Analox 50 – Carbon Dioxide Analyser – User Manual
Document Ref: A50-811-19 – September 2014
Page 16
4.4. Relay Wiring
Internal relays
Ensure that the load is within the limits of the relay, 50VAC/DC, 1 Amps
(max).
External relays
The cable gland is for cables of outside diameter between 5 and 7mm, if
cable fitted is outside that range, a suitably specified cable gland must
be used. Ensure that the gland is properly tightened. Test that the cable
is adequately gripped by the cable gland. Ensure that the cable is
suitable for purpose, the load is within the limits of the relay,
240VAC/28VDC, 2Amps, and the insulation of the external circuit meets
the requirements for basic insulation 240VAC/28VDC, 2 Amps. After
completing wiring, ensure that the terminal box cover is securely
replaced.
RELAY TERMINAL BOX TERMINATIONS
Cable core
Relay terminals
Relay 1 COM
Relay 1 N.O.
Relay 1 N.C.
Relay 2 COM
Relay 2 N.O.
Relay 2 N.C.
