Hitachi WJ Series

Chapter 18 List of Parameters/Modbus Coil/Register Numbers
18-2-11
18.2.4 b Parameter Group
Code
Name
Data range
Initial
value
Set
value
Change
during
running
Modbus communication
Page
Register No.
Data Range
Resolution
b001
Restart mode
selection after
instantaneous
power failure/
undervoltage
error
00: Trip
01: 0Hz start
02: Restart with frequency
matching
03: Decelerate and stop with
frequency matching and
then trip
04: Active frequency matching
restart
00
✓
1301h
0 to 4
-
9-9-10
b002
Instantaneous
power failure/
undervoltage
allowed time
0.3 to 25.0 (s)
1.0
✓
1302h
3 to 250
0.1
b003
Retry wait time
after
instantaneous
power failure/
undervoltage
error
0.3 to 100.0 (s)
1.0
✓
1303h
3 to 1000
0.1
b004
Enable
instantaneous
power failure/
undervoltage
error while in
stop status
00: Disable
01: Enable
02: Disable at Stop/Decel.
Stop
00
✓
1304h
0 to 2
-
b005
Number of retries
after
instantaneous
power failure/
undervoltage
00: 16 times
01: Unlimited
00
✓
1305h
0 to 1
-
b007
Frequency
matching
minimum restart
frequency
0.00 to 590.00 (Hz)
0.00
✓
1307h (High)
1308h (Low)
0 to 59000
0.01
9-7-3
b008
Restart mode
selection after
overvoltage/
overcurrent error
00: Trip
01: 0Hz start
02: Restart with frequency
matching
03: Decelerate and stop with
frequency matching and
then trip
04: Active frequency matching
restart
00
✓
1309h
0 to 4
-
9-9-14
b010
Number of retries
after
overvoltage/
overcurrent
1 to 3 (times)
3
✓
130Bh
1 to 3
1
b011
Retry wait time
after
overvoltage/
overcurrent error
0.3 to 100.0 (s)
1.0
✓
130Ch
3 to 1000
0.1
b012
Electronic
thermal level,
1st-motor
(0.20 to 1.00) × Rated
current (A)
Rated
current
✓
130Dh
200 to 1000
0.1
(%)
*1
8-1-8
b212
Electronic
thermal level,
2nd-motor
Rated
current
✓
230Ch
0.1
(%)
*1
b013
Electronic
thermal
characteristic
selection, 1st-
motor
00: Reduced torque
01: Constant torque
02: Free setting
01
✓
130Eh
0 to 2
-
8-1-9
*1. 100% of the set value means the rated current of the WJ-C1.