Publication 1763-RM001C-EN-P - October 2009
Using High-Speed Outputs 141
PTO Output Pulses Produced (OPP)
The PTO OPP (Output Pulses Produced) is generated by the PTO
sub-system and can be used in the control program to monitor how many
pulses have been generated by the PTO sub-system.
PTO Accel/Decel Pulses Independent (ADI)
The PTO ADI (Accel/Decel Pulses Independent) bit is used to define
whether the acceleration and deceleration intervals will be the same, or if
each will have a unique value. When this bit is set (1), separate profiles
are used. When this bit is clear (0), the PTO will operate with the
deceleration profile as a mirror of the acceleration profile.
If separate acceleration and deceleration profiles are desired, you must
choose a long integer file number and a starting element. There must be
four long elements available in the file:
The choice of selecting a common profile or separate profiles must be
made at the time of programming. This cannot be changed once the
program is downloaded into the controller. The selection of the ramp type
must be made prior to going to run. The acceleration and deceleration
counts must be entered before the PTO is enabled. If the four long
elements are not properly identified, the controller will return a -3 error in
the PTO function file when going to run.
Sub-Element
Description
Address Data
Format
Range Type User Program
Access
OPP - Output
Pulses Produced
PTO:0.OPP long word
(32-bit INT)
0 to 2,147,483,647 status read only
Sub-Element
Description
Address Data Format Range Type User Program
Access
ADI - Accel/Decel
Pulses Independent
PTO:0/ADI bit 0 or 1 control read/write
Element 1: Acceleration Count
Element 2: Deceleration Count
Elements 3 and 4: reserved
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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