Parker Vansco VMM1210, User Manual, Page: 38 / 80

28 VMM1210
Outputs
4.2.2. High-Side/Low-Side Output Configuration
The following diagram shows the possible configuration for high-side/low-side
outputs:
Internal to product
Application
Load
High-Side Driver
Battery voltage
Application
Load
Low-Side Driver
Ground
Figure 12: High-side/Low-side output configuration
4.2.3. High-Side/Low-Side Installation Connections
High-Side Output Connections
You must be aware of the following when connecting high-side outputs:

High-side outputs are connected to one of two internal bus bars, which can be
connected to a +12 V or +24 V battery. Each busbar powers 4x 10A outputs.
Maximum load on each busbar is 40 A.

High-side outputs can provide switched battery power to a variety of load
types in a vehicle.
If large inductive loads are used, and the high-side output is providing a
continuous PWM signal, then the PWM peak current must not be greater than the
specified continuous current for the output (in continuous mode, the average
current flow through the diode at 50% duty cycle is approximately equal to ½ the
peak current).