Power-Up
The 20 Light Emitting Diodes will be sequentially lit at start up. The software and hardware version are shown on
the graphical display as well as Time and Date. In addition, a Config version can be shown. By default the Time
(HH:MM:SS) and Date (Day:Month:Year) will be Greenwich Mean Time (see annex C how to set clock). The rack
monitor will ready for use if all internal test are positively completed
When powered up, a short animated icon of a plug-socket connection will be shown until the plug is connected to
the socket of the truck.
A few possible scenarios are possible after connecting the plug to the tank-truck socket.
1. All sensors are dry and a proper grounding is detected.
2. One or more sensors are wet and proper ground is detected.
3. All sensors are dry but the impedance of the grounding is too high.
4. Open or shorted channels are detected.
5. Sensors out of specifications are detected.
Note: Above information will also appear if the plug is not connected to the tank truck. This is mainly caused by
shorts in the cable/plug or an internal error in the monitor.
1. Below an example of a Tank truck with 2 dry compartment 5-wire sensors and good ground.
Permit Icon
Sensor Icon
Alternating flashing white
Grounding Indicators
Flashing blue Indicator
Grounding Icon
2 Dry compartments
Note: Tank-Truck shown at loading side for or Left-Hand-Drive. See Dip switch 7 for setting
Normal Operation
The main task of the 88XX Rack Monitor is to provide a signal to the rack automation equipment to shut-off the flow
of liquid as soon as a sensor in a compartment tank detect a liquid point level.
When the rack monitor is not used for 15 minutes it goes into sleep mode. During sleep mode the Red Led
indicators will be dimmed and occasionally flash with high intensity to indicate “system ready in sleep mode”.
To Next Page
Loading...
