FCM Control Module
FCM Control Module
FCM: Electronic Control Module
The FCM series controllers are used to manage the main physical values (temperature, humidity, pressure). Special attention has een focused on their use as condensing temperature/pressure controllers, through the control of the fan speed on condensing units.
The output of the controller is a 0 to 10 V analogue signal. In addition, they feature one control relay and two digital inputs with programmable functions. Three models are available, which differ according to the type of analogue inputs (probes):
- With inputs for CAREL NTC temperature probes;
- With 0 to 10 V inputs;
- With 0 to 20 or 4 to 20 mA inputs.
Technical Specifications
| Power Supply | 24Vac/Vdc, -20%, +10%, 50/60Hz |
|---|---|
| Power Consumption | 3VA (External fuse 315mA T) |
| Operating range | Temperature: -40T100 (-40÷100ºC;40÷212ºF); pressure: 0.0÷100 bar; humidity: 0.0÷100 % r.H. |
| Storage conditions | -10 to 70 (-10÷70ºC, 23.8÷158ºF); humidity below 90%r.H. non-condensing |
| Operating conditions | 0 to 50 (0÷50ºC, 32÷122ºF); humidity below 90%r.H. non-condensing |
| Case | Plastic; dimensions: 72x88x64mm |
| Index of protection | IP20 (IP40 with panel mounting) |
| Mounting | DIN rail |
| Connections | Screw terminals for wires with max 1.5mm2 and min 0.5mm2 cross-section |
| Classification according to protection against shock |
Class II |
| Number of automaticcycles for each automatic action (e.g.: relay) |
100.000 |
| Type of action-microswitching | 1C |
| PTI of materials used for insulation | 250V |
| Environmental pollution | Normal |
| Heat and fire resistance category | Category D (self-extinguishing complying with UL94-V0) |
| Category (surge immunity) | Category II |
| Software class and structure | Class A |
| Analog inputs | FCM00NTC00: 2 x NTC CAREL 10k½ at 25ºC probes FCM0001000: 2 x 0÷10V voltage inputs FCM0002000: 2 x 0÷20mA or 4÷20mA current inputs |
|
Digital inputs Aux. power output |
2 free contact-type with user-programmable 12Vdc, +10%, Imax=50mA total |
| Analog output | 1 x 0÷10V, Imax=5mA, minimum load 2k½ |
| Digital output | 1 SPDT relay with user-programmable function, Imax=8A res. (2A), Vacmax=250V |
| Serial line (optional) | 2-lead RS-485 |
| Display | 3 digit with 7-segment LEDs; 2 LEDs for active analog output and special functions |
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