Product Overview
Technical Summary
| Product type | SIMATIC S7-200 EM 231 analog input module |
|---|---|
| Analog inputs | 8; Difference |
| Voltage input | 0 to 10 V; Yes |
| Current input | 0 to 20 mA; Yes, for channels 6 and 7 only |
| Resolution with overrange | 12 bit, including sign |
| Conversion time per channel | 250 μs |
| Product lifecycle | Start of final year of support |
Key Features
Analog input capacity
8 differential analog inputs.
Voltage input
Supports 0 to 10 V, 0 to +5 V, -2.5 V to +2.5 V, and -5 V to +5 V ranges.
Current input limitation
Supports 0 to 20 mA for channels 6 and 7 only.
Conversion resolution
Maximum resolution with overrange is 12 bit, including sign.
S7-200 configuration
For S7-22X CPU only; supplied as a spare part.
Frequently Asked Questions
What is the exact Siemens line item?
The exact line item is 6ES7231-0HF22-0XA0, a SIMATIC S7-200 EM 231 analog input module.
How many analog inputs does 6ES7231-0HF22-0XA0 have?
It has 8 differential analog inputs.
Which current input channels support 0 to 20 mA?
0 to 20 mA current input is supported for channels 6 and 7 only.
What configuration detail should be included in a quotation request?
Include the requested quantity, destination, schedule context, and any additional BOM lines.
