Hitachi WJ Series

Appendix
A-1-12
■ Details of comparison of control circuit terminal block
Item
WJ200
WJ-C1
Change point
(function/electrical
characteristics, etc.)
Terminal
symbol
Terminal name
Terminal
symbol
Terminal name
Analog input/output
Power supply
L
Common for
input signal
L
Common for
input signal
Equivalent
H
Power supply for
frequency setting
H
Power supply for
frequency setting
Frequency
setting
(Analog input)
O
Analog input
(Voltage input)
Ai1
Analog input 1
(Voltage input)
Only the terminal symbol is
changed.
OI
Analog input
(Current input)
Ai2
Analog input 2
(Current input)
Thermistor
input
5
[PTC]
External
thermistor input
5
[PTC]
External
thermistor input
Equivalent
Monitor output
AM
Analog output
Ao1
Analog output
Only the terminal symbol is
changed.
Digital input
Power supply
L
Common for
input signal
L
Common for
input signal
Equivalent
P24
Power supply
terminal for input
signal
P24
Power supply
terminal for input
signal
Specification of the internal 24
VDC power supply is identical.
In WJ-C1, by inputting external
24 VDC power supply to this
terminal, only the control
board can be operated and
read/write of parameters,
communication etc. are
possible.
PLC
Power supply
terminal for input
terminal
PLC
Power supply
terminal for input
terminal
Equivalent
Contact input
7
6
5
4
3
2
1
Intelligent input
7
6
5
4
3
2
1
Intelligent input
Equivalent
Pulse input
EA
Pulse input A
8
[PLA]
Pulse input A
Only the terminal symbol is
changed.
In WJ-C1 User's Guide, this is
called [PLA].
7
[EB]
Pulse input B
7
[PLB]
Pulse input B
Assignment function name of
intelligent input terminal is
changed.
The maximum input frequency
is changed.
WJ200: 1.8 kHz
WJ-C1: 32 kHz
Digital output
Open collector
output
11
12
Intelligent output
11
12
Intelligent output
Equivalent
CM2
Common for
intelligent output
CM2
Common for
intelligent output
Relay output
AL0
AL1
AL2
Intelligent relay
output
AL0
AL1
AL2
Intelligent relay
output
Pulse output
E0
Digital pulse
output
Ao2
Digital pulse
output
Only the terminal symbol is
changed.
Serial
Communication
SP
SN
Modbus
communication
terminal
SP
SN
Modbus
communication
terminal
The terminating resistance
value is changed.
WJ200: 200 Ω
WJ-C1: 120 Ω