Product Overview
Technical Summary
| Product | SIMATIC S7-200 analog input EM 231 |
|---|---|
| Analog inputs | 8; Difference |
| Voltage ranges | 0 to +5 V; 0 to +10 V; -2.5 V to +2.5 V; -5 V to +5 V |
| Current range | 0 to 20 mA; for channels 6 and 7 only |
| Input resistance | 10 MΩ |
| Resolution | 12 bit with overrange, including sign |
| Product lifecycle | Start of final year of support |
Key Features
- Product designation: SIMATIC S7-200 analog input EM 231 spare part.
- Analog inputs: 8 differential analog inputs.
- Voltage input: Supports 0 to +5 V, 0 to +10 V, -2.5 V to +2.5 V, and -5 V to +5 V; input resistance is 10 MΩ for these ranges.
- Current input: Supports 0 to 20 mA for channels 6 and 7 only; input resistance is 10 MΩ.
- Conversion resolution: Maximum resolution with overrange is 12 bit, including sign.
- CPU restriction: Only for S7-22X CPU.
Frequently Asked Questions
What product does Siemens 6ES7231-0HF22-0XA0 identify?
It identifies a SIMATIC S7-200 EM 231 analog input spare part with 8 differential analog inputs.
Which signal ranges distinguish this analog input module?
Voltage ranges are 0 to +5 V, 0 to +10 V, -2.5 V to +2.5 V, and -5 V to +5 V. The 0 to 20 mA range is for channels 6 and 7 only.
What CPU restriction should be checked for 6ES7231-0HF22-0XA0?
The source identifies it as only for S7-22X CPU.
What should be provided for a quotation request?
Provide the complete order number, required quantity, and destination.
