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CM2904 Controller
Instruction Book
Publ no MSG33-4202-IB/UK
Edition 02/2022

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Summary of Contents for Parker CM2904

  • Page 1 CM2904 Controller Instruction Book Publ no MSG33-4202-IB/UK Edition 02/2022...
  • Page 2 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.
  • Page 3: Table Of Contents

    Connector Types 6. CM2904 Standard software 6.1. Messaging 6.1.1. General specifications and rules 6.1.2. Transmission 6.2. CM2904 Message types 6.3. Message definitions 6.3.1. MDIN 6.3.2. ADC1 6.3.3. ADC2 CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 3 of 51...
  • Page 4 10.1.1. Starting the Control System 10.1.2. Prepare for System Start 10.1.3. Start the System 11. Summary of Tests 11.1. Design Verification Tests 12. Glossary of Terms 12.1. Glossary of terms CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 4 of 51...
  • Page 5: Introduction

    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: Precautions

    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. ARNING ARNING ARNING OTICE CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 6 of 51...
  • Page 7: Construction Regulations

    Functions are positioned safely. o The machine is turned off. o The hydraulic system is relieved from any pressure. o Supply voltage to the control electronics is disconnected. CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 7 of 51...
  • Page 8: How To Use This Manual

    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...
  • Page 9: 88Cm2904 Module Revisions

    3.2. 88CM2904 module revisions Description Change log Rev # (changes made in relation to previous version) Production version Update Contact information update, chapter 5.9.1 Connector layout picture corrected (5pin/12pin Vref), CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 9 of 51...
  • Page 10: Product Description

    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...
  • Page 11: Product Characteristics Summary

    GND Product Size Outer dimensions 130 x 90 x 30 mm Case Material Polycarbonate Weight 150g Storage conditions Continuous: 20ºC ± 20ºC Temporary: -40ºC …+85ºC Humidity: Non-condensing CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 11 of 51...
  • Page 12: Main Features & Functionality

    - Control PWM outputs in frequency, ramp or ON/OFF modes. - J1939 compliant communication layer with CAN 2.0b protocol. - Self-diagnostics and error reporting. - Provide 5 V and 8 V reference voltages. CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 12 of 51...
  • Page 13: Mechanics, General View

    Product description Mechanics, general view 4.4. Mechanics, general view Figure 3: Mechanical view of CM2904. LED’s are visible through transparent gasket. LED’s location are shown in the picture above with arrow. Figure 4: Dimensional drawing of CM2904 CM2904 Instruction Book ©...
  • Page 14: Hardware Specifications

    VBAT+ VBAT+ +5Vout MDIN_1 MDIN_2 MDIN_3 MDIN_4 Table 4: Connector X2 pins Pin Number Description AIN_3 AIN_4 AIN_5 AIN_6 AIN_7 AIN_8 FRQ_1 FRQ_2 CAN_2_HI CAN_1_HI CAN_1_LO CAN_2_LO CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 14 of 51...
  • Page 15: Input Descriptions

    Table 5: Analog input specifications Element Unit Count Input voltage range Pull-down resistance (24 V 20,7 kΩ system) Cutoff frequency Over-voltage Resolution Accuracy ADC reference voltage Reference voltage tracking CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 15 of 51...
  • Page 16: Multifunction Digital Inputs (Mdin)

    Input works in this configuration with NPN type sensors No open wire detection for sensor • If used critical signals, normally closed - sensor type should be used • CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 16 of 51...
  • Page 17: Output Descriptions

    The following sections provide detailed descriptions for each output pin-type. Refer also to previous section 5.1 for I/O –list. 5.3.1. PWM Outputs In CM2904 these are High side -type of outputs with following features: • Outputs can be used to control different types of loads: ON/OFF type solenoids Current feedback to µC ADC...
  • Page 18: Reference Outputs

    A duty cycle of 50% will produce the worst case average current flow through these two devices. 5.3.2. Reference Outputs There is two sensor supply / reference outputs in CM2904: +5V and +8V Table 9: Specifications for Sensor supply +5V Element Unit...
  • Page 19: Microcontroller

    Over-voltage Startup threshold Input current Diagnostic LED indicator Even CM2904 can operate with 24V system voltage, its tested mainly with 12V OTICE system voltage. Refer to chapter 11- Design Verification Tests to check the compatibility against the environmental test requirements.
  • Page 20: Power Tree

