Antx DiaLog Elite User manual

DiaLog Elite
Modbus Master Interface Manual
Publish Date: August 1, 2003
Document Version 1.2

Copyright and Trademark Information
All Pages Copyright © 2001 Antx, inc. All Rights Reserved.
U.S. Government Users Restricted Rights. Use, duplication, or disclosure by
the Government is subject to restrictions as set forth in applicable laws and
regulations. Use of the materials by the Government constitutes
acknowledgment of Antx's proprietary rights in them. This manual may contain
other proprietary notices and copyright information that should be observed.
Information in this document is subject to change without notice. The software
described in this document is furnished under a license agreement or
nondisclosure agreement. The software may be used or copied only in
accordance with the terms of those agreements. No part of this publication may
be reproduced, stored in a retrieval system, or transmitted in any form or any
means electronic or mechanical, including photocopying and recording for any
purpose other than the purchaser’s personal use without the written permission
of Antx, inc.

Version 1.2
Contents
About this Guide ........................................................................................................................................................................iii
About this Guide ........................................................................................................................................................................iii
Who Should Use this Guide..................................................................................................................................................iii
How to Use this Guide..........................................................................................................................................................iii
Conventions Used in this Guide........................................................................................................................................... iv
1 What is the Modbus Master Interface Option?.....................................................................................................1
2 Initializing the Modbus Master Interface Option..................................................................................................3
From the front panel...................................................................................................................................................................4
Remotely over a phone..............................................................................................................................................................5
3 Mapping Elite channels to Modbus registers.......................................................................................................7
Programming channel parameters.............................................................................................................................................9
Digital Inputs.......................................................................................................................................................................10
Analog Inputs......................................................................................................................................................................11
Relay Outputs.....................................................................................................................................................................13
4 Running the Modbus Master Interface................................................................................................................15
Viewing Alarms........................................................................................................................................................................15
Modbus Comm. Failure Alarm............................................................................................................................................16
I/O channel alarm................................................................................................................................................................16
Confirming Modbus Slave Communication..............................................................................................................................16

DiaLog Elite PLC Interface Manual
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DiaLog Elite PLC Interface Manual
© Antx, inc. 2001 Version 1.2 iii
About this Guide
This guide is intended to describe how to install and configure the DiaLog Elite PLC
Interface Option. The PLC Interface Option allows the Elite to act as a Modbus Master to
communicate with a PLC as a Modbus Slave.
Who Should
Use this
Guide
This manual is intended for use by operations technicians who are responsible for installing
and configure the DiaLog Elite hardware.
How to Use
this Guide This guide is divided into the following chapters:
Chapter 1, What is the Modbus Master Interface Option. Describes the capabilities of the
Modbus Master interface option.
Chapter 2, Initializing the Modbus Master Interface Option. Describes how to set up the
Interface for operation with a PLC or Modbus I/O.
Chapter 3, Mapping Elite channels to PLC registers. Describes how to program the Elite I/O
channels to reference Modbus Slave registers.
Chapter 4, Running the Modbus Master Interface. Describes how to view the current status
of the Modbus Master Interface in real-time.
In this manual, the terms DiaLog Elite and DiaLog are used interchangeably.

DiaLog Elite PLC Interface Manual
Conventions
Used in this
Guide
To help you understand the information in this guide, a consistent set of documentation
conventions are used to represent certain material.
The following table describes the typographic conventions used in this guide to help you
locate and interpret information.
Convention Description
Italic text Indicates a parameter that you can set.
EXAMPLE:
DiaLog accepts a return call as an acknowledgement of all
alarms if you enable the Call In Acknowledge feature. The call
must come during the 30-second Between Calls Delay, or
DiaLog calls the next number on the list.
Courier font Indicates messages shown on the DiaLog display or information
printed on reports.
EXAMPLE:
If parameters for channel 7 were set up as follows, then this
message appears on the pager’s display:
NORTHWEST FACILITY-7 NO 2 TANK LEVEL HI 101.5
GALS
“Text enclosed in
quotes”. Indicates messages that DiaLog speaks.
EXAMPLE:
The power on diagnostics take about 45 seconds to complete,
followed by the voice announcing:
“This is DiaLog Elite. Program mode activated. System is
armed. System ready. Enter selection.”
Picture of key from
front panel
Home ,1
Prog ,2 Run ,#
Enter ,Ack
Clear
Arm
Reset ,Disarm
Bks
p
,0
Status ,5 S
p
krPh
These keys are used when a special key on the front panel must
be pressed to accomplish a task.
EXAMPLE:
Press Home 2
Run to enter RUN mode.
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DiaLog Elite PLC Interface Manual
© Antx, inc. 2001 Version 1.2 v
Convention Description
Small rectangular
representation of key
0.1 2 3.4.5.
.6 7.8.9.0.*.
.#.F1.F2.F3.F4.
Indicates keys to press when entering parameter values at the
keypad or when communicating with the DiaLog via a touch-
tone telephone.
EXAMPLE 1:
The person answering the call acknowledges it by pressing the
.* , 8 or 9 key on a Touch-Tone telephone.
EXAMPLE 2:
In Chapter 7, Programming the DiaLog Elite, 0 - 2 in the
What you Enter column means to enter a value between 0 and
2.
Small rounded
rectangular
representation of a key
These keys are used in Chapter 7, Programming the DiaLog
Elite, to indicate menu selections. These are used in both the
Road Map and the Menu Sequence headings.
0123 EXAMPLE:
4567 9Æ0Æ3
8 9 Means to press the keys 9, 0 and 3 to reach the command.
Road Map ÞThis heading and icon is used at the beginning of a function
description to indicate the complete key sequence that the user
takes to reach the function being described. The Road Map also
includes other parameters within that function.
EXAMPLE:
Channel
Configuration
Relay
Output
Channels
Channel
Number
9Æ3
Æn n
0 Pulse Duration [0-65535]
1 De-energize Relay on Ack.[0-1]
2 Channel Mode [0-1]
3 Channel Alpha ID [A-Z, 0-9]
Description This heading and icon is used to present an overview of the
function being discussed.
Field Summary This heading and icon is used to list all parameters that must be
entered for the function. The heading includes the name of the
Field, Range of values that can be entered, and Factory
Setting.
EXAMPLE:
Field Range Factory Setting
Alarm Delay 0-65535 seconds 3

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Convention Description
Menu Sequence ÆThis heading and icon is used to list the menu keys that must be
pressed to reach the command being discussed.
CAUTIONaThis heading and icon in the margin indicates a special concern
that you should take into consideration when performing an
action. Cautions not followed could result in danger.
WARNING!ÌThis heading and icon in the margin indicates advice to heed
when performing an action. Warnings not followed could result
in damage to the equipment or personal harm.
NOTE This heading and icon in the margin indicates any exceptions or
additional points to the topic being discussed.
EXAMPLE ¾This heading and icon in the margin indicates that the text
contains an illustration of a point being discussed.