Fig. 26: Connection To The Router With Data Cable Length More Than 10 M; Table 13: Connector Pinout In Rs-422 Mode - B&B Electronics SPECTRE User Manual

B&B Electronics, Inc.

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
Pin
Signal mark
number
1 SGND
2 SGND
3 RxD-
4 RxD+
5 TxD-
6 TxD+
7 +12V EXT
8 +12V EXT
ATTENTION! The
the jumpers.
If galvanic separation is required, the converter must use an external power supply.
Description
Signal and power supply ground
Signal and power supply ground
Receive Data (-)
Receive Data (+)
Transmit Data (-)
Transmit Data (+)
External power supply
External power supply

Table 13: Connector Pinout in RS-422 Mode

power supply is
Data flow direction
selected on the
27
SPECTRE User Manual
Output
Output
Input
Input
module board using
SPECTRE_User_Manual_2912m
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