder
Yes
● Pulse encoder with direction
Yes
● pulse encoder with one impulse signal per count
direction
Yes
Encoder signals, incremental encoder (asymmetrical)
● Input voltage
5 V TTL (push-pull encoders only)
● Input frequency, max.
1 MHz
● Counting frequency, max.
4 MHz; with quadruple evaluation
● Signal filter, parameterizable
Yes
● Incremental encoder with A/B tracks, 90° phase
offset
Yes
● Incremental encoder with A/B tracks, 90° phase
offset and zero track
Yes
● pulse encoder
Yes
● pulse encoder with direction
Yes
● pulse encoder with one impulse signal per count
direction
Yes
Encoder signals, absolute encoder (SSI)
● Input signal
to RS-422
● Telegram length, parameterizable
10 ... 40 bit
● Clock frequency, max.
2 MHz; 125 kHz, 250 kHz, 500 kHz, 1 MHz, 1.5 MHz or 2 MHz
● Binary code
Yes
● Gray code
Yes
● Cable length, shielded, max.
320 m; Cable length, RS-422 SSI absolute encoders, Siemens type
6FX2001-5, 24 V supply: 125 kHz, 320 meters shielded, max.; 250 kHz,
160 meters shielded, max.; 500 kHz, 60 meters shielded, max.; 1 MHz,
20 meters shielded, max. 1.5 MHz, 10 meters shielded, max.; 2 MHz, 8
meters shielded, max.
● Parity bit, parameterizable
Yes
● Monoflop time
16, 32, 48, 64 µs & automatic
● Multiturn
Yes
● Singleturn
Yes
Interface types
● TTL 5 V
Yes; push-pull encoders only
● RS 422
Yes
Interrupts/diagnostics/status information
Substitute values connectable
Yes; Parameterizable
Alarms
● Diagnostic alarm
Yes
● Hardware interrupt
Yes
Diagnoses
● Monitoring the supply voltage
Yes
● Wire-break
Yes
● Short-circuit
Yes
● A/B transition error at incremental encoder
Yes
● Telegram error at SSI encoder
Yes
● Group error
Yes
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Diagnostics indication LED
● Monitoring of the supply voltage (PWR-LED)
Yes; green PWR LED
● Channel status display
Yes; green LED
● for module diagnostics
Yes; green/red DIAG LED
● Status indicator forward counting (green)
Yes
● Status indicator backward counting (green)
Yes
Integrated Functions
Number of counters
1
Counting frequency (counter) max.
4 MHz; with quadruple evaluation
Fast mode
Yes
Counting functions
● Can be used with TO High_Speed_Counter
Yes; only for pulse and incremental encoders
● Continuous counting
Yes
● Counter response parameterizable
Yes
● Hardware gate via digital input
Yes
● Software gate
Yes
● Event-controlled stop
Yes
● Synchronization via digital input
Yes
● Counting range, parameterizable
Yes
Comparator
— Number of comparators
2
— Direction dependency
Yes
— Can be changed from user program
Yes
Position detection
● Incremental acquisition
Yes
● Absolute acquisition
Yes
● Suitable for S7-1500 Motion Control
Yes
Measuring functions
● Measuring time, parameterizable
Yes
● Dynamic measurement period adjustment
Yes
● Number of thresholds, parameterizable
2
Measuring range
— Frequency measurement, min.
0.04 Hz
— Frequency measurement, max.
4 MHz
— Cycle duration measurement, min.
0.25 µs
— Cycle duration measurement, max.
25 s
Accuracy
— Frequency measurement
100 ppm; depending on measuring interval and signal evaluation
— Cycle duration measurement
100 ppm; depending on measuring interval and signal evaluation
— Velocity measurement
100 ppm; depending on measuring interval and signal evaluation
Potential separation
Potential separation channels
● between the channels and backplane bus
Yes
Isolation
Isolation tested with
707 V DC (type test)
Standards, approvals, certificates
Suitable for safety functions
No
Ambient conditions
Ambient temperature during operation
● horizontal installation, min.
-30 °C
● horizontal installation, max.
60 °C; Observe derating
● vertical installation, min.
-30 °C
● vertical installation, max.
50 °C; Observe derating
Altitude during operation relating to sea level
● Installation altitude above sea level, max.
2 000 m; On request: Installation altitudes greater than 2 000 m
Decentralized operation
to SIMATIC S7-300
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© Copyright Siemens
to SIMATIC S7-400
Yes
to SIMATIC S7-1200
Yes
to SIMATIC S7-1500
Yes
to standard PROFIBUS master
Yes
to standard PROFINET controller
Yes
Dimensions
Width
15 mm
Height
73 mm
Depth
58 mm
Weights
Weight, approx.
45 g
last modified:
1/16/2021
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1.19.2021
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© Copyright Siemens