B–26, Appendix b – Hitachi L2002 User Manual
Page 262

ModBus Data Listing
Appendix B
B–26
The following table lists the holding registers for the “A” Group Standard Functions.
Holding Registers for “A” Group Standard Functions
Func.
Code
Name
R/W
Description
Network Data
Register
Range
Res.
hex
dec.
A001
Frequency source
setting
R/W Five options; select codes:
00... Keypad potentiometer
01... Control terminal
02... Function F001 setting
03... ModBus network input
10... Calculate function output
1019h
04121
0 to 3, 10
—
A002
Run command source
setting
R/W Three options; select codes:
01... Control terminal
02... Run key on keypad, or
digital operator
03... ModBus network input
101Ah
04122
1, 2, 3
—
A003
Base frequency setting
R/W Settable from 30 Hz to the
maximum frequency
101Bh
04123
30 to
max. freq.
1 Hz
A203
Base frequency setting,
2nd motor
R/W Settable from 30 Hz to the
2nd maximum frequency
150Ch
05388
30 to
max. freq.
2
1 Hz
A004
Maximum frequency
setting
R/W Settable from the base
frequency up to 400 Hz
101Ch
04124
30 to 400
1 Hz
A204
Maximum frequency
setting, 2nd motor
R/W Settable from the 2nd base
frequency up to 400 Hz
150Dh
05389
30 to 400
1 Hz
A005
[AT] selection
R/W Four options, select codes:
00... Select between [O] and
[OI] at [AT]
01... [O] + [OI] ([AT] input is
ignored)
02... Select between [O] and
keypad potentiometer
03... Select between [OI] and
keypad potentiometer
101Dh
04125
0, 1, 2, 3
—
A011
O–L input active range
start frequency
R/W The output frequency corre-
sponding to the analog input
range starting point,
range is 0.0 to 400.0
1020h
04128
0 to 4000
0.1 Hz
A012
O–L input active range
end frequency
R/W The output frequency corre-
sponding to the analog input
range ending point,
range is 0.0 to 400.0
1022h
04130
0 to 4000
0.1 Hz
A013
O–L input active range
start voltage
R/W The starting point (offset) for
the active analog input range,
range is 0. to 100
1023h
04131
0 to 100
1 %