5 Function blocks
5.8 CH, high-speed counter
Control Relay easy800
11/11 MN04902001Z-EN
www.eaton.com
173
• Range D:
– The counting direction coil CH…D is actuated. If counting pulses are present, downward count is
initiated.
– If the lower setpoint value is undershot, the contact CH..FB becomes active.
• Range E:
– The reset coil CH…RE is activated. The actual value is set to zero.
– The contact CH…ZE is active.
• Range F:
– The actual value goes outside the value range of the counter.
– The contacts OF, FB, ZE become active according to the direction of the values (positive or negative).
Memory
52 + per
4 Byte/Constant at function block input
Cycle time [
μ
s]
easy800 standard
easy800-SWD
52
13