    Measure MDIN22 regulator +8VOut (8V) A=1,6 Figure 5: CM2904 power supply architecture - internal connections 5.8. Internal Functions The following sections describe the internal functions for this product. 5.8.1. Reference Voltage Measurements Implemented for both reference voltages Voltage range 0…32V •...
  • Page 21: Connectors

    CAN_1_LO MDIN_19 MDIN_20 CAN_2_LO Figure 6: Connector layout of CM2904 5.9.2. Connector Types The following table presents the CM2904 connector types: Table 12: CM2904 connector types Component Part Number Manufacturer IL-AG5-16P-D3T2 IL-AG5-30P-D3T2 The following table lists the components, which forms the mating connectors for...
  • Page 22 IL-AG5-C1-7500 Plug connectors (Table 13) are not part of the module delivery! OTICE Connector kit for CM2904 is available separately from Parker, item: 88JCM2904K2- see. For more information, see “CM Accessories Catalogue HY33-4910_UK”. CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation...
  • Page 23: Cm2904 Standard Software

    CM2904 Standard software Messaging 6. CM2904 Standard software The CM2904 has standard software, which is programmed into module in Parker production. Software follows the J1939 standard for vehicle communication network and the functionality comprehends following: Measure and report digital-, analog - and frequency input values Control PWM outputs in frequency, ramp or ON/OFF modes •...
  • Page 24: Cm2904 Message Types

    FI & DIAG Frequency Inputs and Diagnostics o FI 1: 0-1024 Hz o FI 2: 0-1024 Hz o 12 bit Quadrature encoder counter (default value 2048) o Diagnostics: CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 24 of 51...
  • Page 25: Message Definitions

    Parameter group number: (FF04hex) Table 15: MDIN Byte Bit / Bits Description Type Values MDIN5 Measurement 00=disabled (open) 01=enabled (conn. MDIN6 Measurement To +5V ref) MDIN7 Measurement 10=error (shorted) CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 25 of 51...
  • Page 26: Adc1

    Not used Measurement Not used Measurement Not used Measurement 6.3.2. ADC1 Transmission repetition rate: - Forced update period=100ms, - Otherwise update period = 20ms on signal changes CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 26 of 51...
  • Page 27: Adc2

    MDIN4 Measurement 0…32000mV 6.3.3. ADC2 Transmission repetition rate: - Forced update period=100ms, - Otherwise update period = 20ms on signal changes Data length: 8 Bytes Default priority: CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 27 of 51...
  • Page 28: Adc3

    - Otherwise update period = 20ms on signal changes Data length: 8 Bytes Default priority: Parameter group number: (FF03hex) Table 18: ADC3. 5 – 8; 0..8V range CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 28 of 51...
  • Page 29: Diag

    Parameter group number: (FF05hex) Table 19: Message description for Frequency inputs and diagnostics Byte Description Type Values Frequency Input 1 signal FI1 Measurement 0…1021 Hz 1022=error 1023=Not available CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 29 of 51...
  • Page 30: Pwm Output Control

    PWM 4 diagnostic 6.3.6. PWM Output Control Timeout: 250 ms (DM1 message generated) Data length: 8 Bytes Default priority: Parameter group number: (FECAhex) Table 20: PWM CONTROL CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 30 of 51...
  • Page 31: Diagnostic Message

    6.3.8. Fault codes Table 21: Fault codes Fault Description PWM1 Short circuit PWM1 Open load PWM2 Short circuit PWM2 Open load PWM3 Short circuit PWM3 Open load CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 31 of 51...
  • Page 32 CM2904 Standard software Message definitions Fault Description PWM4 Short circuit PWM4 Open load Output Command Timeout Missing or invalid parameters CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 32 of 51...
  • Page 33: Module Identification On Network

    In case CAN address needs to be changed and different ID-Tag is applied, boot- up is required for module to obtain new id. For defining the module ID, the CM2904 has one module ID interface consisting of an analog module ID input: and +V reference voltage output: •...
  • Page 34: Module Id Installation Connections

    Module Identification on network Module ID The ID-Tag defining the address for the module shall be inserted to the CM2904 7.1.1. Module ID Installation Connections connector positions MDIN20 (Idtag) and +8VOut. The following shows a typical module ID connection: CM0711...
  • Page 35: Installation

