Product information
Overview
Key Features
- 8 differential analog inputs: The module has 8 differential analog inputs.
- Voltage input ranges: Supported rated voltage ranges include 0 to +5 V, 0 to +10 V, -2.5 V to +2.5 V, and -5 V to +5 V.
- Restricted current input: The 0 to 20 mA rated current range is supported for channels 6 and 7 only.
- Input protection limits: The permissible input voltage destruction limit is max. 30 V, and the permissible input current destruction limit is max. 40 mA.
- Electrical requirements: Input current is max. 60 mA from load voltage L+ without load and max. 20 mA from the backplane bus 5 V DC. Power loss is typ. 2 W.
- Module dimensions and weight: Dimensions are 71.2 mm width, 80 mm height, and 62 mm depth. Weight is approx. 190 g.
Technical Summary
| Product type | SIMATIC S7-200 EM 231 analog input module |
|---|---|
| CPU restriction | Only for S7-22X CPU |
| Analog inputs | 8; Difference |
| Voltage input | 0 to +5 V; 0 to +10 V; -2.5 V to +2.5 V; -5 V to +5 V |
| Current input | 0 to 20 mA; for channels 6 and 7 only |
| Voltage input destruction limit | Max. 30 V |
| Current input destruction limit | Max. 40 mA |
| Input current from load voltage L+ | Max. 60 mA; without load |
| Input current from backplane bus | Max. 20 mA; 5 V DC |
| Power loss | Typ. 2 W |
Frequently Asked Questions
What is Siemens 6ES7231-0HF22-0XA0?
It is a SIMATIC S7-200 EM 231 analog input module with 8 differential analog inputs, only for S7-22X CPU.
Which input signals does this module support?
It supports the rated voltage ranges 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 current range is supported for channels 6 and 7 only.
What are the module dimensions?
The dimensions are 71.2 mm width, 80 mm height, and 62 mm depth.
What information should I provide for a quotation?
Provide the required quantity, destination, and project or parts-list context for model-specific quotation support.
