Hitachi PC-ARF Technical Catalogue page 750

8 Control support devices
PSC-5HR

Internal layout
H-LINK to
the unit to be
connected
C A U T I O N
• Check to ensure the power source voltage is correct.
• Incorrect wiring will cause a breakdown of the Transformer or H-LINK Relay
• Especially, DO NOT connect power source to the Terminal Board for transmission.
• DO NOT install the H-LINK wires along the power line, other signal wires, etc. If installed, it may cause malfunction due to electrical
noise. If it is needed to install the wire near them, provide a space of 15cm or more. Or, insert the wires into the steel pipe and ground
one end of the pipe.
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How to open the cover
 
Loosen the screws to

Wiring connection
Connect the wires to the power source terminal
board Power source is 220/240 VAC

Transmission wires
Connect the H-LINK terminal board for transmission.
To control PCB
Do not make a loop in each H-LINK.
734
TCGB0106 rev.0 - 12/2014
Terminal Board for
transmission
Control PCB
Terminal Board for
transmission
and open the cover.
To control PCB
Do not make a loop
Ring core
Power source
terminal board
Power source
220/240 VAC
Earth screw
Power source Terminal Board
Terminal box for
transmission
To control PCB
220/240VAC
Power source