    Before mounting the CM2904, ensure you review the following environmental and mechanical requirements. Do not install the CM2904 close to any significant heat sources, such as a turbo, OTICE exhaust manifold, etc. Also avoid installing the CM2904 near any drive-train component, such as a transmission or engine block.
  • Page 36: Mounting To A Vehicle

    Installation Installing into vehicle ° ° Safe operating temperature range is –30 The CM2904 must be in an environment that does not exceed its water or C to +85 ο particle ingress rating. • The sealing standard for the CM2904 is IP20 or IP54 depending on mounting direction.
  • Page 37: Electrical Guidelines

    An I/O connection kit for building harnesses for the product is available from NFORMATION Parker. The kit includes mating connector plugs and socket contacts for connecting one CM2904 module. The part number for the kit is 88JCM2904K2. Please consult your Parker Account Representative for specific details and pricing information. CM2904 Instruction Book ©...
  • Page 38: Connecting The Vehicle Harness

    Installation Electrical Guidelines Once the vehicle harness is designed, it can be connected to the CM2904 simply by 8.2.2. Connecting the Vehicle Harness clicking the mating connector into the connector port on the CM2904. CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation...
  • Page 39: Application Examples

    Application Examples Controlling Indicator Lights 9. Application Examples The purpose of this section is to provide examples of how the CM2904 can be used for different purposes. The following examples are covered in this section: Controlling indicator lights Controlling actuators •...
  • Page 40: Controlling Actuators With Outputs

    NFORMATION communicating with CM2904. CM2904 gets the commands for performing the operations from the master module via CAN -bus. CM2904 also sends the measurement data through CAN –bus to master unit. If large inductive loads are used, and the high side output is providing a continuous...
  • Page 41: Connecting Common Sensors

    Application Examples Connecting Common Sensors 9.3. Connecting Common Sensors There are many types of sensors that can be connected to the CM2904, the most common are as follows: Open collector sensors Switch sensors • Voltage sensors • Potentiometer (ratiometric) sensors •...
  • Page 42: Switch Sensors

    9.3.3. Voltage Sensors measured value. Voltage sensors are compatible with Analog Inputs (refer to chapter 5.2.1), and are typically used in applications that require variable voltage measurements. CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 42 of 51...
  • Page 43: Potentiometer (Ratiometric) Sensors

    Application Examples Connecting rotary encoder Ensure that voltage range of the used sensor is within allowed range of CM2904 Analog Inputs measurement range (refer to chapter 5.2.1). Potentiometers and other ratiometric type sensors can be wired directly to Analog 9.3.4.
  • Page 44 When planning to use CM2904 for connecting quadrature encoder in motor OTICE application (servo motor or brushless motor), ensure first the requirement from your system point of view and take into account that quadrature mode in CM2904 is specified up to 4kHz. CM2904...
  • Page 45: Start-Up

    10.1.2. Prepare for System Start Make sure no one is in dangerous proximity to the vehicle to avoid ARNING injuries when it starts. Prepare for the initial system start as follows: CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 45 of 51...
  • Page 46: Start The System

    • In addition to these measures, the machine shall also meet the machine directives for the country in question. • CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 46 of 51...
  • Page 47: Summary Of Tests

    Under Voltage 0…8VDC Section 2.2.3 ISO 15003 Section Reverse Polarity -26VDC, 5min 5.14.3 ISO 15003 Section Short Circuit Protection Voltage level = 26V; 5.14.4 Test time = 5min/pin CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 47 of 51...
  • Page 48 EMC – Susceptibility ISO 11452-2: 5.13.1 200…2700 MHz ISO 11452-2 ISO 11452-4: ISO 11452-4 150 kHz …200MHz ISO 14982 (2009), EMC – Radiated Emissions 0.15…2000 MHz Annex D CISPR25 CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 48 of 51...
  • Page 49 Summary of Tests Design Verification Tests Above tests proceeded with 12V system voltage if not otherwise stated. OTICE *)3 - synchronised cycle temperature/voltage test with test #1 CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 49 of 51...
  • Page 50: Glossary Of Terms

    Digital Input - an input that is typically controlled by an external switch that makes the input either active “ON” or inactive “OFF” CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 50 of 51...
  • Page 51 An output that provides switched battery voltage to an external load. Inductive Load A load that produces a magnetic field when energized. Inductors are electrical components that store energy and are characterized by the following equation: CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 51 of 51...

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