Product name: High-speed Counter Unit.
Model: CS1W-CT021.
Number of counters: 2.
Encoder A and B input, pulse input, Z signal: Open-collector Input voltage: 5 VDC, 12 VDC, or 24 VDC(5- and 12-VDC input only possible for 1 axis.).
Maximum counting speed: 50 kcps.
Unit numbers: 0 to 92 (4 unit numbers per Unit).