Hitachi PH, Instruction Manual

Page: 35 / 288

1-24 ● Connection of signals
1.5.2 Overview
As for wiring of the input-output lines, open the operation panel cover and draw the
lines from the ports on the side, and connect them to the external connection terminal
blocks 1, 2 and the external communication connector inside.
When performing wiring work, always turn off the power.
During normal use, leave the operation panel cover closed.
Caution
Operation panel cover
Electrical component cover
Ports
Terminal blocks 1, 2 and
communication connector
● Ports
Name Cable outer diameter range
For print terget detector/
encoder φ 3.5 to 7 (M12)
For reciprocative print,
printing / print completed,
stop printing, online and
remote signals φ 4.5 to 10 (M16)
For ready, fault, warning φ 4.5 to 10 (M16)
For external communication φ 3.5 to 10
( ) indicates a tightening nut.
Power switch
Use cables with an outside diameter within the range specified above.
Firmly tighten the lead-in port lock nut.
In addition, do not bundle weak electric system and strong electric
system cables together inside and outside the IJ printer so that the
weak electric system signals
(signals to terminal block 1 and external communication connector) are
not affected by strong electric system signals (power source).
Especially, absolutely never bundle together the print target detector
and print stop signals and the power source and Ready to print signal
cable and do not wire them inside the same duct.
Caution