Start and speed reference control, Start and speed reference control -18 – Rockwell Automation 22A PowerFlex 4 User Manual FRN 6.xx User Manual

Page 28

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1-18

Installation/Wiring

The drive speed command can be obtained from a number of different
sources. The source is normally determined by

P038

[Speed Reference].

However, when A051 or A052

[Digital Inx Sel]

is set to option 2, 4, 5 or

6, and the digital input is active, A051 or A052 will override the speed
reference commanded by

P038

[Speed Reference]. See the chart below

for the override priority.

Start and Speed Reference Control

Jog Input

Enabled and Active:

A051 or A052 = 2

Yes

Drive will Start and Run at

Jog Speed.

Direction comes from

Terminal 03 Dir/Run REV

Local/Remote Input

Enabled and Active:

A051 or A052 = 5

Yes

Start, Speed and Direction commands

come from Integral Keypad.

Comm Select Input

Enabled and Active:

A051 or A052 = 6

Yes

Start, Speed and Direction commands

come from RS485 (DSI) port.

P038 [Speed Reference]

= 4 or 5

Yes

Run as specified by

P038 [Speed Reference].

Start and Direction commands come

from P036 [Start Source].

A051 / A052

Preset Inputs Active

Yes

Run as specified by

A071-A073 [Preset Freq 1-3].

Start and Direction commands come

from P036 [Start Source].

Run as specified by

P038 [Speed Reference].

Start and Direction commands

come from P036 [Start Source].

No

No

No

No

No

Drive stopped

(not Running)

Yes

No

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