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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 %