SELCO A/S M2500 Installation Manual
Revision: 23-04-2012 Page 35
7.4 Specification
Environmental conditions:
Operating temperature: -15°C to +70°C
Humidity: 95%
Vibration: DNV vibrations class B
EMC: IEC 60945
Enclosure: IP44 (panel front only)
Supply:
Primary Supply: +24 V DC (-30 % / +30 %) Isolated, 500mA
Backup Supply: +24 V DC (-30 % / +30 %) Isolated, 500mA
Pick Up Input:
Connection: Screw terminals
Type: Magnetic (2-wire), NPN and PNP (3-wire), configurable via DIP
switch.
Rated frequency 40.0 to 10000 Hz
Sensor inputs:
9 Digital inputs: Normally open contacts to COM (default) or normally closed
contacts to COM. Optional cable monitoring (short circuit and
cable break).
8 Analogue inputs: 4-20mA -, with optional cable monitoring.
Mode / Control inputs:
Connection: Screw terminals (2,5mm
2
)
Activation: Connect to COM
All relays (except where otherwise specified):
Relay response time: 20 ms (worst case)
Contact set(s) 1 normally open
Contact rating: AC: 1 A, 250 V AC, DC: 1 A, 35 V DC
Function: Normally de-energized.
Run/ Stop Solenoid relay:
Relay response time: 20 ms (worst case)
Contact set(s) 1 normally open
Contact rating: AC: 8 A, 250 V AC, DC: 8 A, 35 V DC
Function: Normally de-energized (Default) or normally energized
Cable monitoring (cable break and short circuit).
System fault output relay (Siren):
Relay response time: 20 ms (worst case)
Contact set(s) 1 change over
Contact rating: AC: 1 A, 250 V AC, DC: 1 A, 35 V DC
Function: Normally energized.
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