MBrande315
Member
I am in the process of converting a PLC5/250 program and the program has a timer on delay (TON) instruction. The time base is set to SCAN. I have only seen a time base of 0.01 and 1.0 in the PLC5. Does SCAN as a time base mean that when the timer is enabled that it accumulates the number of scans in the Preset value and then the Done bit goes high? Does the timer reset when the Enable signal is lost like a regular TON?
Also, any ideas why someone would use this method over just use a 0.01 or 1.0 time base?
Thanks. Any help would be greatly appreciated.
Also, any ideas why someone would use this method over just use a 0.01 or 1.0 time base?
Thanks. Any help would be greatly appreciated.