Technical Summary
| Product type designation | SM 1231, AI 4×13 bit |
|---|---|
| Lifecycle | Active Product |
| Number of analog inputs | 4; Current or voltage differential inputs |
| Input ranges, voltage | ±10V, ±5V, ±2.5V |
| Input ranges, current | 4 to 20 mA, 0 to 20 mA |
| Resolution with overrange (bit including sign), max. | 12 bit; + sign |
| Supply voltage, rated value (DC) | 24 V |
| Current consumption, typ. | 45 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Cycle time (all channels) max. | 625 μs |
| IP degree of protection | IP20 |
Applications
For reading voltage or current differential input signals through 4 analog inputs.
For adding analog input channels to a SIMATIC S7-1200 system.
Key Features
SM 1231, AI 4×13 bit.
4 analog inputs with current or voltage differential inputs.
Voltage: ±10V, ±5V, ±2.5V; current: 4 to 20 mA, 0 to 20 mA.
12 bit; + sign.
Rated value (DC): 24 V; current consumption, typ.: 45 mA.
Active Product.
Frequently Asked Questions
What is Siemens 6ES7231-4HD32-0XB0?
It is a SIMATIC S7-1200 SM 1231 analog input module.
How many analog inputs does 6ES7231-4HD32-0XB0 have?
It has 4 analog inputs.
What input ranges are supported by this SM 1231 module?
Voltage inputs support ±10V, ±5V, and ±2.5V. Current inputs support 4 to 20 mA and 0 to 20 mA.
What is the supply voltage for 6ES7231-4HD32-0XB0?
The rated value is 24 V DC.
What is the resolution of this analog input module?
The resolution is 12 bit; + sign.
