Control Circuit - Hitachi J300 Series Instruction Manual

Control circuit

Terminal
symbol
FM
CM1
PLC
P24
Input
FW
monitor
signal
8
7
6
5
4
3
2
1
Frequency
H
command
O
input
OI
L
CM2
Output
signal
12
11
AL0
Fault alarm
output
AL1
AL2
NOTE1: Terminal RS can use only contact a (normally open). It cannot use contact b (normally closed).
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Terminal description and function
Frequency monitor
Common for monitor
Common terminal for the external power
source of the sequencer (PLC)
Internal power source for the frequency
monitor and intelligent input terminal
Forward operation
Intelligent input terminal 8
Intelligent input terminal 7
Intelligent input terminal 6
Intelligent input terminal 5
Intelligent input terminal 4
Intelligent input terminal 3
Intelligent input terminal 2
Intelligent input terminal 1
Power supply for frequency command
Voltage frequency command
Current frequency command
Common for frequency command
Common for intelligent output terminal
Intelligent output signal 12
Intelligent output signal 11
Normal: AL0-AL1 close
Abnormal, Power off:
AL0-AL1 open
AL2 AL1 AL0
CAUTION
Alarm connection may contain hazardous live voltage even when inverter is disconnected.
In case of removing flont cover for maintenance or inspection, confirm that incoming power
for alarm connection is surely disconnected.
Standard setting of
intelligent terminal
REV Reverse operation
CF1 Multistage speed
(First stage)
USP Prevention function of
restart upon power on.
CH1 2 stage acc./dec.
FRS Free run input signal
JG Jogging
AT Current input selection
RS Reset
RUN Run signal
FA1 Frequency arrival signal
Contact rating
250 VAC 2.5 A (Resistor load)
30 VDC 3.0 A (Resistor load)
5-11
Remarks
Dry contact
Close: ON (run)
Open: OFF (stop)
Min. ON time:
20 ms or more
Note:
If the power is turned
on when the input
terminals 1 to 5 are
kept on, all the data
stored in the inverter
is initialized.
Therefore, never turn
the power on in such
a state.
(NOTE 1)
10 VDC
0-5 VDC (nominal), 0-10 VDC
(nominal)(Input impedance 30 kΩ)
DC 4-20 mA (nominal)
Input impedance 250Ω
27 VDC
50 mA max
Min 100 VAC
0.2 A (cos¿=0.4) 10 mA
5 VDC
0.7 A (cos¿=0.4) 100 mA