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User Guide 

47 

 

Connectors 

 

 

7.1.  Mating Connector Part Numbers 

The maximum wire gage usable in the VMM3120 connectors is 16 AWG with 
GXL insulation. 

The following table shows the part numbers for the mating connectors and 
terminals that are used in the vehicle harness: 

Mating Connector Part Numbers 

Connector 

Shell part number 

Terminal part number 

Black (J1) connector 

AMP 776164-1 

20-16AWG, Gold: AMP 770854-3 

White (J2) connector 

AMP 776164-2 

20-16AWG, Gold: AMP 770854-3 

 

Strain reliefs are available for the connectors. The strain relief part number is 
AMP P/N: 776463-1. 

 

7.2.  Pinouts 

Connector pins connect to inputs, outputs, and communication channels. They 
provide the interface between the vehicle harness and the internal circuitry of the 
VMM3120. 

 

Summary of Contents for VMM3120

Page 1: ...Vansco Multiplexing Module VMM3120 User Guide HY33 5004 IB US UG VMM3120 0916014 201705 002...

Page 2: ...and testing is solely responsible for making the final selection of the system and components and assuring that all performance endurance maintenance safety and warning requirements of the applicatio...

Page 3: ...ta Link Adapter Driver Software 6 2 4 Connect the VMM3120 multiplexing module to a Development System 7 2 4 1 Power Up the Development System 8 2 5 Create and Download Ladder Logic Applications 9 3 In...

Page 4: ...Capabilities 43 6 1 2 J1939 CAN Configuration 44 6 1 3 J1939 CAN Installation Connections 44 7 Connectors 46 7 1 Mating Connector Part Numbers 47 7 2 Pinouts 47 8 Installation 50 8 1 Environmental Req...

Page 5: ...User Guide v Contents 9 7 7 Potentiometer Ratiometric 67 10 Startup 68 11 Tests 70 12 Glossary 73 13 Index 80...

Page 6: ...provides an overview of the changes made to this document over the course of its publication history Revision Description of Change Rev 001 First release of this document Rev 002 New template minor e...

Page 7: ...quipment or degradation of signal When you see these symbols follow the instructions carefully and proceed with caution General safety regulations Work on the hydraulics control electronics may only b...

Page 8: ...ol system 1 Disconnect the electrical connections between the system and external equipment 2 Disconnect the negative cable from the battery 3 Disconnect the positive cable from the battery 4 Connect...

Page 9: ...verified Do not start the machine if anyone is near the machine Safety during maintenance and fault diagnosis Before performing any work on the hydraulics control electronics ensure that The machine c...

Page 10: ......

Page 11: ...120 The VMM3120 is designed to communicate through a J1939 based Controller Area Network CAN Custom CAN messaging can be created in software and the VMM3120 can be used in any CAN 2 0B application The...

Page 12: ...CAN The VMM3120 has 3 LEDs that can be used to indicate the status of inputs outputs power and CAN The VMM3120 can detect and log the following faults Short circuit Overcurrent Open load Short to batt...

Page 13: ...t the VMM3120 Symbol Meaning General input General output Frequency input Analog input Frequency sensor Pulse sensor Resistive sensor General sensor Application switch Load Pull down resistor Pull up...

Page 14: ...4 VMM3120 About the VMM3120 Symbol Meaning Fuse Resistor Ground Chassis ground...

Page 15: ...ials The following materials are required for the procedures in this section VMM3120 multiplexing module personal computer PC controller I O board controller I O harness connects the VMM3120 to the co...

Page 16: ...ow obtain a product key 2 3 1 Install the Data Link Adapter Driver Software A Data Link Adapter DLA is needed when connecting the VMM3120 multiplexing module in a development system Note Parker Vansco...

Page 17: ...t system is an ideal environment for creating and downloading software applications The following shows how to connect the VMM3120 multiplexing module in a development system Controller DLA I O Board...

Page 18: ...DLA to a personal computer via the USB port 2 4 1 Power Up the Development System To power up the VMM3120 multiplexing module 1 Ensure that all controller I O board digital inputs jumpers and dip swi...

Page 19: ...n be created and downloaded to the VMM3120 multiplexing module The software applications for the VMM3120 can be created with the Vansco Multiplexing Module Software VMMS tool using ladder logic Consul...

Page 20: ...transorb 3 1 Digital Inputs Digital inputs are typically used with electrical signals and switches that are either on or off There are four types of digital inputs in the VMM3120 Programmable Digital...

Page 21: ...l down resistor is used and the input will be active when it is switched to battery voltage All digital inputs have their wetting current configured according to the following Note A digital switch ty...

