Start And Speed Reference Control - Allen-Bradley 22C-B012N103 User Manual

Start and Speed Reference
Control
The drive speed command can be obtained from a number of different sources.
The source is normally determined by
command is normally determined by
settings for these parameters can be overridden by a variety of methods. See the
chart below for the override priority.
Override Enabled & Active:
Override Enabled & Active:
P038 [Speed Reference]
A152 [PID Ref Sel] ¹ 0
Run as specified by P038 [Speed Reference].
Start and Direction commands come
from P036 [Start Source].
Rockwell Automation Publication 22C-UM001J-EN-E - January 2017
P038 [Speed Reference]. The drive Start
P036 [Start Source]. However, the
Drive will Start and Run as
Purge Input
specified by A141 [Purge Frequency].
Yes
Enabled and Active:
[Digital Inx Sel] = 1
Direction is always Forward.
No
Start, Speed and Direction commands
Local Input
come from Integral Keypad.
Enabled and Active Yes
[Digital Inx Sel] = 3
Direction is Forward unless an input is
programmed for "Keypad/Jog Direction"
No
Run as specified by
Auto Input
P038 [Speed Reference].
Yes
Enabled and Active
[Digital Inx Sel] = 2
Start and Direction commands
come from P036 [Start Source].
No
Comm Select Input
Start, Speed and Direction commands
Yes
Enabled and Active:
come from RS485 (DSI) port.
[Digital Inx Sel] = 4
No
Start and Speed commands
Drive is in
come from Integral Keypad.
Hand/Local Mode
Yes
selected by AUTO key
Direction is Forward unless an input is
(1)
programmed for "Cmd Reverse"
No
Speed commands come from
Analog Input 1
Analog Input 1 (I/O Terminal 13).
Yes
[Digital Inx Sel] = 14
Start and Direction
follows P036 [Start Source].
No
Speed commands come from
Analog Input 2
Analog Input 2 (I/O Terminal 17).
Yes
[Digital Inx Sel] = 15
Start and Direction
follows P036 [Start Source].
No
Run as specified by
P038 [Speed Reference].
Yes
Start and Direction commands come
= 4 or 5
from P036 [Start Source].
No
Run as specified by
A144-A146 [Preset Freq 1-3].
Preset Inputs Active
Yes
T051/T052/T053 = 8
Start follows P036 [Start Source],
Direction follows
Preset Frequency settings.
No
Run as specified by
A152 [PID Ref Sel].
PID Enabled:
Yes
Start and Direction commands come
from P036 [Start Source].
No
Installation/Wiring Chapter 1
(1) Refer to
page 50 for
additional
information
on the
operation of
the Hand/
Auto Mode.
37