Troubleshooting

TankGate Interface

 

 

by observing the RUN Indicator duty cycle. Under normal conditions, this indicator flashes once every second.

7.2.1.2Communications indicator

The Communications indicator provides communication line status. When it is toggling, the system is exchanging data. As the system receives a valid message from the Host, this indicator toggles. If the indicator is idle, the system is off-line.

7.2.1.3TXD/RXD LEDs

When these LEDs are flashing, the system is exchanging data between the TankGate and any tank gauge.

7.2.2LED Displays under Abnormal Conditions

The table below lists the abnormal conditions of the four indicator lights. From this table the user should be able to pinpoint the cause and derive a solution to the problem.

Indicator

Condition

Cause

Solution

 

 

 

 

Run

Does not flash

Bad database

Perform Hard Reset then reload

 

(even after hard

Bad main circuit

database

 

reset)

board

Replace main circuit board

 

 

 

 

 

Steady ON/OFF

system failure

 

 

 

 

 

Communication

Steady state

DIP switch

Check unit ID DIP switch

 

 

setting

setting: set ID number and reset

 

 

 

system

 

 

 

 

 

 

COM point

Check COM point with

 

 

 

diagnostics terminal or ViewRTU

 

 

 

 

 

 

COM parameters

Verify time-out, baud, and

 

 

 

protocol parameters have the

 

 

 

correct values set

 

 

 

 

 

 

bad

Check for bad communication

 

 

communications

line, modem board or main

 

 

 

circuit board

 

 

 

 

 

 

wrong jumper

Check SW1 & SW2 for proper

 

 

settings

settings

 

 

 

 

7.2.3Using the TankGate Push-buttons

7.2.3.1Reinitializing System Hardware

To reinitialize the system hardware

Press the RESET Switch.

This action causes it to go to a known starting state. This switch may be pressed at any time; however, the following will also occur:

Reinitialize System Hardware

Clear Working Memory

Reinitialize Data Base

98

Installation and Operations Manual

Page 108
Image 108
Varec 8315 Series manual LED Displays under Abnormal Conditions, Using the TankGate Push-buttons, Communications indicator