2920 Float & Tape Transmitter 4 Wiring
50 Installation and Operations Manual
• When the limit switch arm rides up on the cam, it makes contact between the
Normally Open (NO3) and Common (COM1), but it also breaks the connection
between the Normally Closed (NC2) and Common (COM1).
ADJUSTABLE ALARM
DWELL TIME
ALARM ON
ALARM OFF
FIELD ADJUSTMENT KNOB
NORMALLY CLOSED (NC2)
COMMON (COM)
CONNECTOR
(UNUSED)
CONNECTOR
NORMALLY OPEN (NO3)
CONNECTOR
LIMIT SWITCH