Chapter 6 FBD Block Diagram Programming 164
High Speed Counter Function Block (DC Version Only)
The DC powered version smart relays include two 1 KHz high speed inputs on terminal I01 and I02. These can be used as
general purpose DC inputs or can be wired to a high speed input device (encoder, etc.) when configured for high speed
counting.
(1) Counter Mode 7 (DC powered versions only)
The Mode 7 High Speed Counter can use either input terminals I01 or I02 for forward up-counting to 1 KHz maximum at
24VDC high speed input signal. The selected Counter Coil (B) will turn ON when the pulse count reaches preset value and
remain ON. The counter will reset when the Reset Input is active.
FBD display Parameter display
High counting input
→
Enable Input
→ ←
Current value
Reset
→
←
Preset value
Counter Parameter
→
Note: High speed input terminal I01,I02
Example as shown: Q01 output ON with C01 (B001), but Q01 output with scan time.
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