Sm 1231 Rtd - Siemens S7-1200 System Manual

A.9.2

SM 1231 RTD

SM 1231 RTD specifications
Table A- 172 General specifications
Technical data
Order number
Dimensions W x H x D (mm)
Weight
Power dissipation
Current consumption (SM Bus)
Current consumption (24 VDC)
20.4 to 28.8 VDC (Class 2, Limited Power, or sensor power from CPU)
1
Table A- 173 Analog inputs
Technical data
Number of inputs
Type
Range
Nominal range (data word)
Overshoot/undershoot range
(data word)
Overflow/underflow (data word)
Resolution Temperature
Resistance
Maximum withstand voltage
Noise rejection
Common mode rejection
Impedance
Isolation Field side to logic
Field to 2 VDC
24 VDC to logic
Channel to channel isolation
Accuracy
Repeatability
Maximum sensor dissipation
Measuring principle
Module update time
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
SM 1231 AI 4 x RTD x 16 bit
6ES7 231-5PD32-0XB0
45 x 100 x 75
220 grams
1.5 W
80 mA
40 mA
1
SM 1231 AI 4 x RTD x 16 bit
4
Module referenced RTD and Ω
See RTD Sensor selection table
(Page 928).
0.1 °C/0.1 °F
15 bits plus sign
± 35 V
85 dB for the selected noise reduction
(10 Hz, 50 Hz, 60 Hz or 400 Hz)
> 120dB
≥ 10 MΩ
500 VAC
500 VAC
500 VAC
none
See RTD Sensor selection table
(Page 928).
±0.05% FS
0.5 m W
Integrating
See Noise reduction selection table
(Page 928).
A.9 Thermocouple and RTD signal modules (SMs)
SM 1231 AI 8 x RTD x 16 bit
6ES7 231-5PF32-0XB0
70 x 100 x 75
270 grams
1.5 W
90 mA
40 mA
SM 1231 AI 8 x RTD x16 bit
8
Module referenced RTD and Ω
See RTD Sensor selection table
(Page 928).
0.1 °C/0.1 °F
15 bits plus sign
± 35 V
85 dB for the selected noise reduction
(10 Hz, 50 Hz, 60 Hz or 400 Hz)
> 120dB
≥ 10 MΩ
500 VAC
500 VAC
500 VAC
none
See RTD Sensor selection table
(Page 928).
±0.05% FS
0.5 m W
Integrating
See Noise reduction selection table
(Page 928).
Technical specifications
925