Engine 2014: Electricity

1. A When the counted pulses at CU decrement from the preset value at PV to zero.
2. B When the counted pulses at CU increment from zero to the preset value at PV.
3. C When the counted pulses at R decrement from the preset value at PV to zero.
4. D When the counted pulses at R increment from zero to the preset value at PV.

Tip: press A-D to answer