Functional Specifications - ProSoft Technology MVI69-GSC CompactLogix User Manual

MVI69-GSC ♦ CompactLogix or MicroLogix Platform
Generic ASCII Serial Communication Module

5.1.3 Functional Specifications


ASCII Communication ports 1 & 2 (PRT1, PRT2)
o Both ports are capable of transmitting and/or receiving ASCII character strings.
Each port is individually configurable:
Termination types
o
o Stream mode
Termination character(s)
o
Message timeout
o
Intercharacter timeout
o
Packet size limit
o
Baud rate: 110 to 115.2K baud
o
Parity: none, even, odd
o
Stop bits: 1 or 2
o
Data bits: 5 to 8
o
RTS on/off timing: 0 to 65535 milliseconds
o
o Minimum response delay: 0 to 65535 milliseconds

Handshaking (optional)
o Hardware: RTS/CTS, DTR/DSR
Software: XON/XOFF
o

ASCII character strings up to 4096 characters in length supported

Full hardware handshaking control provides radio, modem and multi-drop support

User-definable module memory usage, supporting the storage and transfer of up to
4000 registers to/from the control processor

Module error and status conditions returned to processor for diagnostic purposes
Module status
o
o Port error status word (bit mapped)
Port receive state
o
Port receive character count
o
Port receive block count
o
o Port transmit state
Port transmit character count
o
Port transmit block count
o

All data related to the module is contained in a single controller tag with defined
objects to simplify configuration, monitoring and interfacing with the module

Module configuration and communication configuration data is transferred to the
module via a predefined user data type in the processor
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