Product Description
Key Features
- Exact product identity: SIMATIC S7-200 analog input EM 231, order number 6ES7231-0HF22-0XA0, only for S7-22X CPU.
- Analog input capacity: 8 differential analog inputs.
- Voltage input ranges: 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 limitation: Supports 0 to 20 mA for channels 6 and 7 only; input resistance is 10 MΩ.
- Conversion and protection limits: Resolution with overrange is 12 bit; permissible input voltage destruction limit is 30 V and permissible input current destruction limit is 40 mA.
- Lifecycle data: Product lifecycle: Start of final year of support.
Technical Summary
| Product identity | 6ES7231-0HF22-0XA0; SIMATIC S7-200 analog input EM 231; only for S7-22X CPU |
|---|---|
| Analog input capacity | 8; Difference |
| Supported voltage ranges | 0 to +5 V; 0 to +10 V; -2.5 V to +2.5 V; -5 V to +5 V |
| Supported current range | 0 to 20 mA; for channels 6 and 7 only |
| Oversampling time resolution, max. | 12 bit |
| Conversion time per channel | 250 μs |
| Input resistance | 10 MΩ for listed voltage ranges and 0 to 20 mA |
| Input voltage destruction limit, max. | 30 V |
| Input current destruction limit, max. | 40 mA |
| Power loss, typ. | 2 W |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
How can I verify the Siemens 6ES7231-0HF22-0XA0 module?
Confirm the complete order number 6ES7231-0HF22-0XA0 and the SIMATIC S7-200 EM 231 identity for S7-22X CPU.
How many analog inputs does the module have?
It has 8 differential analog inputs.
Which current input configuration is supported?
0 to 20 mA is supported for channels 6 and 7 only.
Does it support thermocouple or resistance inputs?
No. Thermocouple, resistance thermometer, and resistance input ranges are not supported.
What lifecycle information is supplied for this part?
The product lifecycle is Start of final year of support.
