Specifications

Model:

485DSS

Size:

4.8"L x 2.15"W x 0.9"H

Power:

+11 to 16 Vdc 75mA

RS-232 Connection:

DB-25 male (DTE configured)

RS-485 Connection:

Terminal Blocks

Communications:

9600 baud, no parity, 8 data bits, 1 stop bit

Figure 2. Top View of Circuit Board

Port Configuration

The 485DSS has a RS-485/422 port and a RS-232 port. The RS-485/422 signals are on terminal blocks. Table 1 shows you the pinouts and Figure 2 shows you the location of the terminal blocks. The RS-232 signal, in the DTE configuration, connects to a DB25 male connector. Table 2 shows you the RS-232 pinouts.

RS-485/422 Port

The RS-485 port on the 485DSS receives and transmits data to and from the RS-485 network. The RS-485 port has a balanced differential line driver and receiver. RS-485 allows up to 32 driver and receiver pairs to share a two-wire party line network. This port will operate on a 4-wire network and is compatible with RS-422 devices. Refer to B&B Electronics’ free RS-422/485 Application Note for more information. Refer to Appendix C for cable charts.

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485DSS3298 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 434-7094

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B&B Electronics 485DSS manual Specifications, Port Configuration, RS-485/422 Port