Hitachi L100 IP Series, Instruction Manual

Page: 26 / 94

Chapter 5 – Wiring
5-8
Terminal
category
Sym
bol
Purpose Initial setting Remarks
H Reference for frequency command input 10V DC; max. 10mA
O Voltage frequency command
Set value 0-10V;
Input impedance 10k Ohm
OI Current frequency command
Set value 4-20mA;
Input impedance 250 Ohm
Frequency
command
input
L Common for frequency command input
11
Frequency arrival signal
(signal when reaching
set value)
12
The digital outputs can be user
programmed to provide different signals
for the following situations:
Signal when reaching set value or
passing a configurable frequency;
signal during motor run;
overload signal;
PID deviation signal; alarm signal
Signal during
motor run
Outputs of
open collector type for
connection to a relay
(max. 27V DC and
max. 50mA)
Digital
output
CM2 Common for digital outputs
AL0
AL1
Fault
alarm
output
AL2
AL0 AL1 AL2
Initial setting: During normal operation AL0-AL1 is closed; during a trip condition
or cut off power supply AL0-AL1 is opened (i.e. AL0-AL2 is closed).
Ratings of relay contacts:
Max. 250VAC / 2.5A (resistive) or 0.2A (cos phi = 0.4); Min. 100VAC / 10mA
Max. 30VDC / 3.0A (resistive) or 0.7A (cos phi = 0.4); Min. 5VDC / 100mA