Model Number: SM1234 AI4 x 13 Bits & AQ2 x 14 Bits
Article Number: H7 234-4HE32-0XB0
Description: Analog input & output module with 4 analog inputs and 2 analog outputs. It supports 13-bit resolution for inputs and 14-bit resolution for outputs.
Dimensions (WxHxD): 45 x 100 x 75 mm
Power Consumption: 2W
Current Consumption (SM bus): 80 mA
Current Consumption (24V DC): 60 mA (no load)
Analog Inputs (AI4):
Number of Inputs: 4
Input Type: Voltage or current (differential) — 2 can be selected as a group.
Input Range:
Voltage: ±10 V, ±5 V, ±2.5 V
Current: 0-20 mA or 4-20 mA
Full-Scale Range (Data Word): -27,648 to 27,648
Overshoot/Undershoot Range (Data Word):
Voltage: 32,511 to 27,649 / -27,649 to -32,512
Current: 32,511 to 27,649 / 0 to -4,864
Overflow/Underflow (Data Word):
Voltage: 32,767 to 32,512 / -32,513 to -32,768
Current: 32,767 to 32,512 / -4,865 to -32,768
Resolution: 12 bits + signal bits
Max Voltage/Current Resistance:
Voltage: ±60 V
Current: ±40 mA
Precision (25°C / 0-55°C): Full range ±0.1% / ±0.2%
Analog to Digital Conversion Time: 625 μs (400 Hz inhibited)
Working Signal Range: Common mode voltage must be between -12V and +12V.
Common Mode Rejection: 40 dB, DC to 60 Hz
Analog Outputs (AQ2):
Number of Outputs: 2
Output Type: Voltage or current
Output Range:
Voltage: ±10 V
Current: 0-20 mA or 4-20 mA
Data Word Format:
Voltage: -27,648 to 27,648
Current: 0 to 27,648
Resolution:
Voltage mode: 14 bits
Current mode: 13 bits
Max Operating Resistance: ±60 V
Isolation (Field Side and Logic Side): 500 VAC
Precision (25°C / 0-55°C): Full range ±0.3% / ±0.6%
