| Product Series | SIMATIC S7-200 CN |
|---|---|
| Order Number | 6ES7231-7PB22-0XA8 |
| Module Type | EM 231 Analog Input Module (RTD) |
| Product Status | Spare Part (Discontinued) |
| Input Channels | 2 AI (Analog Inputs) |
| Pt Series | Pt100, Pt200, Pt500, Pt1000, Pt10000 |
|---|---|
| NI Series | NI100, NI120, NI1000 |
| Copper Series | CU10 |
| Resistance Range | 150 Ω, 300 Ω, 600 Ω |
| Resolution | 15 bit + sign (16 bit total with overrange) |
|---|---|
| Temperature Resolution | 0.1°C / 0.1°F |
| Conversion Time | Per channel (typical), 250 ms |
| Power Consumption | 1.8 W |
| Current Consumption from CPU 24V DC | 87 mA (max) |
| Current Consumption from Sensor Power | 60 mA (max) |
| Isolation | Channel-to-channel: No isolation; Channels to logic: Optically isolated (500 V AC) |
| Sensor Connection | 2-wire, 3-wire, or 4-wire (configurable) |
| Common Mode Rejection Ratio (CMRR) | >80 dB at 50/60 Hz |
| Dimensions (W x H x D) | 71.2 mm x 80 mm x 62 mm |
|---|---|
| Net Weight | 210 g (0.46 lb) |
| Mounting Type | Rail mounting (DIN rail 35 mm) |
| Operating Temperature Range | 0°C to 55°C (32°F to 131°F) |
|---|---|
| Storage Temperature Range | -25°C to 70°C (-13°F to 158°F) |
| Relative Humidity (non-condensing) | 5% to 95% (25°C) |
| Vibration Resistance | 5-150 Hz, 0.075 mm amplitude |
| Shock Resistance | 15 g acceleration (11 ms duration) |
| Standards Compliance | CE Mark, UL Certification, CSA Certification |
|---|---|
| Safety Rating | Complies with EN 61010-1 |