Parker CM2904 Bedienungsanleitung
CM2904 Controller
Instruction Book
Publ no MSG33-4202-IB/UK
Edition 02/2022
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 2 of 51
Parker Hannifin Manufacturing Finland Oy
Electronic Motion & Controls Division
Electronic Controls Business Unit
Lepistönkatu 10
FI-30100 Forssa, Finland
Office +358 20 753 2500
http://www.parker.com/emc
Copyright 2009 - 2022 © Parker Hannifin Corporation. All rights reserved. No part of this work
may be reproduced, published, or distributed in any form or by any means (electronically,
mechanically, photocopying, recording, or otherwise), or stored in a database retrieval system,
without the prior written permission of Parker Hannifin in each instance.
WARNING!
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR
SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL
INJURY AND PROPERTY DAMAGE.
This document and other information from Parker Hannifin Corporation, its subsidiaries and
authorized distributors provide product and/or system options for further investigation by users
having technical expertise. It is important that you analyze all aspects of your application and
review the information concerning the product or system in the current product catalog. Due to the
variety of operating conditions and applications for these products or systems, the user, through its
own analysis and testing, is solely responsible for making the final selection of the products and
systems and assuring that all performance, safety and warning requirements of the application are
met.
The products described herein, including without limitation, product features, specifications,
designs, availability and pricing, are subject to change by Parker Hannifin Corporation and its
subsidiaries at any time without notice.
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 3 of 51
Introduction
Safety Symbols
Contents
1. Introduction 5
1.1. Safety Symbols 5
2. Precautions 6
2.1. General Safety Regulations 6
2.1.1. Construction Regulations 7
2.1.2. Safety During Installation 7
2.1.3. Safety During Start-up 7
2.1.4. Safety During Maintenance and Fault Diagnosis 7
3. How to Use this Manual 8
3.1. Diagram Conventions 8
3.2. 88CM2904 module revisions 9
4. Product description 10
4.1. General 10
4.2. Product Characteristics Summary 11
4.3. Main Features & functionality 12
4.3.1. CM2904 basic architecture 12
4.3.2. CM2904 Product functions 12
4.4. Mechanics, general view 13
5. Hardware Specifications 14
5.1. Input / Output (I/O) List by Connector 14
5.2. Input descriptions 15
5.2.1. Analog Input 15
5.2.2. Multifunction Digital Inputs (MDIN) 16
5.2.3. Frequency inputs 16
5.3. Output descriptions 17
5.3.1. PWM Outputs 17
5.3.2. Reference Outputs 18
5.4. Communication Mediums - CAN 18
5.5. Microcontroller 19
5.6. Power Supply input 19
5.7. Power tree 20
5.8. Internal Functions 20
5.8.1. Reference Voltage Measurements 20
5.8.2. Supply Voltage Measurement 20
5.9. Connectors 21
5.9.1. Connector layout & signals 21
5.9.2. Connector Types 21
6. CM2904 Standard software 23
6.1. Messaging 23
6.1.1. General specifications and rules 23
6.1.2. Transmission 23
6.2. CM2904 Message types 24
6.3. Message definitions 25
6.3.1. MDIN 25
6.3.2. ADC1 26
6.3.3. ADC2 27
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 4 of 51
Introduction
Safety Symbols
6.3.4. ADC3 28
6.3.5. FI & DIAG 29
6.3.6. PWM Output Control 30
6.3.7. Diagnostic Message 31
6.3.8. Fault codes 31
7. Module Identification on network 33
7.1. Module ID 33
7.1.1. Module ID Installation Connections 34
7.1.2. Module ID Diagnostics and Fault Protection 34
7.1.3. ID-Tag Resistance Information 34
8. Installation 35
8.1. Installing into vehicle 35
8.1.1. Selecting a Mounting Location 35
8.1.2. Mounting to a Vehicle 36
8.2. Electrical Guidelines 37
8.2.1. Designing the Vehicle Harness 37
8.2.2. Connecting the Vehicle Harness 38
9. Application Examples 39
9.1. Controlling Indicator Lights 39
9.2. Controlling actuators with outputs 40
9.3. Connecting Common Sensors 41
9.3.1. Open Collector Sensors 41
9.3.2. Switch Sensors 42
9.3.3. Voltage Sensors 42
9.3.4. Potentiometer (Ratiometric) Sensors 43
9.4. Connecting rotary encoder 43
10. Start-Up 45
10.1. Start-Up Procedures 45
10.1.1. Starting the Control System 45
10.1.2. Prepare for System Start 45
10.1.3. Start the System 46
11. Summary of Tests 47
11.1. Design Verification Tests 47
12. Glossary of Terms 50
12.1. Glossary of terms 50
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 5 of 51
Introduction
Safety Symbols
1. Introduction
These instructions are meant as a reference tool for the vehicle manufacturer's
design, production, and service personnel.
