Allen-Bradley MicroLogix 1200 Reference Manual page 110

6-12 Using High-Speed Outputs
Publication 1762-RM001C-EN-P
PTO Operating Frequency Status (OFS)
Sub-Element Address
Description
OFS - Operating PTO:0.OFS word (INT)
Frequency Status (Hz)
The PTO OFS (Output Frequency Status) is generated by the PTO
sub-system and can be used in the control program to monitor the actual
frequency being produced by the PTO sub-system.
The value displayed may not exactly match the value
NOTE
entered in the PTO:0.OF. This is because the PTO
sub-system may not be capable of reproducing an exact
frequency at some of the higher frequencies. For PTO
applications, this is typically not an issue because, in all
cases, an exact number of pulses are produced.
PTO Total Output Pulses To Be Generated (TOP)
Sub-Element Address
Description
TOP - Total Output PTO:0.TOP long word
Pulses To Be Generated
The PTO TOP (Total Output Pulses) defines the total number of pulses to
be generated for the pulse profile (accel/run/decel inclusive).
PTO Output Pulses Produced (OPP)
Sub-Element Address
Description
OPP - Output PTO:0.OPP
Pulses Produced
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.
Data Format Range
0 to 20,000 status read only
Data Range
Format
0 to 2,147,483,647
(32-bit INT)
Data Range
Format
long word 0 to 2,147,483,647
(32-bit INT)
Type User Program
Access
Type User
Program
Access
control read/write
Type User Program
Access
status read only