3 maintenance – Varec TankGate Interface 8315 Series User Manual

Page 104

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Troubleshooting

Tank Gate Interface

94

Installation and Operations Manual

5. The LEDs will light (and remain steady) to indicate the address. For example, if the ID DIP

Switch is set to 1, LEDS D1 will on. If the ID DIP Switch is set to 3, LEDS D1 and D2 will be on.

Figure 8-4: Address indication from the LEDs

6. After 10 seconds, the address of the Tank Gate Interface will be set to the ID DIP Switch

setting. The LEDS will flash for 5 seconds to indicate that the address is about to be set.

Figure 8-5: Set the ID addresses

7. After the address is set, the Tank Gate Interface will begin normal operation with a blank

database:

CPU LED: Flashing once per second

COM LED: Toggles when communicating to PC

TXD: Off when there is no database. When tank gauges are being scanned, the TXD LED will

flash

RXD: Off when there is no database. When tank gauges are being scanned, the RXD LED will

flash when a response is received.

8.3

Maintenance

Field maintenance of the Tank Gate Interface is simplified by several built-in features. The

modular design of the computer control system, in conjunction with quick-disconnect

connectors, allows for on-site replacement of questionable components.

The following standard procedure can be used for repairing the Tank Gate Interface:

Replacing a defective component or module

Turn off main power.

Open the enclosure door. Remove the case cover of the Tank Gate Interface.

Replace the defective component or module using the instruction supplied with the spare

part.

ID = 1

D1

D2

D3

D4

ON

ID = 1

D1

D2

D3

D4

FLASHES

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