Omega Products CN8500 Installation Manual

User’s Guide

TM

www.omega.com

e-mail: [e-mail]

C N 8 - S W

Communications Software

for CN8200 & CN8500 Series Contro l l e r s

TM

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Tel: [phone]
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For immediate technical or application assistance:

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Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA
Customer Service: 1-800-622-2378 / 1-800-622-BEST
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TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA

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En Espan~ol: [phone]-7803
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It is the policy of OM EGAto comply with all world wide saf e ty and EM C / EMI re gula t ions that app l y.OM EGAis const antly pursuing cert ifi ca t ion of
its products to the Europ ean New A pproach Direct ive s.OM E GA will add the CE mark to every appropria te devi ce up on cert ifi ca t ion.

The inf orma t ion cont a ined in this do c ument is beli eved to be correct,but OM EGAEngine ering, In c.a ccepts no liab i lity for any errors it cont a ins,
and re s erves the ri ght to alter specifi ca t ions without not i ce.
WARNING: These products are not de si gned for use in,and should not be used for,p a t i ent - c onnected app li ca t ions.

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Daimlerstrasse 26, D-75392
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Toll Free in Germany: 0800 TC-OMEGA
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River Bend Technology Centre
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Manchester M44 5EX England
Tel: [phone]
FAX: [phone]

Freephone: 0800-488-488
e-mail: [e-mail]

SM

Features

Login/Logout Operator Security
with Password Protection and
Multiple Security Levels

Automatic Controller Detection
User-Defined Controller IDs
Switchable Graphic and Text View
Easy Viewing/Editing

of Parameters
Adds Two Local Alarms

for Each Controller
Programmable Data Logging

Frequency
Real-Time Graph Windows
DDE-compatible

Introduction

Congratulations on your purchase of CN8-SW Remote
Monitoring and Control Software. With this software,
you can control up to 255 Omega Series CN8200 and
CN8500 controllers connected via an RS-485 network
using an IBM-compatible computer. You will need the
following minimum hardware and software configura­tion:

■ IBM PC or 100% compatible, 386SX or better

■ Minimum of 1 MB of free hard-disk space,

additional space for logging

■ MS-DOS 5.0 (or later) and Microsoft Windows 3.1,

Windows 95/NT

■ RS-485 interface or RS-232-to-RS-485 converter

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Table of Contents

We suggest that you glance through this instruction
manual before installing this software in order to
become acquainted with its features and operation.
You should also have a familiarity with the basic
operating procedures of the CN8200 or CN8500
controllers.

If you have questions or require any assistance with
installation or operation, please contact Omega at
1-800-622-2378.
As with all computer disks, this master disk should
not be exposed to extreme heat or electromagnetic
fields. If the disk is damaged or unreadable, notify us
immediately.

IBM and Lotus 1-2-3 are registered trademarks of International Business Machines
Corporation.
Microsoft, MS-DOS and Excel are registered trademarks of Microsoft Corporation.
Windows is a trademark of Microsoft Corporation.
Lotus 1-2-3 is a registered trademark of Lotus Development Corporation.

©Copyright 1999, Omega Engineering.

Communications Setup

6

Controller Setup and Functions

8

Switching Views

9

Data Logging

14

Graphing

15

Ramp/Soak Feature

16

DDE Server Information

17

CN8-SW DDE conversation

21

parameters summary

Warranty Information

22

4

5

Communications Setup

Communications Setup (cont.)

This software is designed for bidirectional communica­t i o n s

to Omega CN8200 or CN8500 controllers
connected via an RS-485 to RS-232 converter to an
available serial port on your computer. After you have
successfully logged in, follow these setup instructions
carefully.

1. Verify that all controllers on the network are

configured to use the same baud rate, and that
they have been assigned different network IDs.

2. From the OPTIONS menu,

select COMMUNICATIONS.
The COMMUNICATIONS
SETUP window will appear
(Figure 1).

3. Scroll and select the

CONNECTOR PORT for

your RS-232 interface.

4. Scroll and select the

appropriate BAUD RATE.

5. Scroll and select the

appropriate DATA
FORMAT, e.g., n, 8, 1
(parity, data bits, stop bits).

The optimal settings for
polling fre q u e n cy and time ­out are dependent on baud
rate. Too fast a setting is
undesirable. Ex. At 2400
baud, a polling frequency
faster than 200 ms may
cause the controllers to
stop responding.

Figure 1.

Communications

Setup Window.

6. For now, do NOT change the default POLLING
FREQUENCY or the TIMEOUT frequency (1000

milliseconds).

7. When all settings are correct, click on the OK
button. After the program is operational, you
may go back and change the default polling
frequency and timeout values. The lower these
values are, the faster the program will update
c o n t roller information. The optimal settings for
polling frequency and timeout are dependent
on baud rate. Too fast a setting is undesirable.
Ex. At 2400 baud, a polling frequency faster
than 200 ms may cause the controllers to
stop re s p o n d i n g .

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