Summary of Contents for HORNER HE800JCM200
- Page 1 User Manual for HE800JCM200 SmartStack SAE J1939 Communication Module 14 May 2002 MAN0484-01...
- Page 3 This manual explains how to use SmartStack SAE J1939 Communication Modules. Copyright (C) 2002 Horner APG, LLC., 640 North Sherman Drive Indianapolis, Indiana 46201. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval...
- Page 4 Any example programs and program segments in this manual or provided on accompanying diskettes are included solely for illustrative purposes. Due to the many variables and requirements associated with any particular installation, Horner APG cannot assume responsibility or liability for actual use based on the examples and diagrams. odule...
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Page 5: Table Of Contents
PREFACE 14 MAY 2002 PAGE 5 MAN0484-01 Table of Contents CHAPTER 1: INTRODUCTION......................7 Overview ..........................7 Product Description .......................7 Functional Description ......................7 Technical Support .........................8 CHAPTER 2: OPERATION ........................ 9 General..........................9 Two Communication Methods for Handling Data ..............9 Scanning ..........................9 Transmit Channel ........................ - Page 6 PAGE 6 14 MAY 2002 PREFACE MAN0484-01...
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Page 7: Chapter 1: Introduction
CHAPTER 1: INTRODUCTION Overview The HE800JCM200 is a SmartStack SAE J1939 Communication Module. SAE J1939 (J1939) is a CAN- based protocol used in truck and bus control communications networks. There are various layers to the J1939 protocol that are described in SAE J1939 documents. J1939 uses a 29-bit identifier requiring hardware that can support CAN 2.0B. -
Page 8: Technical Support
PAGE 8 14 MAY 2002 CH.1 MAN0484-01 Technical Support For assistance, contact Technical Support at the following locations: North America: (317) 916-4274 or visit our web site at www.heapg.com. Europe: (+) 353-21-4321-266... -
Page 9: Chapter 2: Operation
CH. 2 14 MAY 2002 PAGE 9 MAN0484-01 CHAPTER 2: OPERATION General Chapter Two covers operational information for the JCM200. Two Communication Methods for Handling Data The JCM200 can request and monitor data from and transmit data to devices on the J1939 network. There are two communication methods used for handling data. -
Page 10: Transmit Channel
PAGE 10 14 MAY 2002 CH. 2 MAN0484-01 Transmit Channel The Transmit Channel can be used one of two ways. It can be used to send data to a device on the network or it can be used as low priority request to retrieve data from a device on the network. The complete Transmit Channel uses 11 %AQs, 2 %Qs and 2 %Is. -
Page 11: Transmit Channel Operation Overview
CH. 2 14 MAY 2002 PAGE 11 MAN0484-01 Table 2.3 - %Q Definitions for Transmit Channel Description %Q Register Transmit Command Type of Transmit (0 for send data) Qx+1 Table 2.4 - %I Definitions for Transmit Channel Description %I Register Transmit Complete Transmit Error Ix+1... -
Page 12: Low Priority Request
PAGE 12 14 MAY 2002 CH. 2 MAN0484-01 2.4.4 Low Priority Request When the transmit channel is used to a low priority request to a device on the network then the first 4 %AQs, 2 %Qs, 2 %Is, and a defined number of %Rs are used. Low Priority Request Register Use: The %AQs contain the information to be transmitted. -
Page 13: Chapter 3: Configuration
CH. 3 14 MAY 2002 PAGE 13 MAN0484-01 CHAPTER 3: CONFIGURATION General Chapter Three covers the configuration of the JCM200. The purpose of the configuration is to allow communication between an OCS/RCS and an Engine Control Module. Note: To perform this configuration, it is necessary to consult the engine manufacturer’s user documentation to determine parameter numbers and the corresponding number of words for each parameter. - Page 14 PAGE 14 14 MAY 2002 CH. 3 MAN0484-01 Figure 3.2 – Select the Comm tab b. Next, double-click on the empty slot in which the JCM200 module will reside, or click on the Config button to the right of the slot position. This invokes the Add I/O Module screen. Click on the Comm tab. From that dialog, select the JCM200 module, and click OK.
- Page 15 CH. 3 14 MAY 2002 PAGE 15 MAN0484-01 d. The following screen appears: Two tabs are available for selection: Figure 3.4 – Module Configuration I/O Map Tab NOTE: Ignore this s creen at this point. %AI registers can be varied during configuration; they are not fixed.
- Page 16 PAGE 16 14 MAY 2002 CH. 3 MAN0484-01 e. The following screen appears. Standard Configuration focuses on 3 register types: %Q, %AQ, %I. These types have a fixed number of registers. This screen is used to map the OCS %AI Scan Setup registers that contain focuses on %AI register...
- Page 17 CH. 3 14 MAY 2002 PAGE 17 MAN0484-01 Scan Setup Configuration Scan Setup Configuration Overview: A single PGN can contain multiple bytes of parameter information. That information needs to be defined for each PGN in order for the JCM to understand what PGN data is to be stored into the corresponding %AIs.
- Page 18 PAGE 18 14 MAY 2002 CH. 3 MAN0484-01 Number of Words: This value represents the number of words from the PGN data to store into %AIs. A PGN could contain 8 words of data. If only the first 4 words are needed then this value would be set to 4. (Requires a number to be entered between 1 - 50.) Starting Word: This value represents an index into the PGN data.
- Page 19 During the configuration, it is possible that the following screen appears. In the event that it does appear, press the HE800JCM200 Configurator button (located on the Menu bar at the very bottom of the screen) to return to the configuration screen. This screen simply prompts you to close the JCM200 editor to continue.
- Page 20 PAGE 20 14 MAY 2002 CH. 3 MAN0484-01 Figure 3.10 – Module Setup Tab j. To save or cancel your settings, be sure to return to this screen and press OK or CANCEL.
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