Hitachi L300IP Welding System User Manual


 
2
Control Circuit Terminals
Terminal
name
Description Ratings and Notes
P24 +24V power for
inputs
24VDC supply, 100 mA max.
CM1 +24V common Common for 24V supply, FW,
TH, inputs 1 to 5, and FM.
(Note: Do not ground)
PLC Common for logic
inputs
Common for input terminals 1
to 5, jumper to CM1 for sinking,
jumper to P24 for sourcing
1, 2, 3,
4, 5
Intelligent
(programmable)
discrete logic
inputs
FW Forward/stop
command
27VDC max. (use P24 or an
external supply referenced to
terminal CM1), 4,7kȍ input
impedance
11C-11A
12C-12A
Intelligent
(programmable)
relay outputs
Normally open contacts
250VAC / 30VDC, 5A (resistive
load) max., 250VAC / 30VDC,
5A (inductive load) max.
Minimum load 5VDC, 5mA
TH Thermistor input Reference to CM1, min.
thermistor power 100mW
FM PWM output 0 to 10VDC, 1.2 mA max.,
50% duty cycle