Chapter 10 DC Input Option Board
10 - 15
10.5 Example using high-speed counter
Describes on option board high-speed counter example
(1) High-speed counter setup
Set up option board high-speed counter operation by using U area.
(a) Select high-speed counter mode.
(b) If you need „Preset‟ function, input „Preset value‟ and turn on „Preset Enable” bit.
(c) Specify „Latch counter‟ or „Up/Down counter‟
(d) Turn on „High-speed counter enable‟ signal
(2) Monitoring
You can check option board high-speed counter value by registering U9.2 (no.0 slot, no.0 ch) at
variable mornitring window or program.
Set up high-speed counter mode
Turn on High-speed Counter Enable signal (No. 9 slot, No.0 ch) of input option board (XBO-DC04A)