Hitachi J300 Series Instruction Manual page 24

Wiring ofControl Circuit TermiDah
SOURCE TYPE wiring
(Factory settings for European version)
Input inielligcnt terminal
Failure alarm
Failurc alarm
SINK TYPE wiring
oi
It
Input intelligenr rerminal
NOTE l: When an outplt intelligent terminal is used, be sure to install a surge absorbing
diode in parallel with the relay (Ry). Otherwise, the surge volhStcreared wh;n
the relay (RY) goes ON or OFF may damage the output intelligent terminal
clrcuit.
NOTE 2: Use a twisted and shielded wire for the signal line, and cut the shielded covering
as shown in the diagram below. Make sure that the length of the signal line is 2b
metefs or less.
5-5