Page 22: ...osed the input is connected to battery voltage which will be interpreted by the VMM3120 as active For an input that is active high It must be connected to battery power so that there is a battery conn...

Page 23: ...inputs are pulsed to ensure that a floating pin is read as inactive by the module The addressing arrangement is shown in the following table which shows the required inputs that need to be active and...

Page 24: ...reater than 4 0 V before it is considered an active high input The power control digital input wakes up the VMM3120 when switched high to a voltage of 4 0 V or greater and turns the VMM3120 off when s...

Page 25: ...onfiguration 3 1 3 3 Power Control Digital Input Installation Connections You must be aware of the following when connecting the power control digital input The power control digital input is usually...

Page 26: ...rol digital input installation connections 3 2 Analog Inputs Analog inputs are typically used to read electrical signals that span a voltage range The VMM3120 has up to 10 analog inputs INPUT20_A thro...

Page 27: ...he cutoff frequency for a 2 pole low pass filter is 39 Hz With analog inputs INPUT24_A through INPUT29_A The amount of attenuation is 0 595V V The cutoff frequency for a 1 pole low pass filter is 32 H...

Page 28: ...When connecting analog inputs be aware of system noise and ground level shift System Noise Analog inputs are more susceptible to system noise than digital inputs Too much system noise can create inacc...

Page 29: ...dedicated ground wires To reduce ground level shift for sensors that have dedicated ground wires Dedicate one of the five system ground inputs GROUND to sensors that have dedicated ground wires and co...

Page 30: ...dedicated ground wires Connect a ground wire from the sensor s mounting location to analog input 1 Analog input 1 can be configured as a negative amplifier allowing it to detect a difference between...

Page 31: ...types of frequency inputs in the VMM3120 AC coupled frequency inputs DC coupled frequency inputs 3 3 1 AC Coupled Frequency Inputs The VMM3120 has 2 AC coupled frequency inputs FREQ_1 FREQ_2 3 3 1 1 A...

Page 32: ...d or disabled however they cannot be enabled at the same time The pull up and pull down resistance is 3 3 k 3 3 1 3 AC Coupled Frequency Input Connections When connecting AC coupled frequency inputs b...

Page 33: ...to the system ground connections This will help ensure the signal remains within the digital activation range of the input Note 1 The VMM3120 system ground inputs are rated for low current signals whi...

Page 34: ...nd pulse counting is possible with DC coupled frequency inputs The following table provides specifications for the VMM3120 s DC coupled frequency inputs DC Coupled Frequency Input Specifications Item...

Page 35: ...iguration The DC coupled frequency inputs use a pull up resistor The following diagram shows the configuration for DC coupled frequency inputs Pull up down option Application sensor Internal to produc...

Page 36: ...oltage and the sensor ground voltage To reduce ground level shift If there are more than 1 GND pins in the system dedicate one of them to sensors that have ground wires and connect all sensor grounds...

Page 37: ...e following shows a typical DC coupled frequency input connection Internal to product Sensor Voltage Sensor Ground Hall Effect Sensor DC Coupled Frequency Input Figure 13 DC coupled frequency input in...

Page 38: ...high side outputs OUTPUT1_2A5_HS to OUTPUT16_2A5_HS 4 1 1 High Side Output Capabilities High side outputs are used for switching voltage to loads using either a pulse width modulated PWM signal or an...

Page 39: ...ce 90 m Load resistance 12 V system 6 4 Load resistance 24 V system 12 8 Over voltage 36 V PWM frequency 500 Hz PWM resolution 0 1 Inductive pulse protection 628 V peak Digital feedback minimum negati...

Page 40: ...5 A max High side outputs have internal flyback diodes which are needed when driving inductive loads the flyback diodes absorb electrical energy when the load is turned off Inductive loads will creat...

Page 41: ...ting Requirements Each high side output is rated to continuously drive 2 5 A of current however in some applications the rating for high side outputs must be reduced or de rated to less than 2 5 A Not...

Page 42: ...s and Fault Detection Each high side output has the ability to report many different fault conditions The types of faults that are reported are determined by the configuration of your high side output...

Page 43: ...hat is provided to loads through an amplifier circuit When a low side output is used as a PWM signal a pulsed output signal is provided by the VMM3120 where the percentage of time that the output is o...

Page 44: ...7 Current sense amp range 0 2 8 V Overcurrent trip point 2 9 V Current sense resolution 10 bit Current sense accuracy 5 Current sense resistance 0 1 Overvoltage 36 V PWM frequency 500 Hz PWM resoluti...

Page 45: ...ffect on overcurrent and short circuit protection times If an application requires a cutoff frequency lower than 7 Hz a filter can be implemented in the application software To prevent aliasing filter...

