- 8 analog inputs for different signal types
- Measuring and control of different physical values such as temperature, humidity, pressure etc.
- Measured value processing and signal analysis:
- averages
- differences
- rate of change
- 8 channels for controlling or forwarding of measured or calculated values:
- on-off control
- forwarding to analog output as a 4-20 mA signal
- 8 outputs e.g. relays, 4-20 mA
- Alarm function for sensor errors
- Output manual control
- Configuration using the front panel keys
- Integrated RS485 interface with Modbus RTU/ASCII protocol
8 channel on-off controller
The 8 channel on-off controller TRM138 can measure, display and control different physical process values such as temperature, pressure etc. It controls up to eight channels and enables the forwarding of measured data for recording and further processing.
Areas of application:
The TRM138 is used in various fields of industry as e.g. multi-zone oven temperature control, protective and monitoring systems.
Ordering information
| TRM138-H7 | . | X | |
| Output type | |||
| Relay (4 A, 230 V AC / 24 V DC) | R | ||
| Analog output 4-20 mA | I |
Standard modifications
| TRM138.H7.R | 8 Relay outputs (4 A) |
| TRM138.H7.I | 8 Analog outputs (4-20 mA) |
| TRM138.H7.IIIIRRRR | 4 Analog outputs (4-20 mA), 4 Relay outputs (4 A) |
Various types of outputs should be indicated in the order key only in the certain sequence: I -> R
| General | ||
|---|---|---|
| Power supply | 230 (90...264) V AC; 50 (47...63) Hz | |
| Power consumption, max. | 18 VA | |
| Integrated voltage source | 24±3 V DC, 150 mA | |
| Sampling time / input | ≤ 0.6 s | |
| Inputs | ||
| Analog inputs | 8 | |
| Input signal | RTD | |
| TC | ||
| Standard signals | ||
| Outputs | ||
| Optional outputs | 8 | |
| Type | R - Relay | 4 A / 250 V AC 4 A / 30 V DC |
| I - Analog 4-20 mA | 10…30 V, max. 1.3 kohm | |
| Communication | ||
| Interface | RS485 | |
| Protocol | Modbus-RTU / ASCII, akYtec | |
| Baud rate | 2.4...115.2 kBit/s | |
| Environment | ||
| Ambient temperature | +1...+50 °C | |
| Humidity | up to 80% (at +25°C, non-condensing) | |
| IP Code | IP54 front | |
| Enclosure | ||
| Dimensions | 169 x 144 x 50 mm | |
| Weight | approx. 450 g | |
| Material | plastic | |
| Sensor | Measuring range |
|---|---|
| Standart signals | |
| 0-1 V-50…+50 mV0-5 mA0-20 mA4-20 mA | 0…100% |
| RTD according to IEC 60751:2008 | |
| Pt50, Pt100 | -200…+750°C |
| TC according to IEC 60584-1:2013 | |
| J | -200…+1200°C |
| N | -200…+1300°C |
| K | -200…+1300°C |
| S | 0…+1750°C |
| R | 0…+1750°C |
| A | 0…+2500°C |
| RTD according to GOST | |
| 50P, 100P | -200…+750°C |
| 50M, 100M | -190…+200°C |
| Cu50, Cu100 | -50…+200°C |
| TC according to GOST | |
| L | -200…+800°C |
preset CONFIGURATIONS for typical applications
|
8-channel 2 position control
8-channel temperature controller can be used for bread production, in multiband tunnel type furnaces, and other process equipment. |
|
Alarm switch (8 inputs)
Alarm switch can be used in the multi-zone ovens for food, metallurgical and other industries. |
|
4-channel 3 position control
Temperature control and two-stage heating control in technological equipment with up to four heating areas and rapid heat-up: baking ovens, injection molding machines, extruders, etc. |
|
1-channel 2 position control
Temperature on/off control with one sensor and eight independent settings. |
Any combination digital and analog outputs R, I, S, T, U
|