Technical Summary
| Product type designation | SM 1231, AI 8×13 bit |
|---|---|
| Lifecycle status | Active Product |
| Number of analog inputs | 8; Current or voltage differential inputs |
| Input ranges, voltage | Yes; ±10V, ±5V, ±2.5V |
| Input ranges, current | Yes; 4 to 20 mA, 0 to 20 mA |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 60 mA |
| from backplane bus 5 V DC, typ. | 90 mA |
| Power loss, typ. | 1.5 W |
| Cycle time (all channels) max. | 625 μs |
| Resolution with overrange (bit including sign), max. | 12 bit; + sign |
| IP degree of protection | IP20 |
Applications
Used for reading current or voltage differential input signals through 8 analog inputs.
Key Features
SM 1231 analog input module for the SIMATIC S7-1200 family.
Provides 8 AI with current or voltage differential inputs.
Supports +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA.
Product type designation: SM 1231, AI 8×13 bit.
Lifecycle status: Active Product.
Packaging dimensions: 10,60 x 8,90 x 5,70 cm; net weight: 0,187 Kg.
Frequently Asked Questions
What is the exact Siemens order number and module type?
6ES7231-4HF32-0XB0 is a SIMATIC S7-1200 SM 1231 analog input module.
How many analog inputs does 6ES7231-4HF32-0XB0 provide?
It provides 8 analog inputs.
What input ranges does the SM 1231 support?
It supports +/-10 V, +/-5 V, +/-2.5 V, 0-20 mA, and 4-20 mA.
What is the supply voltage for this module?
Rated value (DC): 24 V.
What lifecycle status is listed for this order number?
Lifecycle status: Active Product.