The user of this manual should have basic knowledge in the handling of electronic
equipment.
1.1. Safety Symbols
Sections regarding safety, marked with a symbol in the left margin, must be read
and understood by everyone using the system, carrying out service work or
making changes to hardware and software.
The different safety levels used in this manual are defined below.
WARNING
CAUTION
NOTICE
Contact the manufacturer if there is anything you are not sure about or if you have
any questions regarding the product and its handling or maintenance.
The term "manufacturer" refers to Parker Hannifin Corporation
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 6 of 51
Precautions
General Safety Regulatio
ns
2. Precautions
2.1. General Safety Regulations
Work on the hydraulics control electronics may only be carried out by trained
personnel who are well-acquainted with the control system, the machine and its
safety regulations.
WARNING
WARNING
WARNING
NOTICE
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 7 of 51
Precautions
General Safety Regulations
2.1.1. Construction Regulations
CAUTION
2.1.2. Safety During Installation
CAUTION
2.1.3. Safety During Start-up
WARNING
Ensure that no one is in front, behind or nearby the machine when first starting up
the machine.
Follow the instructions for function control in the Start-up section.
2.1.4. Safety During Maintenance and Fault Diagnosis
CAUTION
oThe machine cannot start moving.
oFunctions are positioned safely.
oThe machine is turned off.
oThe hydraulic system is relieved from any pressure.
oSupply voltage to the control electronics is disconnected.
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 8 of 51
How to Use this Manual
Diagram Conventions
3. How to Use this Manual
This manual describes the CM2904 -module – hardware, - standard software, -
module installation and gives examples of its use.
3.1. Diagram Conventions
There are many connection diagrams found throughout this manual. The following
table provides meanings for the different symbols used in those diagrams:
Symbol Meaning
General input
General output
Frequency input
Analog input
Frequency sensor
Resistive sensor
General sensor
Application switch
Load
Resistor
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 9 of 51
How to Use this Manual
Symbol Meaning
Pull-down resistor
Pull-up resistor
Diode
Battery
Fuse
Ground
Chassis ground
3.2. 88CM2904 module revisions
HW
Rev #
Description Change log
(changes made in relation to previous version)
1.0 Production version
2.0 Update Contact information update, chapter 5.9.1 Connector layout
picture corrected (5pin/12pin Vref),
CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 10 of 51
Product description
General
4. Product description
4.1. General
The CM2904 is a small module that has standard software for J1939 network (with
proprietary CAN messages) for expanding the system I/O.
CM2904 can be utilized as interface to CAN bus. It takes measuring data from buttons,
switches, potentiometers and/or joysticks- e.g. it provides interface for control elements
and communication to terminal It can be used for indoor cabin –applications for
example in tractors, forest machines, construction equipment’s etc.
CM2904 I/O is usable in any application. Applications are mainly limited by
mechanical construction.
ECU
ECU
CM2904
Terminal
CAN BUS (J1939)
OUT1
OUT2
OUT3
OUT4
IN1
IN2
IN19
CAN BUS (J1939)
CAN
device
CAN BUS
CAN1
CAN2
AIN1
AIN8
FIN1
FIN2
Buttons, swithes
etc...
Potentiometers,
sensors, joystics
etc..
Sensors etc..
Solenoid valves,
proportional valves,
lamps, leds etc..
Figure 1: General system overview where CM2904 is operating
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