4.2. Low-Side Outputs with Current Sense....................................................................................31
4.2.1. Low-Side Outputs with Current Sense Capabilities...................................................31
4.2.2. Low-Side Outputs with Current Sense Configuration Options...................................33
4.2.3. Low-Side Outputs with Current Sense Installation Connections ...............................33
4.2.4. Low-Side Outputs with Diagnostics and Fault Protection..........................................34
5. Power ...............................................................................................................................35
5.1. Logic and output power...........................................................................................................35
5.1.1. Logic and Output Power Capabilities.........................................................................35
5.1.2. Logic and output power connections .........................................................................36
5.2. Sensor supply..........................................................................................................................37
5.2.1. Sensor Power Capabilities.........................................................................................37
5.2.2. Sensor Power Connections........................................................................................38
6. Communication...............................................................................................................39
6.1. Controller area network...........................................................................................................39
6.1.1. J1939 CAN Capabilities.............................................................................................39
6.1.2. J1939 CAN Installation Connections .........................................................................39
7. Diagnostic LEDs .............................................................................................................42
7.1. Input LEDs...............................................................................................................................42
7.2. Output LEDs............................................................................................................................42
7.3. Power LED...............................................................................................................................42
7.4. Network LED............................................................................................................................43
8. Connectors......................................................................................................................44
8.1. Mating Connector Part Numbers.............................................................................................45
8.2. Pinouts.....................................................................................................................................45
9. Installation.......................................................................................................................48
9.1. Mechanical Installation Guidelines..........................................................................................48
9.1.1. Dimensions ................................................................................................................48
9.1.2. Selecting a Mounting Location...................................................................................48
9.1.3. Mounting the VMM2404 to a Vehicle.........................................................................50
9.2. Electrical Installation Guidelines..............................................................................................50
9.2.1. Designing and Connecting the Vehicle Harness .......................................................50
10. Application Examples...................................................................................................51
10.1. Implementing Safety Interlocks .............................................................................................51
10.2. Controlling Indicator Lights....................................................................................................52
10.3. Controlling a Proportional Valve............................................................................................53
10.4. Controlling Motor Speed........................................................................................................55
10.5. Using one Analog Input as Two Digital Inputs.......................................................................56
10.6. Controlling a Linear Actuator.................................................................................................57
10.7. Connecting Various Sensors.................................................................................................58
10.7.1. Open Collector.........................................................................................................58
10.7.2. Variable Resistance.................................................................................................60
10.7.3. Variable Reluctance.................................................................................................61
10.7.4. Switch.......................................................................................................................61
10.7.5. Voltage.....................................................................................................................62