Varec TankGate Interface 8315 Series Manuale Utente
8315 L&J Tankway Interface Module
TankGate Interface
18
Installation and Operations Manual
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COM: Communication between the TankGate and the host computer
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TXD: Transmitting data to tank gauge
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RXD: Receiving data from tank gauge
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+5V: Indicates interface module power
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+VEXT: Indicates external power
Figure 3-5: Model 8315 LED Indicators
3.2.3
External Power Connector (+48V) (J2)
Connect the +48 VDC External Power as shown below:
Figure 3-6: External Power Connector
3.2.4
Surge/Shield Ground Connector (J4)
Connecting the Surge/Shield ground connector
Caution!
This ground connection is important for system safety.
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Connect a 14 AWG copper wire between the ground terminal (J4) and a good
earth ground. Perform this step before connecting ANY other wires.
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Verify that the resistance in this connection does not exceed 1 ohm.