Powerflex 750-series drives, Logic command word – Rockwell Automation 20-COMM-L LonWorks Adapter User Manual

Page 71

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Logic Command/Status Words

C-5

20-COMM-L LonWorks Adapter User Manual

Publication 20COMM-UM008B-EN-P

PowerFlex 750-Series Drives

Important: When using a 20-COMM-L adapter with a PowerFlex

750-Series drive, the upper word (bits 16…31) of the Logic
Command and Logic Status words are not accessible and
cannot be used. Only when using a PowerFlex 750-Series drive
with a 20-750 communication Option Module (or the
PowerFlex 755 drive’s embedded EtherNet/IP adapter) is the
upper word accessible and used.

Logic Command Word

Logic Bits

31…15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Command

Description

x Normal Stop

0 = Not Normal Stop

1 = Normal Stop

x

Start

(1)

0 = Not Start

1 = Start

x

Jog 1

(2)

0 = Not Jog 1 (Par. 556)

1 = Jog 1

x

Clear Fault

(3)

0 = Not Clear Fault

1 = Clear Fault

x

x

Unipolar

Direction

00 = No Command

01 = Forward Command

10 = Reverse Command

11 = Hold Direction Control

x

Manual

0 = Not Manual

1 = Manual

x

Reserved

x

x

Accel Time

00 = No Command

01 = Use Accel Time 1 (Par. 535)

10 = Use Accel Time 2 (Par. 536)

11 = Use Present Time

x

x

Decel Time

00 = No Command

01 = Use Decel Time 1 (Par. 537)

10 = Use Decel Time 2 (Par. 538)

11 = Use Present Time

x

Ref Select 1

000 = No Command

001 = Ref A Select (Par. 545)

010 = Ref B Select (Par. 550)

011 = Preset 3 (Par. 573)

100 = Preset 4 (Par. 574)

101 = Preset 5 (Par. 575)

110 = Preset 6 (Par. 576)

111 = Preset 7 (Par. 577)

x

Ref Select 2

x

Ref Select 3

x

Reserved

(1)

A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Start condition starts the drive.

(2)

A Not Stop condition (logic bit 0 = 0) must first be present before a 1 = Jog 1/Jog 2 condition jogs the drive. A transition to a ‘0’ stops the

drive.

(3)

To perform this command, the value must switch from ‘0’ to ‘1’.

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