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
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