Allen-Bradley MicroLogix 1200 Reference Manual page 107

PTO Run Status (RS)
Sub-Element Address
Description
RS - Run Status PTO:0/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)
Sub-Element Address
Description
AS - Accelerating Status PTO:0/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)
Sub-Element Address Data Format Range
Description
RP - Ramp Profile PTO:0/RP bit
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.
Data Format Range
bit 0 or 1
Data Range
Format
bit 0 or 1
Type
0 or 1 control
Using High-Speed Outputs 6-9
Type User Program
Access
status read only
Type User Program
Access
status read only
User Program
Access
read/write
Publication 1762-RM001C-EN-P