B–26, Appendix b – Hitachi L2002 User Manual

Page 262

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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 %

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