Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Model/Part Number | 6ES7231-0HC22-0XA8 |
| Description | SIMATIC S7-200 Analog Input EM 231 Module |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 6ES7231-0HC22-0XA8 |
| Product Name | EM 231 Analog Input Module |
| Application | Analog signal acquisition for S7-200 series PLCs in industrial automation and process control |
| Compatibility | Only for S7-22X CPUs; integrates with SIMATIC S7-200 PLC systems |
| Function | Provides 4 analog inputs for precise measurement of voltage signals from sensors and transmitters |
Functional Specifications
| Parameter | Details |
|---|---|
| Input Channels | 4 analog inputs |
| Input Type | 0-10 V DC |
| Input Voltage Range | 0 to 10 V DC |
| Resolution | 12-bit |
| Accuracy | ±0.5% of full scale |
| Update Rate | Synchronized with CPU scan cycle |
| Isolation | 500 V AC (input to logic) |
| Cable Length | Up to 500 m (unshielded twisted pair) |
| Power Supply | 5 V DC from PLC backplane |
| Power Consumption | 40 mA at 5 V DC |
| Operating Temperature Range | 0 to 60°C |
| Dimensions | 80 mm x 40 mm x 21 mm (H x W x D) |
| Weight | 0.05 kg |
| Mounting | Snap-on to S7-200 rail |
| Protection Rating | IP20 |
| Standards Compliance | IEC 61131-2, CE, UL, CSA |