Wiring Connections; Electrical Wiring - Hitachi HARC I/O Installations- Und Betriebshandbuch

5. Wiring connections

In order to run, HARC I/O must be connected to the corresponding input and output signals, power supply cables and H-LINK.
No. Connection
Power supply circuit
1
1~230 V 50 Hz 25 W
(With protection circuit)
H-LINK
2
DI1~8: Digital input signals
3
+5V DC. Imax.=0.5 A
AI1~8: Analog input signals
4
0~5V DC. Imax.= 1.9 A
O1~8: Output signals (relay)
5
0~230V AC, Imax.= 5 A AC
PCBs power supply
6
+5V DC. Imax.= 5 A DC

5.1. Electrical wiring

PMML0169A rev0 - 12/2007
Cable Specifications
Select wires accordiong local regulatrions
(recommended minimum 1.5 mm² H05RN-F)
Communication cables for the connection of HARC I/O 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.
Shield must be grounded in one side only.
Pair cable 0.75 mm² H05RN-F. Use different colour for each cable.
Pair cable 0.75 mm² H05RN-F. Use different colour for each cable.
Pair cable 0.75 mm². Use different colour for each cable. Do no apply directly output
signals to the main circuit. Apply some switch, relay or contactor for the correct use of
output signal.
Pair cable 0.75 mm² H05RN-F.
V:0~5V DC. Imax.= 1.9 A
HARC I/O - xxxxxxxxxxxxxxxx HARC I/O - Installation Manual
Field supplied Protections:
CB/EF:5A
ELB: 2/40A/30mA
CB: Circuit Breaker
EF: Electric Fuse
ELB: Earth Leakage Breaker
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