Page 46: ...onnecting a load to a low side output ensure the load will not drive currents greater than the maximum specified peak current or maximum specified continuous current The following shows a typical low...

Page 47: ...sistance of the high side or low side output FET respectively for output N 4 2 4 Low Side Outputs with Current Sense Diagnostics The VMM3120 s low side outputs have the ability to report many differen...

Page 48: ...rk API document distributed with the SDK Note Low side outputs must be on to detect an open load fault 4 2 4 3 Short to Ground Short to ground faults occur when a low side output pin is connected to g...

Page 49: ...ted to providing power for logic and outputs and 5 pins labeled GND dedicated to grounding the VMM3120 Note The power and ground connections are usually paralleled over several pins to minimize voltag...

Page 50: ...of wires needed to connect the VMM3120 power depends on the amount of current required by the application It is recommended that you use the largest AWG wire allowed by your connector for the VBATT an...

Page 51: ...e SENSOR_SUPPLY pin Doing so will cause the pin to protect itself by dropping the voltage which will result in a lack of power to the sensors causing unknown vehicle responses 5 2 1 Sensor Power Capab...

Page 52: ...urrent 0 300 mA 5 2 1 1 Sensor Power Fault Responses SENSOR_SUPPLY is designed to survive short to battery short to ground and over current events If these events occur the circuit will recover as des...

Page 53: ...cted together in the same network 6 1 1 J1939 CAN Capabilities The CAN communicates information at a rate of 250 kbps Lack of regular CAN communication is an indication that there is either a problem...

Page 54: ...ctions The CAN connection for the VMM3120 should conform to the J1939 standard The J1939 standard is a robust automotive specification that is a good CAN installation guideline even when the J1939 CAN...

Page 55: ...red by ITT Cannon and Deutsch and come in either T or Y configurations CAN Harness The CAN harness is the main backbone cable that is used to connect the CAN network This cable cannot be longer than 4...

Page 56: ...that connect to inputs outputs and communication channels used by the VMM3120 They also have keying that prevents you from incorrectly mating the connectors to the vehicle harness The vehicle harness...

Page 57: ...ng Connector Part Numbers Connector Shell part number Terminal part number Black J1 connector AMP 776164 1 20 16AWG Gold AMP 770854 3 White J2 connector AMP 776164 2 20 16AWG Gold AMP 770854 3 Strain...

Page 58: ...tem ground input 16 GND System ground input 17 GND System ground input 18 INPUT21_A Amplified analog input 19 INPUT23_A Amplified analog input 20 INPUT6_D Digital input 21 INPUT4_D Digital input 22 IN...

Page 59: ..._D Digital input 14 CAN2_L Controller Area Network Low signal 15 CAN2_H Controller Area Network High signal 16 INPUT17_D Digital input 17 INPUT19_D Digital input 18 INPUT24_A Basic analog input 19 INP...

Page 60: ...is within its ambient temperature range of 40 C to 85 C 2 Mount the VMM3120 in an environment that is within its particle ingress rating The sealing standard for the VMM3120 is EP455 level 1 Note The...

Page 61: ...locations The routing of the harness Suggested wire sizing for the various connections are as follows Inputs 18 AWG Outputs 16 AWG Logic power and ground 18 AWG Other powers and grounds 16 AWG Busbar...

Page 62: ...g environmental and mechanical requirements Note Do not install the VMM3120 near any significant heat sources such as a turbo exhaust manifold etc Avoid installing the VMM3120 near any drive train com...

Page 63: ...e original equipment manufacturer OEM to ensure the product is securely mounted to the vehicle The following guidelines are related to physically attaching the VMM3120 to a vehicle Secure the VMM3120...

Page 64: ...ith the VMM3120 is to ensure the vehicle doesn t move when it is not being used and no one is sitting in the operator s seat To prevent the vehicle from moving when no one is sitting in the operator s...

Page 65: ...witch interlock connection 9 2 Controlling Indicator Lights Multiple VMM3120 can be used together in a system to control a vehicle s indicator lights For example you could connect three VMM3120s commu...

Page 66: ...gnal Light Rear Right Signal Light Rear Cabin Front VBAT VBAT VBAT CAN 3 3k 3 3k 3 3k Figure 25 Indicator light connections 9 3 Controlling a Proportional Valve The VMM3120 can be used to control a pr...

Page 67: ...coil and provides feedback on the amount of current flowing through the valve coil The application code should be written so that the PWM duty cycle for the output is adjusted to achieve a target curr...

