1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

Using High-Speed Outputs 155PTOX Jog Frequency (JF)Sub-Element Description Address Data Format Range Type User Program AccessJF - Jog Frequency (Hz) PTOX:0.JF long word(32-bit INT)0…100,000 control read/writeThe PTOX JF (Jog Frequency) variable defines the frequency of the PTOoutput during all Jog phases. This value is typically determined by thetype of device that is being driven, the mechanics of the application, orthe device/components being moved. In the MicroLogix 1400 controller,the data less than zero or greater than 100,000 generates a PTOX error.PTOX Jog Pulse (JP)Sub-ElementDescriptionAddress Data Format Range Type User ProgramAccessJP - Jog Pulse PTOX:0/JP bit 0 or 1 control read/writeThe PTOX JP (Jog Pulse) bit is used to instruct the PTO sub-system togenerate a single pulse. The width is defined by the Jog Frequencyparameter in the PTOX function file. Jog Pulse operation is only possibleunder the following conditions:• PTO sub-system in idle• Jog continuous not active• Enable not activeThe JP bit operates as follows:• Set (1) - Instructs the PTO sub-system to generate a single Jog Pulse• Cleared (0) - Arms the PTOX Jog Pulse sub-systemPTOX Jog Pulse Status (JPS)Sub-ElementDescriptionAddressDataFormatRange Type User ProgramAccessJPS - Jog Pulse Status PTOX:0/JPS bit 0 or 1 status read onlyThe PTOX JPS (Jog Pulse Status) bit is controlled by the PTO sub-system.It can be used by an input instruction on any rung within the controlprogram to detect when the PTO has generated a Jog Pulse.The JPS bit operates as follows:Publication 1766-RM001A-EN-P - October 2008