| Part Number: | UE20 | - | 4 | TC |
|---|---|---|---|---|
| Explanation: |
Platform UE20 - UE20 I/O platform |
Inputs 4 - 4 input channels; fixed for this model |
Function TC - Thermocouple input; this breakdown covers UE20-4TC only |
The UE20-4TC accepts four two-wire thermocouple inputs and transfers eight bytes of process data. It provides 16-bit resolution with 0.1°C increments, internal or external cold junction compensation, magnetic isolation and fault diagnostics.
| Characteristic | UE20-4TC |
|---|---|
| Sensor category | Thermocouple |
| Sensor types | K, J, T, E, N, S, R, B and C |
| Channels | 4 |
| Process data | 8 bytes |
| Sensor connection | Two-wire |
| Cold junction compensation | Internal and external; accuracy ≤3K |
| Resolution | 16 bits; 0.1°C per count |
| Precision | ±0.5% |
| Temperature coefficient | ≤50ppm/K |
| Module measuring range | -100°C to +2320°C |
| Interference suppression frequencies | 10Hz, 50Hz, 60Hz and 400Hz |
| Reverse protection | Supported |
| Isolation | Magnetic isolation |
| Fault diagnostics | Supported |
| Diagnostic conditions | Sensor disconnection and parameter assignment errors |
The module measuring range is an overall limit. Select the thermocouple type and sensor for the required temperature range; individual sensor types do not all cover the full module range.
| Characteristic | Specification |
|---|---|
| Operating voltage | 24V DC, +20%/-15% |
| System feed current | <70mA |
| Connection method | Spring terminal blocks |
| Conductor cross-section | 0.2-2.5mm² |
| AWG conductor range | AWG28-AWG14 |
| Stripping length | 8-9mm |
| Characteristic | Specification |
|---|---|
| Height × width × depth | 100mm × 12mm × 68mm |
| Mounting | 35mm DIN rail |
| Ingress protection | IP20 |
| Operating temperature | -10°C to +55°C |
| Storage temperature | -20°C to +85°C |
| Relative humidity | 5-95%RH, non-condensing |
