Controller for Peltier cells
78x35 mm panel mount controller for Peltier cells with single display, 1 probe input and 1 Solid state relay output
Optionals: 2 digital inputs, 2 SSR drive outputs and RS485 serial port
- Process inputs:
1 input for temperature probes:
- TC type: J, K, S
- IR probes (J, K type)
- RTD : PT100 IEC
- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
- Voltage (mV) signals: 0...50 mV, 0...60 mV,
12 ...60 mV
- Voltage (V) signals: 0..1V, 0/1...5V , 0/2...10V
- Current (mA) signals (shunt): 0/4...20 mA
2 digital inputs:
- Free Voltage - Process outputs:
Main Output
Solid State output 12... 24 VDC (same as power supply)
High power (max 7 A)
For direct connection to Peltier cells
Automatic polarity inversion
Auxilary outputs (optional):
Up to 4 digital outputs according to the model selection:
2 SSR drive outputs (10mA/10VDC) - Power supply:
- 12... 24 VDC ± 10%
Auxiliary power supply for external transmitters (optional):
- 12 VDC /20 mA max. - Control functions
Control strategies :
- PID double action (Heat/Cool) with two degrees of freedom alghoritm
- AUTO-TUNING FAST function
- SELF-TUNING function
- FUZZY OVERSHOOT CONTROL automatic calculation
up to 4 Programmable setpoints
Bumpless manual control
Up to 2 configurable alarms + measurement error alarm
Total Accuracy:
± 0.5 % fs
t/c S: ± 1% fs - Communication and configuration
Serial communication port: insulated RS485 Modbus-RTU Slave
For PC configuration, supervision
or connection to third party devices.
Communication on TTL port to:
Universal programming key - Dimensions:
78x35 mm, depth 75.5 mm
Connections:
- 2,5 mm² screw terminals block
IP65 front frame protection, with gasket
1 red display with 4 digits, height: 12 mm
File no. E206847
Ref. UL/CSA 60730-1-2-9