Connecting the host device – Rockwell Automation 2755 Enhanced Decoder Series B User Manual

Page 55

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4–16

Installing the Decoder

Publication 2755-833

The AUX port on the NEMA Type 4 decoder has a 19-pin (male)
connector and communicates over an RS-232 serial communication
line. Figure 4.8 shows terminals you can connect to the AUX port of
the NEMA Type 4 decoder.

Figure 4.8 Connecting terminal to AUX port of NEMA Type 4
decoder

Configuration

Manual

Data Entry

Supported Terminal Types

① Use the Cat. No. 2755-CT1 communication cable
or construct your own cable using the
Cat. No. 2755-NC17 Connector Kit and pinouts
shown in Appendix D.

Allen-Bradley Industrial Terminals
1771-T1, -T2, -T3

Allen-Bradley 1784-T45 Laptop Terminal

DEC VT100

Lear Siegler ADM 3E

Computer or terminal that emulates

HOST

RS-232 /422 /485

SCANNER A SCANNER B

AUX

RS-232

one of the above

See Appendix D for details on connecting each terminal. See
Chapters 5 through 14 for details on using a terminal to configure the
decoder and to monitor operations.

The HOST port allows the exchange of data between a host
computer and the decoder. A host computer can configure the
decoder, remotely control the decoder, receive messages and data
from the decoder, and exchange messages with the AUX terminal.

The HOST port on the NEMA Type 1 decoder is configured as
shown below, and communicates over an RS-232, RS-422, or
RS-485 communication line. It has a 25-pin (female) D shell
connector. Figure 4.9 shows host devices you can connect to the
HOST port of the NEMA Type 1 decoder.

Connecting the
Host Device

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