Electrical Wiring - Hitachi PC-ARF Technical Catalogue

8 Control support devices
PC-A1IO

8.3.3 Electrical wiring

In order to run, PC-A1IO must be connected to the corresponding input and output signals, power supply cables and H-
LINK.
No. Connection
Power supply circuit
1
1~ 230V 50Hz 25W
(With protection circuit)
2
H-LINK
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
DO1~8: Output signals (relay)
5
+5V DC, Imax.= 1.9A
PCBs power supply
6
+5V DC. Imax.= 5 A DC
Checking procedure
Checking of PC-A1IO consist in disconnect and connect the PC-A1IO and check that in the 7-segments display appears
the current software value.
N O T E
Ask your Hitachi distributor what check value has the last version of firmware
722
TCGB0106 rev.0 - 12/2014
Select wires accordiong local regulatrions
(Recommended minimum 1.5 mm² H05RN-F)
Communication cables for the connection of PC-A1IO to an Hitachi installation, via CS-
NET 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
Cable Specifications
Field supplied Protections:
CB/EF:5A
ELB: 2 / 40A / 30m A
CB: Circuit Breaker
EF: Electric Fuse
ELB: Earth Leakage Breaker