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Product information
SIMATIC S7-1200 SM 1231 analog input module, part number 6ES7231-4HF32-0XB0, offers 8 AI with configurable input ranges of +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA.
Detailed Parameters
Product family:SIMATIC S7-1200
Module:SM 1231
Module function:Analog input
Channel count:8 AI
Input ranges:+/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA
Resolution:12 bit+sign or (13 bit ADC)
Engineering Context
SM 1231 is an analog input module for SIMATIC S7-1200 with 8 AI channels.
The module supports selectable analog input ranges including voltage (+/-10 V, +/-5 V, +/-2.5 V) and current (0-20 mA/4-20 mA).
Analog-to-digital conversion is specified as 12 bit+sign or (13 bit ADC).
FAQ
1. What module family and designation is 6ES7231-4HF32-0XB0?
6ES7231-4HF32-0XB0 is SIMATIC S7-1200 SM 1231.
2. How many analog input channels does SM 1231 provide?
It provides 8 AI.
3. Which analog input signals and ranges are supported?
+/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA.
4. What ADC resolution is specified for SM 1231?
12 bit+sign or (13 bit ADC).
