Onicon System-10 N2 Manual de usuario descargar pdf (Pagina 20)

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System-10-N2 BTU Meter Installation and Operation Guide 05/14 - 0655-5 / 18322 Page 20

Reported Problem Possible Solutions

Network communications are disrupted

when the device is connected.

• The RS485 network cable connections are •

polarity sensitive and must be connected •

the same way on every device. (i.e. + to •

+ and - to -). (See section 1.4.1 of this •

manual for details.)

• A unique address is required for each device

on the network. Duplicate addresses will

cause some or all of the devices on the

network to quit working. (See section 1.6.1 of

this manual for details.)

• Shield drain connections should be daisy •

chained in the same manner as the signal

cables for RS485. The shield drain wire

should be left unterminated at the end of

the cable and connected to earth only at the

network master controller. Shield wires must

not be connected to the RS485 connector on

the System-10.

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Onicon System-10 N2 Manual de usuario Pagina 20