Keypad hand-off-auto functions – Rockwell Automation 22C PowerFlex 400 AC Drive Quick Start - FRN 1-4.xx User Manual
Page 16

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PowerFlex 400 Adjustable Frequency AC Drive Quick Start
Parameter P042 [Auto Mode] defines the operation mode of the control
keys on the integral keypad. Hand-Off-Auto is the default operation
mode for PowerFlex 400 drives. For detailed information on other
operation modes, refer to the PowerFlex 400 User Manual supplied with
the drive.
Hand-Off-Auto Mode
In HAND mode:
•
Control keys operate as Hand-Off-Auto.
•
Start command and speed reference come from the integral keypad
Start/Hand and Digital Speed Increment and Decrement keys.
•
Auto key switches control from HAND mode to AUTO mode in a
bumpless transfer as long as there is an active Run command.
In AUTO mode:
•
Auto key LED is illuminated.
•
Start command is defined by P036 [Start Source].
•
Speed Reference command is defined by P038 [Speed Reference].
•
Start/Hand key switches control to the integral keypad in a bumpless
transfer and switches the speed reference to the integral keypad.
•
Stop key stops the drive and the drive switches to HAND mode.
Table 4.A P042 [Auto Mode]
=
1 “Hnd-Off-Auto” (Default)
T051-T054 [Digital Inx Sel]
≠
2 “Auto Mode” or 3 “Local”
Keypad Hand-Off-Auto Functions
HAND Mode
AUTO Mode
Key
LED Key Function
LED Key Function
On Starts drive.
Runs according to Speed Increment/
Decrement keys.
On Changes to HAND Mode and Starts
drive.
Runs according to Speed Increment/
Decrement keys.
On Changes speed.
Off Not active.
Keys are only active if P038 [Speed
Source] = 0 “Drive Pot”.
Off Changes to AUTO Mode.
On Not active.
N/A Stops drive.
N/A Changes to HAND Mode and Stops
drive.