CPM1A Programmable Controllers Operation Manual 1784470
Down Arrow Key. The symbols “D@” will appear.
L000000001H0000
SHIFT ↓ D@OFF^ OFF^ OFF
3. The buzzer will sound when the specified bit goes from off to on (for up-dif-
ferentiation) or from on to off (for down-differentiation).
L000000001H0000
^ ON^ OFF^ OFF
Note The buzzer will not sound if it has been turned off.
4. Press the CLR Key to end differentiation monitoring and return to the normal
monitoring display.