Specifications

C - 16 RSLinx – Training Guide
Debug Rung #1
Purpose: Read the status of the solenoid output bit in the main program and then start a
timer when true.
Instructions Used: Examine On (XIC) instruction with the same Symbol or address as the
output connected to the solenoid.
Timer On Delay (TON) used to simulate the cylinder travel delay, programmed with an
available timer address with a suitable time delay.
Debug Rung #2
Purpose: To monitor the timers done bit and then simulate the limit switch closure.
Instructions Used: Examine On (XIC) instruction referencing the above timer's done bit.
Output Energize (OTE) instruction with the same Symbol or address as the input wired to
the limit switch.
The rungs from both the normal and debug ladder logic would look like this:
First the normal rungs: