Introduction to Modbus, Character Mode and Uni-telway Communications
(Original Document)
About us
At a Glance
The communication function is used to exchange data between all devices connected on a bus or network.
This function applies to:
specific in-rack mounted communication modules
processors via the terminal port or via PCMCIA cards
Type of Communication
The communication functions covered in this manual are:
Modbus
Character Mode
Uni-Telway
Hardware Installation
The three functions all require the installation of the following hardware devices:
TSX SCY 21601
module
TSX SCP 111, 112, 114
PCMCIA cards
The Modbus function is also provided by the
TSX SCY 11601
module.
Software Installation
The section on software installation in this manual is identical to that for Premium and Atrium PLCs.
