Data sheet
6ES7234-4HE32-0XB0
SIMATIC S7-1200, ANALOG I/O SM 1234, 4 AI / 2 AO, +/-10V, 14
BIT RESOLUTION OR 0(4) - 20 MA, 13 BIT RESOLUTION
Supply voltage
Rated value (DC)
● 24 V DC
Yes
Input current
Current consumption, typ.
60 mA
from backplane bus 5 V DC, typ.
80 mA
Power loss
Power loss, typ.
2 W
Analog inputs
Number of analog inputs
4; Current or voltage differential inputs
permissible input voltage for current input
(destruction limit), max.
± 35 V
permissible input voltage for voltage input
(destruction limit), max.
35 V
permissible input current for voltage input
(destruction limit), max.
40 mA
permissible input current for current input (destruction
limit), max.
40 mA
6ES7234-4HE32-0XB0
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Changes preserved
© Copyright Siemens AG
Cycle time (all channels) max.
625 µs
Input ranges
● Voltage
Yes; ±10V, ±5V, ±2.5V
● Current
Yes; 4 to 20 mA, 0 to 20 mA
Input ranges (rated values), voltages
● -10 V to +10 V
Yes
● Input resistance (-10 V to +10 V)
≥9 MOhm
● -2.5 V to +2.5 V
Yes
● Input resistance (-2.5 V to +2.5 V)
≥9 MOhm
● -5 V to +5 V
Yes
● Input resistance (-5 V to +5 V)
≥9 MOhm
Input ranges (rated values), currents
● 0 to 20 mA
Yes
● Input resistance (0 to 20 mA)
280 Ω
● 4 mA to 20 mA
Yes
Analog outputs
Number of analog outputs
2; Current or voltage
Output ranges, voltage
● -10 V to +10 V
Yes
Output ranges, current
● 0 to 20 mA
Yes
● 4 mA to 20 mA
Yes
Load impedance (in rated range of output)
● with voltage outputs, min.
1 000 Ω
● with current outputs, max.
600 Ω
Analog value generation
Measurement principle
Differential
Integration and conversion time/resolution per channel
● Resolution (incl. overrange)
Voltage: 14 bits; Current : 13 bits
● Integration time, parameterizable
Yes
● Interference voltage suppression for
interference frequency f1 in Hz
40 dB, DC to 60 V for interference frequency 50 / 60 Hz
Smoothing of measured values
● parameterizable
Yes
● Step: None
Yes
● Step: low
Yes
● Step: Medium
Yes
● Step: High
Yes
Errors/accuracies
Temperature error (relative to input range), (+/-)
25 °C ±0.1%, to 55 °C ±0.2% total measurement range
Temperature error (relative to output range), (+/-)
25 °C ±0.3%, to 55 °C ±0.6% total measurement range
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© Copyright Siemens AG
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input area, (+/-)
0.1 %
● Current, relative to input area, (+/-)
0.1 %
● Voltage, relative to output area, (+/-)
0.3 %
● Current, relative to output area, (+/-)
0.3 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Common mode voltage, max.
12 V
Interrupts/diagnostics/status information
Alarms
Yes
Diagnostic functions
Yes
Alarms
● Diagnostic alarm
Yes
Diagnostic messages
● Monitoring the supply voltage
Yes
● Wire-break
Yes
● Short-circuit
Yes
Diagnostics indication LED
● for status of the inputs
Yes
● for status of the outputs
Yes
● for maintenance
Yes
Potential separation
Potential separation analog outputs
● between the channels and the power supply of
the electronics
No
Degree and class of protection
Degree of protection acc. to EN 60529
● IP20
Yes
Standards, approvals, certificates
CE mark
Yes
CSA approval
Yes
FM approval
Yes
RCM (formerly C-TICK)
Yes
Marine approval
● Marine approval
Yes
Ambient conditions
Free fall
● Fall height, max.
0.3 m; five times, in dispatch package
Ambient temperature during operation
● permissible temperature range
-20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical
mounting, 95% humidity, non-condensing
● min.
-20 °C
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© Copyright Siemens AG
● max.
60 °C
Ambient temperature during storage/transportation
● min.
-40 °C
● max.
70 °C
Air pressure acc. to IEC 60068-2-13
● Operation, min.
795 hPa
● Operation, max.
1 080 hPa
● Storage/transport, min.
660 hPa
● Storage/transport, max.
1 080 hPa
Relative humidity
● permissible range (without condensation) at 25
°C
95 %
Extended ambient conditions
Pollutant concentrations
— SO2 at RH < 60% without condensation
S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free
Connection method
required front connector
Yes
Mechanics/material
Enclosure material (front)
● Plastic
Yes
Dimensions
Width
45 mm
Height
100 mm
Depth
75 mm
Weights
Weight, approx.
220 g
last modified:
22.01.2016
6ES7234-4HE32-0XB0
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25.01.2016
Changes preserved
© Copyright Siemens AG