Instruction Sheet User guide

Smart Communications Card
2
Publication
1403-5.1
Product Description
Chapter
Objectives
After completing this chapter
, you should be able to
identify the product features and system applications.
Introduction
The Cat. No. 1403-NSC Smart Communications Card is
a microprocessor-controlled dual-port communication
plug-in accessory to the Powermonitor II Master Module.
This accessory provides the Powermonitor II with two
active communication ports which can be used at the
same time. Required configuration parameters (R I/O
rack address, baud rates, etc.) are provided by
configuring the Master Module. One port is dedicated to
the Allen-Bradley PLC
R I/O network and the other
port is software configurable for either EIA Standards
RS-232C or RS-485. (There are no hardware options to
configure when the card is installed.)
Performance Features
The Smart Communication Card performance features
include:
PLC via R I/O
SLC 500 via R I/O with (1747-SN) Series B or later
scanner module
SLC 500 via DF-1 master slave protocol
R I/O Baud rates: 57.6K baud-230K baud
Serial Baud rates: 1,200–19,200 baud
Simultaneous R I/O and serial communication
124 units per subnet, 255 per network via RS-485
500 V isolation on communications ports
Fully software configurable, no hardware jumpers
required
Figure 1. Cat. No 1403-NSC Communications Module
Serial Transmit (TXD) LED
Serial Receive (RXD) LED
Finger hold
Captive fastening screw
Connector
R I/O Active LED