B&B Electronics 485LDRC - Datasheet - Manual (Page 2)

485LDRC-0812-2/3
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PRODU
CT INFO
RMATI
O
N
B&B E
LECTR
ON
ICS
Terminal Block Configuration
RS-232
(D) TD (input)
(A) RD (output)
(B) SIG. GND
(F) +10 to 30VDC
(C) PWR. GND
RS-422/485
TDA
(G) Tx inverted or (-) (output)
RDA (K) Rx inverted or (-) (input)
TDB (H) Tx non-inverted or (+) (output)
RDB (L) Rx non-inverted or (+) (input)
ISO. GND (M) Isolated RS-422/485 Signal Ground/Common
Switch Settings (UP = ON)
1 - Tx Enable (On for 485 mode. Off for 422 mode.)
2 - Rx Enable (On for 2-wire 485 mode. Off for 4-wire 485 and 422 mode.)
3 - 2/4 Wire (On for 2-wire/half duplex. Off for 4-wire full duplex.)
4 - 2/4 Wire (On for 2-wire. Off for 4-wire.)
5 - Termination Resistors (On for termination. Off for no termination.)
6 - 9600 Baud (On for 9600, Off for others. See Table 2 for additional baud rates.)
7 - 4800 Baud (On for 4800, Off for others. See Table 2 for additional baud rates.)
8 - 2400 Baud (On for 2400, Off for others. See Table 2 for additional baud rates.)