Start And Speed Reference Control - Allen-Bradley PowerFlex400 User Manual

1-24 Installation/Wiring

Start and Speed Reference Control

The drive speed command can be obtained from a number of different sources. The source is
normally determined by
determined by P036
overridden by a variety of methods. See the chart below for the override priority.
Purge Input
Enabled and Active:
[Digital Inx Sel] = 1
No
Local Input
Enabled and Active
[Digital Inx Sel] = 3
No
Auto Input
Enabled and Active
[Digital Inx Sel] = 2
No
Comm Select Input
Enabled and Active:
[Digital Inx Sel] = 4
No
Drive is in
Hand/Local Mode
selected by AUTO key
(1)
No
Analog Input 1
Override Enabled & Active:
[Digital Inx Sel] = 14
No
Analog Input 2
Override Enabled & Active:
[Digital Inx Sel] = 15
No
P038 [Speed Reference]
= 4 or 5
No
Preset Inputs Active
T051/T052/T053 = 8
No
PID Enabled:
A152 [PID Ref Sel] ¹ 0
No
Run as specified by
P038 [Speed Reference].
Start and Direction commands come
from P036 [Start Source].
P038 [Speed Reference]. The drive Start command is normally
[Start Source]. However, the settings for these parameters can be
Drive will Start and Run as
specified by A141 [Purge Frequency].
Yes
Direction is always Forward.
Start, Speed and Direction commands
come from Integral Keypad.
Yes
Direction is Forward unless an input is
programmed for "Keypad/Jog Direction"
Run as specified by
P038 [Speed Reference].
Yes
Start and Direction commands
come from P036 [Start Source].
Start, Speed and Direction commands
Yes
come from RS485 (DSI) port.
Start and Speed commands
come from Integral Keypad.
Yes
Direction is Forward unless an input is
programmed for "Cmd Reverse"
Speed commands come from
Analog Input 1 (I/O Terminal 13).
Yes
Start and Direction
follows P036 [Start Source].
Speed commands come from
Analog Input 2 (I/O Terminal 17).
Yes
Start and Direction
follows P036 [Start Source].
Run as specified by
P038 [Speed Reference].
Yes
Start and Direction commands come
from P036 [Start Source].
Run as specified by
A144-A146 [Preset Freq 1-3].
Yes
Start follows P036 [Start Source],
Direction follows
Preset Frequency settings.
Run as specified by
A152 [PID Ref Sel].
Yes
Start and Direction commands come
from P036 [Start Source].
(1)
Refer to page 2-6 for additional
information on the operation of
the Hand/Auto Mode.