3.6.5 Shield grounding
The shields of the twisted-pair cables need to be grounded using the grounding terminal
on the Emerson 1410S, and it should be taped back on the Emerson 781S side.
3.6.6 Terminating resistors
Five DIP switches are provided to enable various terminating resistors to the RS-485
(Modbus
®
) data bus. The switches are found inside the electronics housing, located in the
square opening of the shroud on the upper left side (Figure 3-7). The switches number left
to right going down from 5 to 1. The downward position on the switch is ON.
Five DIP switches are provided to enable various terminating resistors to the RS-485 data
bus. Terminating resistors are on the Emerson 781S connection (120 ohm) are always
enabled.
Reference Manual Installing the Gateway
00809-0600-4410 May 2020
Emerson 1410S/781S 29
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