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Home » Product Range » Displays, controllers, signal conditioners » Digital controllers » Gefran 3500-4500 digital controller
Gefran 3500-4500 programmable digital controller for cascade and ratio control, universal input configurable from the front panel, J, K, R, S, T, B, E, N, Ni-Ni18Mo, and L thermocouples, 2/3-wire PT100, 0/10...50 mV, 0/2...10V, and 0/4...20mA
| Analog input: | 1 universal input, front panel configurable |
| Connectable sensors: (with scaling and linearization) | J, K, R, S, T, B, E, N, Ni-Ni18Mo and L type thermocouples 2- and 3-wire PT100 resistance temperature detectors Linear signals 0/10...50mV, 0/2...10V (with external resistance), 0/4...20mA (with external resistance) |
| Digital input: | max. 8 inputs with configurable functions |
| Additional input: | 1 analog input for feedback and setpoint adjustment |
| Display: | 1 LCD display with backlight (2 x 4-digit numerical display, bar graphs) |
| Control output: | max. 8 electronic, relay, or continuous analog outputs, including 2 outputs with PID control (cooling/heating function) |
| Analog output: | 1 configurable output (repeated input signal) |
| Number of outputs: | Expandable to 16 outputs with relays (using 2 MD81 relay units) |
| Communication: | Current loop, RS485 and RS232 (Cemcal, Modbus) |
| Program: | max. 100 steps (100 ramps and 100 holds) |
| Functions: | 4 programmable restart modes, cyclic timed operation mode, manual/automatic operation, cooling/heating with 2 PID controls, valve control, max. 10 configurable alarms, storage for 10 PID setting kits |
| Configuration: | Front panel and serial line (with PC software) |
| Front panel size: | 3500 type: 48x96 mm (1/8 DIN) 4500 type: 96x96 mm (1/4 DIN) |
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