Publication 1762-RM001C-EN-P
Using High-Speed Outputs 6-9
PTO Run Status (RS)
The PTO RS (Run Status) bit is controlled by the PTO sub-system. It can
be used by an input instruction on any rung within the control program.
The RS bit operates as follows:
•
Set (1) - Whenever a PTO instruction is within the run phase of the
output profile.
•
Cleared (0) - Whenever a PTO instruction is not within the run phase
of the output profile.
PTO Accelerating Status (AS)
The PTO AS (Accelerating Status) bit is controlled by the PTO sub-system.
It can be used by an input instruction on any rung within the control
program. The AS bit operates as follows:
•
Set (1) - Whenever a PTO instruction is within the acceleration phase
of the output profile.
•
Cleared (0) - Whenever a PTO instruction is not within the
acceleration phase of the output profile.
PTO Ramp Profile (RP)
The PTO RP (Ramp Profile) bit controls how the output pulses generated
by the PTO sub-system accelerate to and decelerate from the Output
Frequency that is set in the PTO function file (PTO:0.OF). It can be used
by an input or output instruction on any rung within the control program.
The RP bit operates as follows:
•
Set (1) - Configures the PTO instruction to produce an S-Curve profile.
•
Cleared (0) - Configures the PTO instruction to produce a Trapezoid
profile.
Sub-Element
Description
Address Data Format Range Type User Program
Access
RS - Run Status PTO:0/RS bit 0 or 1 status read only
Sub-Element
Description
Address Data
Format
Range Type User Program
Access
AS - Accelerating Status PTO:0/AS bit 0 or 1 status read only
Sub-Element
Description
Address Data Format Range Type User Program
Access
RP - Ramp Profile PTO:0/RP bit 0 or 1 control read/write
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