Optional Configurations
5-13
High Speed Counter Encoder Module User Manual
T
able 5-3
Channel
1, 24-Bit Counter: Pr
eset 1 V
alue
Word MSByte LSByte
WY21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
WY22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
T
able 5-4 shows the counting options bit definitions. Shaded areas represent
the default modes (all bits are zero).
T
able 5-4 Channel 1, 24-Bit Counter: WY21 Pr
ogramming Bit V
alues
Bit Position Description
01 02 03 04 05 06 07 08 Mode
0 0 0
Direction counting (count: input A, direction: input B)
0 0 1
Direction counting (count: input A, direction: input B)
0 1 0
Up/Down counting (count up: input A, count down: input B)
0 1 1
Up/Down counting (count up: input A, count down: input B)
1 0 0 Quadrature 1X (input A pulses, input B pulses)
1 0 1 Quadrature 2X (input A pulses, input B pulses)
1 1 0
Quadrature 4X (input A pulses, input B pulses)
1 1 1
Quadrature 4X (input A pulses, input B pulses)
01 02 03 04 05 06 07 08 Counter Mode Setup
0 0 0 Binary counting, recycle mode
0 0 1 Binary counting, non-recycle mode*
0 1 0 Divide-by-N counting, recycle mode
0 1 1 Divide-by-N counting, non-recycle mode*
01 02 03 04 05 06 07 08 Internal Sample Interval
1 0 0 1 millisecond sample, (binary, recycle mode)
1 0 1 10 millisecond sample, (binary, recycle mode)
1 1 0 100 millisecond sample, (binary, recycle mode)
1 1 1 1 second sample, (binary, recycle mode)
0 Index or Period pulse latches counter value
1 Index or Period pulse loads counter with Preset 1 value
0 Output Compare, Latch, Compare Toggle, (select jumper to match)
1 Output Rollover, (select jumper to match)
*In this mode, the output is configured as borrow toggle and carry toggle. These outputs are the cycle completion indicator.
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