Table 2-12 Counter Gate Source Control Bit; Table 2-13 Counter Output Destination - Advantech UNO-2050 User Manual

Counter gate source
The gate sources you select determine what kind of gate input signal
to enable your counter/timer when receiving clock input. There are two
gate sources available for the user counters by setting gate source
control bits - CTR0GateSet and CTR1GateSet.
CTR0GateSet
CTR1GateSet
Counter output destination
You can choose the output destination of counter 0 and counter 1 by
setting "Output Destination control bits" - CTR0OutSet and TR1OutSet.
CTR0OutSet
CTR1OutSet
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Table 2-12 Counter gate source control bit

Gate Source control bit
0 Gate source from "CTR0Gate" control bit (Default)
1
0 Gate source from "CTR1Gate" control bit (Default)
1

Table 2-13 Counter output destination

Output Destination control bit
0 Output destination to "CTR0Out" status bit (Default)
Output destination to "CTR0Out" status bit and digital
1
0 Gate destination to "CTR1Out" status bit. (Default)
Output destination to "CTR1Out" status bit and digital
1
Gate source from digital input 4 (DI4) channel
Gate source from digital input 5 (DI5) channel
output 6 (DO6) channel
output 7 (DO7) channel