Ra_pf_dnet_multidrive – Rockwell Automation 2080 Micro800 Digital and Analog Plug-in Modules User Manual

Page 59

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Rockwell Automation Publication 2080-UM004B-EN-E - December 2013

51

DeviceNet Plug-in – 2080-DNET20 Appendix 5

With PowerFlex 523, you need to multiply the speed reference and divide the
speed feedback by a factor of 10.0 in order to get the correct value. Note that the
PowerFlex 4 and PowerFlex 5 drives have a different multiplier.

For example, if you set reference speed at 50, command speed is 50 Hz for
PowerFlex 4M and only 5 Hz for PowerFlex 523 and PowerFlex 525.

RA_PF_DNET_MULTIDRIVE

This UDFB is used for I/O data exchange with standard PowerFlex drives,
configured as multi-drive.

PF_Alarm

OUTPUT

BOOL

Alarm bit from PowerFlex drive.

PF_Fault

OUTPUT

BOOL

Fault bit from PowerFlex drive.

PF_AltReference

OUTPUT

BOOL

Alt Reference bit from PowerFlex drive.

IMPORTANT

Ensure that your PowerFlex drives settings are correct. For basic setup
configuration, see the PowerFlex drives user manuals in the

Rockwell Automation Literature Library

.

Reference and Feedback for the Different PowerFlex Drives

Drive Type

Number

Reference

Feedback

PowerFlex 4M

132

x10

x0.1

PowerFlex 4

39

x10

x0.1

PowerFlex 40

40

x100

x0.1

PowerFlex 40P

41

x100

x0.01

PowerFlex 400

129

x100

x0.01

PowerFlex 523

8

x100

x0.01

PowerFlex 525

9

x100

x0.01

RA_PF_DNET_MULTIDRIVE: Input and Output Parameters

Variable Name

Type

Data Type

Description

FBEN

INPUT

BOOL

Function block enable input.
TRUE to enable the function.

PlcPortNum

INPUT

UINT

Plug-in slot number (1…5 for plug-in slots).

NodeNum

INPUT

USINT

DeviceNet node address for PowerFlex drive
(connected as master in multi-drive setup).

Start

INPUT

BOOL[1…5]

TRUE to start each element of the array.
Corresponds to each drive.
For example: Start[1] for Drive 1 and Start[5] for
Drive5.

RA_PF_DNET_STANDARD: Input and Output Parameters

Variable Name

Type

Data Type

Description

RA_PFDNET_MULTIDRIVE

FBEN

PlcPortNum

NodeNum

Start

Stop

ReferenceSpeed

Jog

ClearFault

Fwd_Rev

FBENO

PF_Feedback

PF_Ready
PF_Active

PF_Alarm

PF_Fault

PF_AltReference

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