7
connect the wires with terminals on the plug core correctly (the
connection terminals are signed with clear numbers). Please
choose Φ4.5mm~7mm shield cable and connect the cable reliably
to prevent short circuit.
d) Pull the cable slightly and push the plug core into housing (a
rattling sound could be listened), then screw down the cable-fixed
nut.
e) To remove the cable, loose the cable-fixed nut to relax the cable,
and operate as Item2 to disconnect the plug. Take out the cable
from terminals with little screwdriver and pull out the cable from
cable-fixed nut, then renew the connection between plug core,
plug and socket.
Caution:
renew the rectangle-ring to the pre-mounting situation in order
tomaintain the protection class when connect plug and socket.
4.3 Ex-proof Transmitter’s Electric Connection
4.3.1 Intrinsic Safe EX transmitter electric connection
a) The installation of intrinsic safe transmitter should comply with
GB3836.15-2000, Part 15 of Electric Equipment Used in Explosive
Gas environment in and Regulations for Electric Installation in
Dangerous Environment (expect coal mine) ;
b) When ex-proof products used in “0” Zone, transformer which
supplies power to safe barrier should comply with Regulations of
GB3836.4-2010;
