Watlow CLS200, MLS300 and CAS200 - Manual (Page 7)

Overview
Communications Specification 1
Overview
This reference guide is designed to help applications software
programmers with the following tasks:
• Interface to Watlow Anafaze MLS300, CLS200, MLS and CLS con-
trollers, and the CAS200 and CAS scanners via serial communica-
tions.
• Modify the communications Anafaze protocol driver in the Watlow
Anafaze Communications Driver Kit. (If you have the communica-
tions driver kit, you don’t need to read this manual unless you want
to modify the communications driver.)
In This Manual
The following sections are included in this guide:
Chapter 1: Anafaze/AB Protocol . Gives an overview and explanation
of the Anafaze/Allen Bradley communications protocol.
Chapter 2: Modbus-RTU Protocol. Gives an overview and
explanation of the Modbus-RTU communications protocol
Chapters 1 and 2: Data Table Summary . Provides standard controller
data table maps for the parameters (one for each protocol).
Chapter 3: Parameters Description . Describes each parameter.
Appendix A : Communications driver.
Glossary: Explanation of commonly used terms and acronyms.
NOTE
This reference guide is not a tutorial. It does not explain
how to use the controller; it is not a programming refer-
ence; it also does not explain PID control, alarms, linear
scaling, or other topics that are explained in detail in the
controller manuals. If you need additional information
about a topic covered in this reference guide, consult the
documentation included with your controller.