GE 994-0089 User Manual
GE
Energy
D400 Substation Data Manager User's Manual
51
4-Wire Connections
In 4-wire mode, the RS-485 Adapter supports a maximum of 32 transceivers per channel
(64 devices per RS-485 Adapter card).
See section “3.4 RS-485 Adapter” for configuration options.
(64 devices per RS-485 Adapter card).
See section “3.4 RS-485 Adapter” for configuration options.
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To connect RS-485 4-wire type devices to the RS-485 Adapter, use the
following wiring connection:
Note: Before wiring devices, ensure that the RS-485 Adapter is configured to 4-wire
mode (see section “3.4 RS-485 Adapter”).
mode (see section “3.4 RS-485 Adapter”).
Device 1
RX-
RX+
TX-
TX+
Device 2
RX-
RX+
TX-
TX+
Device 3
RX-
RX+
TX-
TX+