Writing (06) comm frequency command, Reading (03) logic status data – Rockwell Automation 25B PowerFlex 520-Series Adjustable Frequency AC Drive User Manual User Manual

Page 193

Advertising
background image

Rockwell Automation Publication 520-UM001G-EN-E - September 2014

193

RS485 (DSI) Protocol

Appendix C

Writing (06) Comm
Frequency Command

The PowerFlex 520-series drive Comm Frequency Command can be controlled
through the network by sending Function Code 06 writes to register address
2001H (Comm Frequency Command).

Reading (03) Logic Status
Data

The PowerFlex 520-series drive Logic Status data can be read through the
network by sending Function Code 03 reads to register address 2100H (Logic
Status). PowerFlex 523 drives support only Velocity bit definitions.
PowerFlex 525 drives can use Parameter

C122

[Cmd Stat Select] to select either

Velocity or Position bit definitions.

Position Bit Definitions

Comm Logic Command – C122 = 1 “Position”

Address (Decimal)

Bit(s)

Description

2000H (8192)

0

1 = Stop, 0 = Not Stop

1

1 = Start, 0 = Not Start

2

1 = Jog, 0 = No Jog

3

1 = Clear Faults, 0 = Not Clear Faults

5, 4

00 = No Command

01 = Forward Command

10 = Reverse Command

11 = No Command

6

1 = Logic In 1

7

1 = Logic In 2

10, 9, 8

000 = Freq. and Position Step 0

001 = Freq. and Position Step 1

010 = Freq. and Position Step 2

011 = Freq. and Position Step 3

100 = Freq. and Position Step 4

101 = Freq. and Position Step 5

110 = Freq. and Position Step 6

111 = Freq. and Position Step 7

11

1 = Find Home

12

1 = Hold Step

13

1 = Pos Redefine

14

1 = Sync Enable

15

1 = Traverse Disable

Comm Frequency Command

Reference

Address (Decimal)

Description

2001H (8193)

Used by internal comm modules to control the reference of the drive. In units of
0.01 Hz.

Advertising
This manual is related to the following products: