Omron CP1L Operation Manual page 388

Interrupt Functions
PLC Setup
Settings
Input Function Settings
According the PLC Setup
Setting
354
Click the Built-in Input Tab to and set the high-speed counters that will be
used for interrupts.
Item
Use high speed counter 0 to 3 Use counter
Counting mode
Circular Max. Count
Reset method
Input Setting
If the built-in inputs are set to be used as high-speed counters 0 to 3, the func-
tion of the input bits will change as shown in the following table. If a high-
speed counter is set to be used, the bits in CIO 0 and CIO 1 can no longer be
used for normal inputs, input interrupts, or quick-response inputs.
Setting
Linear mode
Circular mode (ring mode)
0 to FFFF FFFF hex
(When circular (ring) mode is selected as the count-
ing mode, set maximum ring value here.)
Phase Z and software reset
Software reset
Phase Z and software reset (continue comparing)
Software reset (continue comparing)
Differential phase inputs (4x)
Pulse + direction inputs
Up/Down inputs
Increment pulse input
Section 6-1