Siemens SIMATIC S7-1200

Technical specifications
A.10 Analog signal modules (SMs)
S7-1200 Programmable controller
1466 System Manual, V4.2, 09/2016, A5E02486680-AK
Table A- 150 Connector pin locations for SM 1232 AQ 4 x 14 bit (6ES7232-4HD32-0XB0)
Pin
X10 (gold)
X11 (gold)
X12 (gold)
X13 (gold)
1
L+ / 24 V DC
No connection
No connection
No connection
2 M / 24 V DC No connection No connection No connection
3
Functional Earth
No connection
No connection
No connection
4 No connection No connection AQ 0M AQ 2M
5
No connection
No connection
AQ 0
AQ 2
6
No connection
No connection
AQ 1M
AQ 3M
7
No connection
No connection
AQ 1
AIQ 3
A.10.3
SM 1234 analog input/output module specifications
Table A- 151 General specifications
Technical data
SM 1234 AI 4 x 13 bit / AQ 2 x 14 bit
Article number
6ES7234-4HE32-0XB0
Dimensions W x H x D (mm)
45 x 100 x 75
Weight
220 grams
Power dissipation
2.4 W
Current consumption (SM Bus)
80 mA
Current consumption (24 V DC)
60 mA (no load)
Table A- 152 Analog inputs
Model
SM 1234 AI 4 x 13 bit / AQ 2 x 14 bit
Number of inputs
4
Type
Voltage or Current (differential): Selectable in groups of 2
Range
±10 V, ±5 V, ±2.5 V, 0 to 20 mA, or 4 mA to 20 mA
Full scale range (data word)
-27648 to 27648
Overshoot/undershoot range
(data word)
Voltage: 32511 to 27649 / -27649 to -32512
Current: 32511 to 27649 / 0 to -4864
Refer to the section on input ranges for voltage and current (Page 1471).
Overflow/underflow (data word) Voltage: 32767 to 32512 / -32513 to -32768
Current: 32767 to 32512 / -4865 to -32768
Refer to the section on input ranges for voltage and current (Page 1471).
Resolution
12 bits + sign bit
Maximum withstand voltage/current
±35 V / ±40 mA
Smoothing None, weak, medium, or strong
Refer to the section on step response times (Page 1470).
Noise rejection 400, 60, 50, or 10 Hz
Refer to the section on sample rates (Page 1470).
Input impedance
≥ 9 MΩ (voltage) / 280 Ω (current)