Specifications
15
3.5.4 CHARGE FAIL INPUT
Minimum voltage 0V
Maximum voltage 35V (plant supply)
Resolution 0.2V
Accuracy ±1% of max measured voltage (±0.35V)
Excitation Active circuit constant power output
Output Power 2.5W Nominal @12V and 24V
Current at 12V 210mA
Current at 24V 104mA
. The charge fail input is actually a combined input and output. Whenever the generator is required to
run, the terminal provides excitation current to the charge alternator field winding.
When the charge alternator is correctly charging the battery, the voltage of the terminal is close to the
plant battery supply voltage. In a failed charge situation, the voltage of this terminal is pulled down to a
low voltage. It is this drop in voltage that triggers the charge failure alarm. The level at which this
operates and whether this triggers a warning or shutdown alarm is configurable using the DSE Config
Suite Software.
3.5.5 MAGNETIC PICKUP
Type Differential input
Minimum voltage 0.5V RMS
Max common mode
voltage
±2V
Maximum voltage Clamped to ±70V by transient suppressors
Maximum frequency 10,000Hz
Resolution 6.25 RPM
Accuracy ±25 RPM
Flywheel teeth 10 to 500
NOTE : DSE can supply a suitable magnetic pickup device, available in two body thread
lengths :
DSE Part number 020-012 - Magnetic Pickup probe 5/8 UNF 2½” thread length
DSE Part number 020-013 - Magnetic Pickup probe 5/8 UNF 4” thread length
Magnetic Pickup devices can often be ‘shared’ between two or more devices. For example, one
device can often supply the signal to both the DSE8600 series module and the engine governor. The
possibility of this depends upon the amount of current that the magnetic pickup can supply.
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