Technical specifications
A.12 Analog signal boards (SBs)
A.12
Analog signal boards (SBs)
A.12.1
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
Order number
Dimensions W x H x D (mm)
Weight
Power dissipation
Current consumption (SM Bus)
Current consumption (24 VDC)
Table A- 207 Analog inputs
Technical data
Number of inputs
Type
Range
Resolution
Full scale range (data word)
Over/Under range (data word)
Overflow/Underflow (data word)
Maximum withstand voltage / current
Smoothing
Noise rejection
Accuracy (25 °C / -20 to 60 °C)
946
SB 1231 AI 1 x 12 bit
6ES7 231-4HA30-0XB0
38 x 62 x 21
35 grams
0.4 W
55 mA
none
SB 1231 AI 1x12 bit
1
Voltage or current (differential)
±10 V, ±5 V, ±2.5 or 0 to 20 mA
11 bits + sign bit
-27648 to 27648
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.)
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.)
±35 V / ±40 mA
None, weak, medium, or strong (refer to Analog input response
times for step response time.)
400, 60, 50, or 10 Hz (refer to Analog input response times for
sample rates.)
±0.3% / ±0.6% of full scale
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG