B&B Electronics SPECTRE Bedienungsanleitung PDF herunterladen (Seite 27)

B&B Electronics, Inc. SPECTRE User Manual

SPECTRE_User_Manual_2912m

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Fig. 26: Connection to the router with data cable length more than 10 m

With a RS-485 data cable more than 10m, it is necessary to use overvoltage protection

on the router side!

RS-422 Mode

number

Signal mark

Description

Data flow direction

SGND

Signal and power supply ground

SGND

Signal and power supply ground

RxD-

Receive Data (-)

Output

RxD+

Receive Data (+)

Output

TxD-

Transmit Data (-)

Input

TxD+

Transmit Data (+)

Input

+12V EXT

External power supply

+12V EXT

External power supply

Table 13: Connector Pinout in RS-422 Mode

ATTENTION! The power supply is selected on the module board using

the jumpers.

If galvanic separation is required, the converter must use an external power supply.

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B&B Electronics SPECTRE Bedienungsanleitung Seite 27