Siemens SIMATIC S7-1200

Technical specifications
A.14 Analog signal boards (SBs)
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1511
A.14
Analog signal boards (SBs)
A.14.1
SB 1231 1 analog input specifications
Note
To use this SB, your CPU firmware must be V2.0 or higher.
Table A- 206 General specifications
Technical data
SB 1231 AI 1 x 12 bit
Article number
6ES7231-4HA30-0XB0
Dimensions W x H x D (mm)
38 x 62 x 21
Weight
35 grams
Power dissipation
0.4 W
Current consumption (SM Bus)
55 mA
Current consumption (24 V DC)
none
Table A- 207 Analog inputs
Technical data
SB 1231 AI 1x12 bit
Number of inputs
1
Type
Voltage or current (differential)
Range
±10 V, ±5 V, ±2.5 or 0 to 20 mA
Resolution
11 bits + sign bit
Full scale range (data word)
-27648 to 27648
Over/Under range (data word) Voltage: 32511 to 27649 / -27649 to -32512
Current: 32511 to 27649 / 0 to -4864
(Refer to Analog input representation for voltage and Analog input
representation for current (Page 1516).)
Overflow/Underflow (data word) Voltage: 32767 to 32512 / -32513 to -32768
Current: 32767 to 32512 / -4865 to -32768
(Refer to Analog input representation for voltage and Analog input
representation for current (Page 1516).)
Maximum withstand voltage / current
±35 V / ±40 mA
Smoothing None, weak, medium, or strong (refer to Analog input response
times for step response time (Page 1516).)
Noise rejection 400, 60, 50, or 10 Hz (refer to Analog input response times for
sample rates (Page 1516).)
Accuracy (25 °C / -20 to 60 °C)
±0.3% / ±0.6% of full scale