ProSoft Technology MVI69-GSC - Manual (Page 72)

Reference MVI69-GSC ♦ CompactLogix or MicroLogix Platform
User Manual Generic ASCII Serial Communication Module
Page 72 of 102 ProSoft Technology, Inc.
September 24, 2010
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:
o
Termination types
o
Stream mode
o
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
Minimum response delay: 0 to 65535 milliseconds
Handshaking (optional)
o
Hardware: RTS/CTS, DTR/DSR
o
Software: XON/XOFF
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
o
Module status
o
Port error status word (bit mapped)
o
Port receive state
o
Port receive character count
o
Port receive block count
o
Port transmit state
o
Port transmit character count
o
Port transmit block count
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