Page 68: ...lities to control the speed of the motor and a DC coupled frequency input to monitor the output from the motor The application code should be written so that the PWM duty cycle for the high side outpu...

Page 69: ...to the voltage value readings provided by the analog input Refer to the appropriate help file or contact your Parker Vansco Account Representative for more information When making the connection ensu...

Page 70: ...e VMM3120 has Proportional Integral Differential PID capabilities that make it possible to control devices like proportional valves through software Refer to the appropriate software manual or contact...

Page 71: ...le Note 2 When connecting sensors to the VMM3120 use the sensor s specification to ensure that the VMM3120 is configured correctly for the sensor 9 7 1 Open Collector Open collector sensors are compat...

Page 72: ...rnal to product Digital or frequency Input Open collector Figure 30 Open collector sensor connection The following shows a typical PNP open collector also called open emitter sensor connection Interna...

Page 73: ...Include a precision pull up resistor between the sensor and the sensor power output called SENSOR_SUPPLY Ensure the value of the precision resistor allows the maximum possible resolution for the sens...

Page 74: ...tance Sensor Figure 33 Variable reluctance sensor connection 9 7 4 Switch A switch is a type of sensor that uses mechanical contacts in one of two states open or closed Sensor switches are used to tur...

Page 75: ...age type sensors work by driving an analog voltage signal to report the sensor s measured value Voltage sensors are compatible with analog inputs and are typically used in applications that require va...

Page 76: ...onnection 9 7 6 CMOS A sensor with a CMOS type output drives a high and low signal and is typically used in digital and frequency applications and therefore CMOS sensors can be wired directly to digit...

Page 77: ...nts happen as the wiper arm moves along a resistive element When connecting potentiometer sensors it is important to do the following Connect one end of the sensor to the SENSOR_SUPPLY pin and the oth...

Page 78: ...on Starting the control system Start the control system as follows 1 Ensure that all modules and cables are fitted correctly 2 Ensure that the correct fuses are installed 3 Ensure that for supply volt...

Page 79: ...off position 2 Ensure that all connectors are properly connected 3 Turn on the control system 4 Ensure that voltage is being supplied to all modules 5 Ensure that the emergency stop is functioning pr...

Page 80: ...Aug 94 Section 4 3 3 Salt Spray Atmosphere N GF 7 EP455 Feb 03 Section 5 8 2 Chemical Exposure Brush Application N GF 8 EP455 Feb 03 Section 5 4 1 Solar Radiation UV effects Y GF 9 60529 IEC Edition 2...

Page 81: ...1 24V Transient Inductive Load Switching Power Lines Y 24 ISO 7637 2 2004 Section 5 6 1 Test Pulse 1 24V Transient Inductive Load Switching I O Lines Y 25 ISO 7637 2 2004 Section 5 6 5 Transient Load...

Page 82: ...6 12 6sin 2pft 12 25 2sin 2pft 22 Frequency range 500Hz 1 5kHz Frequency range 800Hz 1 5kHz Equipment limitations 23 24 24V system V 600V 24V system V 500V UUT is 24V system 28 29 Test bench size 250...

Page 83: ...a frequency greater than half the sample rate An example of aliasing is the wagon wheel effect often seen in films in which a spoked wheel appears to rotate differently from its true rotation amplifie...

Page 84: ...network CAN bus A communications network bus that permits data from sensors and other equipment within a motor vehicle to communicate with each other and through telltales and other diagnostic tools...

Page 85: ...ating De rating is typically done so that a product does not overheat digital input An input that is typically controlled by an external switch that makes the input either active on or inactive off dr...

Page 86: ...load to be reversed high side output An output that provides switched battery voltage to an external load hysteresis The tendency either by nature or design for a device or system to remain temporari...

Page 87: ...A digital input that is used to turn on the product When the input is active the product turns on and operates in normal mode when the input is inactive the product powers down and will not operate p...

Page 88: ...ty against electrical noise short to battery A fault state that occurs when an input or output pin is connected to battery power potentially resulting in high current flow short to ground A fault stat...

Page 89: ...User Guide 79 Glossary...

Page 90: ...ator Lights 55 Controlling Motor Speed 58 Create and Download Ladder Logic Applications 9 current feedback 74 current feedback control 74 current sensor 75 D data link adaptor DLA 75 DC coupled 75 DC...

Page 91: ...overcurrent 77 Overview 5 overvoltage 77 P Pinouts 47 Potentiometer Ratiometric 67 Power 39 Power Control Digital Input Capabilities 14 Power Control Digital Input Installation Connections 15 Power C...

Page 92: ...Vansco Multiplexing Module VMM3120 User Guide HY33 5004 IB US...

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