ABB CL Series Applications Manual page 125

Wiring with the logic relay
C15
F
S
122
Value range
The counter relay counts between 4 and 1000 [Hz].
Parameter display in RUN mode:
+
Current setpoint, constant (0309)
00200
#
Contact has not switched.
â
Contact has switched.
Actual value (0153)
Retention
Setting retention on the frequency counter serves no purpose
since the frequency is continuously remeasured.
1SVC 440 795 M0100