Parker CM2904 User manual

CM2904 Controller

Instruction Book

Publ no MSG33-4202-IB/UK

Edition 02/2022

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

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.

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

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

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

Precautions

General Safety Regulatio

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

NOTICE

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.

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

How to Use this Manual

Symbol Meaning

Pull-down resistor

Pull-up resistor

Diode

Battery

Fuse

Ground

Chassis ground

3.2. 88CM2904 module revisions

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),

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

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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