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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 te
r
minal 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 te
r
minals I01 or I02 for forward up-counting to 1 KHz maximum at
24VDC high speed input signal. The selected Counter Coil (B) will tu
r
n 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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