4.2.1. High-Side/Low-Side Output Capabilities....................................................................26
4.2.2. High-Side/Low-Side Output Configuration.................................................................28
4.2.3. High-Side/Low-Side Installation Connections............................................................28
4.3. High-Side Output Diagnostics and Fault Detection.................................................................33
4.3.1. Over Current Fault Protection....................................................................................33
4.3.2. Short to Ground Fault Protection...............................................................................33
4.3.3. Short to Power Fault Protection.................................................................................33
4.3.4. Open Load Detection.................................................................................................33
4.3.5. Inductive Load Protection...........................................................................................34
5. Power ...............................................................................................................................35
5.1. Logic Power.............................................................................................................................35
5.1.1. Logic Power Capabilities............................................................................................35
5.1.2. Logic and Output Power Connections .......................................................................36
5.2. Busbar Power..........................................................................................................................36
5.2.1. Busbar Power Capabilities.........................................................................................36
5.2.2. Busbar Power Installation Connections.....................................................................36
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............................................................................................................................43
7.3. Power LED...............................................................................................................................43
7.4. Network LED............................................................................................................................43
8. Connectors......................................................................................................................44
8.1. Pinouts.....................................................................................................................................45
9. Installation.......................................................................................................................47
9.1. Mechanical Installation Guidelines..........................................................................................47
9.1.1. Dimensions ................................................................................................................47
9.1.2. Selecting a Mounting Location...................................................................................47
9.1.3. Mounting the VMM1210 to a Vehicle.........................................................................49
9.2. Electrical Installation Guidelines..............................................................................................49
9.2.1. Designing and Connecting the Vehicle Harness .......................................................49
10. Application Examples...................................................................................................51
10.1. Implementing Safety Interlocks .............................................................................................51
10.2. Controlling Indicator Lights....................................................................................................52
10.3. Controlling Motor Speed........................................................................................................53
10.4. Using one Analog Input as Two Digital Inputs.......................................................................55
10.5. Connecting Various Sensors.................................................................................................56
10.5.1. Open Collector.........................................................................................................56
10.5.2. Variable Resistance.................................................................................................58
10.5.3. Variable Reluctance.................................................................................................59
10.5.4. Switch.......................................................................................................................59