User Manual

Function blocks
169
08/04 AWB2528-1423GB
7: accept preset actual value, coil CH..SE
8: reset coil CH..RE
9: contact (make contact) CH..OF upper setpoint value reached,
exceeded
10: contact (make contact) CH..FB lower setpoint value reached,
undershot
11: contact (make contact) CH..ZE actual value equal to zero
12:out of value range
•Range A:
– The counter has the value zero.
– The contacts CH..ZE (actual value equal to zero) and CH..FB
(lower setpoint value undershot) are active.
– The counter receives counter values and increases the actual
value.
– CH..ZE drops out as well as CH..FB after the lower setpoint
value is reached.
•Range B:
– The counter counts upwards and reaches the upper setpoint
value. The contact “upper setpoint value” CH..OF becomes
active.
•Range C:
– The coil CH..SE is briefly actuated and the actual value is set
to the preset actual value. The contacts go to the respective
position.
•Range D:
– The counting direction coil CH..D is actuated. If counting
impulses 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 become active according to the direction of the
values (positive or negative).