Varec 2920 Installation And Operation Manual page 60

2920 Float & Tape Transmitter
50
NORMALLY CLOSED (NC2)
CONNECTOR
NORMALLY OPEN (NO3)
CONNECTOR
(UNUSED)
COMMON (COM)
CONNECTOR
LIMIT SWITCH
• 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).
FIELD ADJUSTMENT KNOB
ALARM OFF
ADJUSTABLE ALARM
DWELL TIME
ALARM ON
Installation and Operations Manual
4 Wiring