Hitachi WJ-0001S, User Manual

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I i
Inverter Parameter Setup
–
The inverter has several settings related to Modbus communications. The table
below lists them together. The Required column indicates which parameters must
be set properly to allow communications. You may need to refer to the host
computer documentation in order to match some of its settings.
Func.
Code
Name Required Settings
A001 Frequency source 03
00…Keypad potentiometer
01…Control terminal
02…Function F001 setting
03…Modbus network input
10…Calculate function output
A002 Run command source 03
01…Control terminal
02…Run key on keypad, or digital
operator
03…Modbus network input
C071 Communication speed 05 03 2400 bps
04 4800 bps
05 9600 bps
06 19.2k bps
07 38.4k bps
08 57.6k bps
09 76.8k bps
10 115.2k bps
C072 Modbus Address
1
Network address, range is 1 to
247
C074 Communication parity 00
00…No parity
01…Even parity
02…Odd parity
C075 Communication stop bit 1 Range is 1 or 2
C076 Communication error
select
00
00…Trip (Error code E60)
01…Decelerate to a stop and trip
02…Disable
03…Free run stop (coasting)
04…Decelerate to a stop
C077 Communication error
time-out
1.00
Comm. Watchdog timer period,
range is 0.00 to 99.99 sec.
C078 Communication wait
time
10 Time the inverter waits after
receiving a message before it
transmits. Range is 0. to 1000.
ms