The AUX1 relay can be utilized for additional functions. Please contact OPW for possibilities
3. A user selectable (normally open - common - normally closed) AUX2 relay is available for four predefined
functions. See table at Error! Reference source not found. for dipswitch settings.
Front Layout
Figure 1 (Shown with cable glands. 88XX models use rigid conduit)
Above are the two models Rack Monitor, a 88X0 and a 88X1. The 88X1 has two multicolor light bars. The top light
bar is usually used to indicate if a proper ground connection of the tank truck has been established. The bottom bar
is mainly used to indicate the status of the sensors.
Indication pattern depends on dipswitch setting 1-6. If this switch is on (up position) than the light pattern is
according the 8130 rack monitor. In .
the monitor indicators of a 8130 are shown. Note a 8130 is a simple 5-wire
rack monitor.
Red indicator ON means NON-PERMISSIVE; while a Green indicator ON means Permissive. Both Red and Green
will be on when the bypass is activated. The Red lamp will flash if there is no GROUND VERIFY sign.
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