Parker Vansco - Sensor Power Connections

38 VMM2404
Power
Note: The voltage provided to the VMM2404 must be 6.5 V or greater to
ensure the sensor supply can provide 5 V.
Depending on system voltage, SENSOR_SUPPLY is capable of delivering different
amounts of current to the sensors, as detailed in the following table:
Maximum Sensor Current at Various Voltages
Input Voltage
Maximum Sensor Current
6.5–14 VDC
100 mA
14–24 VDC
50 mA
24–32 VDC
30 mA
The following table provides specifications for the VMM2404 sensor power:
Sensor Power Specifications
Item
Min
Nom
Max
Unit
Input voltage range
6.5
-
32
V
Overvoltage
-
-
36
V
Output voltage range
4.8
5
5.2
V
Output voltage accuracy
-
4
-
%
Output current (linear) @ 6.5 to 14 V battery
0
-
100
mA
Output current (linear) @ 14 to 24 V battery
0
-
50
mA
Output current (linear) @ 24 to 32 V battery
0
-
30
mA
Number of sensor power connector pins
-
1
-
-
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 described in the
following table:
Sensor Power Fault Recovery
Event
Recovery
Short-to-battery
(sensor voltage = battery voltage)
Sensor voltage recovers when the short is removed.
Short-to-ground
(sensor voltage = ground)
Sensor voltage recovers when the short is removed.
Over-current
(sensor voltage = ground)
Sensor voltage recovers when the over-current
condition is removed.
5.2.2. Sensor Power Connections
For information on how to connect sensors, refer to Application Examples on
page 51.