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SM1231 AI8 x 16 Bits RTD H7 1200 PLC

Analog input module AI8 x RTD Temperature Module

Model no

SM 1231 AI 8x16bits RTD

Article No

H7 231-5PF32-0XB0


Analog input module AI8 x RTD

Dimensions WxHxD(mm)

Product parameters Wiring diagram Relevant information
Specification parameters Model no. SM1231  AI8 x 16 Bits RTD
Article No. H7 231-5PF32-0XB0
Description Analog input module AI8 x RTD

Conventional norm Dimensions WxHxD(mm) 70x100x75mm
Power Consumption 1.5W
Current Consumption(SM bus) 90mA
Current Consumption(24V DC) 40mA

Analog input Number of Inputs 8
Input type RTD and Resistance
Type Platinum (Pt), copper (Cu), 
nickel (Ni), LG-Ni or resistance
.Temperature 0.1 ºC/0.1 ºf
.Resistance 15 bits + signal bits
Voltage Resistance Max. ±60V
Isolation 500 V AC
Noise suppression 85 dB,10 Hz/50 Hz/60 Hz/400 Hz 
Channel to channel Isolation None
Common-mode rejection  > 120 dB
Repeatability ±0.05 % FS
The cold end temperature error
Cable resistance 20 Ω, 2.7 Ω, for 10 pcs Ω RTD
Diagnosis: Overflow/underflow Support
Circuit Break Support
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