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5. Wiring connections
5.1 Electrical wiring
In order to run, HARC-SMS must be connected to the corresponding input and output signals, power supply cables and H-LINK.
No.
Connection
Power supply circuit
1
1~ 20V 50Hz 25W
(With protection circuit)
RS22 (Modem) with power
2
supply DC
H-LINK
3
PCBs Power supply
4
+5V DC. Imax.= 5 A DC
?
Note:
All cables, except 2 and 4 are field supplied
PMML0162A-rev.0 - 6/2008
HARC-SMS - xxxxxxxxxxxxxxxx
Cable Specifications
Select wires accordiong local regulatrions
(recommended minimum 1.5 mm² H05RN-F)
4 poles cable RS232 and power supply of modem +5V DC (H05RN-F Type)
Communication cables for the connection of HARC-SMS to an Hitachi installation, via
CSNET WEB or any Hitachi unit using same H-LINK terminals.
Twisted pair shielded cable 0.75 mm² (H05RN-F TYPE).
Shield must be grounded in one side only.
Pair cable 0.75 mm² (H05RN-F TYPE)
HARC-SMS - Installation Manual
Field supplied Protections:
CB/EF: 5A
ELB: 2/40A/30mA
CB: Circuit Breaker
EF: Electric Fuse
ELB: Earth Leakage Breaker
7
7 7
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