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SM 1231 AI4 x 16 Bits

Analog input module AI 4 x 16 bits Power Consumption 2W

Model no

SM 1231 AI 4x16 bits

Article No

H7 231-5ND32-0XB0


Analog input module AI 4 x 16 bits

Dimensions WxHxD(mm)


Product parameters Wiring diagram Relevant information
Specification parameters Model no

SM 1231 AI4 x 16 Bits

Article No H7 231-5ND32-0XB0
Description Analog input module AI4 x 16 bits
Conventional norm

Dimensions WxHxD(mm)

Power Consumption 2W
Current Consumption(SM bus) 80mA
Current Consumption(24V DC) 65mA
Analog input Number of Inputs 4
Input type Voltage or current (differential) 
Input range ±10 V、±5 V、±2.5 V、±1.25 V、0 - 20 mA or 4 mA - 20 mA
Full scale range(Data word) -27648-27648 
Overshoot/undershoot range(Data word)

Voltage: 32,511-27,649/-27,649 - -32,512
Current 0-20mA: 32,511-27,649/0 - -4,864;
 4-20mA: 32511-27,649/-1 - -4,864

Overflow/Underflow (Data Word)

Voltage: 32,767-32,512/-32,513 - -32,768
Current 0-20mA: 32,767-32,512/-4,865 - -32,768
 4-20mA: 32,767-32,512/-4,865 - -32,768

Data format 15 bits + signal bits
Max. Voltage/Current Resistance ±60V/±40mA
Smoothness None, weak, medium or strong
Noise suppression 400、60、50 or 10Hz
Isolation(field side and logic side) None
Precision(25℃/0-55℃) full range ±0.1%/±0.3%
Working Signal Range signal plus common mode voltage must be <+12V and >-12V
Diagnosis:Overflow/underflow Support
Circuit Break(Current Mode Only) 4-20 mA range only (if input is below -4,164; 1.0 mA)
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