B–28

ModBus Data Listing

 

 

 

Holding Registers for “A” Group Standard Functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Func.

Name

R/W

Description

 

Network Data

 

 

 

 

 

 

 

 

Code

Reg.

 

Range

Res.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A062

Frequency lower limit

R/W

Sets a limit on output

0064h

 

(B082 x

0.1 Hz

 

 

 

setting

 

frequency greater than zero.

 

 

10) to

 

 

 

 

 

 

Range is start frequency

 

 

(A061 x

 

 

 

A262

Frequency lower limit

R/W

0065h

 

 

 

 

(B082) to frequency upper

 

10),

 

 

 

 

setting, 2nd motor

 

 

 

 

 

 

 

 

limit (A061).

 

 

0=disable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.0.. setting is disabled

 

 

>1=enabl

 

 

 

 

 

 

>0.1 setting is enabled

 

 

e

 

 

 

 

 

 

 

 

 

 

 

B

 

A063,

Jump (center) frequency

R/W

Up to 3 output frequencies can

0066h,

 

0 to 4000

0.1 Hz

 

A065,

setting

 

be defined for the output to

0068h

 

 

 

Appendix

 

A067

 

 

jump past to avoid motor

006Ah

 

 

 

 

 

 

 

resonances (center frequency)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range is 0.0 to 400.0 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A064,

Jump (hysteresis)

R/W

Defines the distance from the

0067h

 

0 to 100

0.1 Hz

 

 

A066,

frequency width setting

 

center frequency at which the

0069h

 

 

 

 

 

A068

 

 

jump around occurs

006Bh

 

 

 

 

 

 

 

 

Range is 0.0 to 10.0 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A071

PID Enable

R/W

Enables PID function,

006Ch

 

0, 1

 

 

 

 

 

two option codes:

 

 

 

 

 

 

 

 

 

00... PID Disable

 

 

 

 

 

 

 

 

 

01... PID Enable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A072

PID proportional gain

R/W

Proportional gain has a range

006Dh

 

2 to 50

0.1

 

 

 

 

 

of 0.2 to 5.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A073

PID integral time

R/W

Integral time constant has a

006Eh

 

0 to 1500

0.1 sec

 

 

 

constant

 

range of 0.0 to 150 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A074

PID derivative time

R/W

Derivative time constant has a

006Fh

 

0 to 1000

0.1 sec

 

 

 

constant

 

range of 0.0 to 100 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A075

PV scale conversion

R/W

Process Variable (PV) scale

0070h

 

1 to 9999

0.01

 

 

 

 

 

factor (multiplier), range of

 

 

 

 

 

 

 

 

 

0.01 to 99.99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A076

PV source setting

R/W

Selects source of Process

0071h

 

0, 1, 2, 3

 

 

 

 

 

Variable (PV), option codes:

 

 

 

 

 

 

 

 

 

00... [OI] terminal (current in)

 

 

 

 

 

 

 

 

 

01... [O] terminal (voltage in)

 

 

 

 

 

 

 

 

 

02... Network

 

 

 

 

 

 

 

 

 

03... Calculate function output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A077

Reverse PID action

R/W

Two option codes:

00E1h

 

0, 1

 

 

 

 

 

00... PID input = SP – PV

 

 

 

 

 

 

 

 

 

01... PID input = –(SP – PV)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A078

PID output limit

R/W

Sets the limit of PID output as

00E2h

 

0 to 1000

0.1 %

 

 

 

 

 

percent of full scale,

 

 

 

 

 

 

 

 

 

range is 0.0 to 100.0%