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Pulse Train Input Operation - Hitachi WJ200-004M Quick Reference Manual

Wj200 series
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Pulse Train Input Operation

The WJ200 inverter is capable of accepting pulse train input signals, that are used for
frequency command, process variable (feedback) for PID control, and simple positioning.
The dedicated terminal is called "EA" and "EB". Terminal "EA" is a dedicated terminal, and
the terminal "EB" is an intelligent terminal, that has to be changed by a parameter setting.
Terminal Name
EA
EB
(Input terminal 7)
(1) Frequency Command by pulse train input
When using this mode, you should set
input-capture, and calculated based on the ratio of designated max. frequency (under
32kHz). Only an input terminal "EA" will be used in this case.
(2) Using for process variable of PID control
You can use the pulse train input for process variable (feedback) of PID control. In this
case you need to set
(3) Simple positioning by pulse train input
This is to use the pulse train input like an encoder signal. You can select three types of
operation.
Relay contact
AL2 AL1 AL0
RS485
comm.
Description
Pulse train input A
Pulse train input B
(Set
C007
to
85
)
A076
to 03. Only "EA" input terminal is to be used.
RS485
comm.
Logic input
SN 7
6
5
4
SP EO
EA
H
O
Pulse
Pulse
Analog
Train
Train
input
output
input
For frequency command, 32kHz max.
Reference voltage: Common is [L]
27Vdc max.
For frequency command, 2kHz max.
Reference voltage: Common is [PLC]
A001
to 06. In this case the frequency is detected by
37
3
2
1
L
PLC
OI
L
AM CM2
12 11
Logic
Analog
output
output
Ratings
P24
Short bar

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