LNI NG CASTORE XL iQ 20, Руководство по эксплуатации

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7.4 Serial communication and connections
7.4.1 Digital I/Os
Attention, every external device connected to the generator must respect the SELV 1 directives.
The appliance can be managed and/or monitored via a remote connection. The appliance is fitted with
several connectors, with the following functions:

RS485 : used for communication with other units

RS232 : used for local control via PC or for service operations.

I/Os: Opto-isolated input that allows the compressor to be switched on/off via remote control;
Voltage free output for signalling the system status: Off, On, Alarm
Contact the reseller and/or the manufacturer for further information.
7.4.2 Auxiliary connections
At the rear of the generator are located the serial communication ports
RS232, RS485 and a Digital I/O input useful for remote control of the
unit (see 2.5).
I/O connector
Pin Description
1 Voltage-free contact (max 2A, 24Vac/dc) N.C.
2 Voltage-free contact (max 2A, 24Vac/dc) N.C.
3 Opto-isolated digital input (12-24Vac/dc)
4 Opto-isolated digital input (12-24Vac/dc)
NOTE: The RS485 #1 port is reserved and not usable
1 SELV - Safety (Separated) Extra-Low-Voltage
Extra-Low-Voltage system (i.e. normally not exceeding 50 Vac or 120 V ripple-free d.c.) which is electrically separated from earth and from other systems in
such a way that a single fault cannot give rise to an electric shock.
Operating manual NG(A) CASTORE XL iQ 33