This is the user manual of TE-RTD12 relay device, which introduces the features, parameters, fault handling and other contents of the device.
The TE-RTD12 Relay Device from Motortronics adds RTD temperature and differential current monitoring to motor systems. It features 12 RTD inputs, 3 programmable relays, 2 isolated 4-20mA inputs, and an RS485 port for MODBUS RTU communication. The device includes a keypad for programming and status indicators for alarms and trips. It is designed for mounting on a back panel and operates on 110-240Vac.
| Control Voltage | 110 - 240Vac Nominal 50/60Hz |
|---|---|
| Inputs | 12 RTD inputs (Pt100, Ni100, Ni120, Cu10), 3 CT inputs for differential CT’s, 2 isolated 4-20mA inputs, 3 isolated Digital Inputs |
| Outputs | 3 programmable form C Relays with 5A contact rating pilot duty, One isolated 4-20mA output |
| Communication Port | 2 Wire RS485 |
| Protocol | MODBUS RTU |
| Operating Temperature | 32ºF – 122ºF / 0ºC to 50ºC |
| Storage Temperature | -4ºF – 176ºF / -20ºC to 80ºC |
| Humidity | 10% to 90% (non-condensing) |
It has 12 RTD inputs supporting Pt100, Ni100, Ni120, and Cu10 sensors.
It uses MODBUS RTU over a 2-wire RS485 port.
The operating temperature range is 32ºF to 122ºF (0ºC to 50ºC).