6 9469200994 Rev —
Terminals and Connectors DGC-2020ES
Table 5. Bus Voltage Sensing Terminals
A-phase bus voltage sensing input
B-phase bus voltage sensing input
C-phase bus voltage sensing input
Installation in an Ungrounded System Application
When the DGC-2020ES is controlling equipment that is part of an ungrounded system, it is recommended
that potential transformers be employed on the voltage sensing inputs to provide full isolation between the
DGC-2020ES and monitored voltage phases.
Analog Engine Sender Inputs
Inputs are provided for oil pressure, fuel level, and coolant temperature senders. For a listing of oil
pressure, fuel level, and coolant temperature senders that are compatible with the DGC-2020ES, refer to
the Engine Sender Inputs chapter in the Configuration manual. Analog engine sender input terminals are
listed in Table 6.
Table 6. Sender Input Terminals
Oil pressure sender input
Coolant temperature sender input
Magnetic Pickup Input
The magnetic pickup input accepts a speed signal over the range of 3 to 35 volts peak and 32 to 10,000
hertz. Magnetic pickup input terminals are listed in Table 7.
Table 7. Magnetic Pickup Input Terminals
Magnetic pickup return input
Magnetic pickup positive input
Contact Sensing Inputs
Contact sensing inputs consist of seven programmable inputs. The programmable inputs accept normally
open, dry contacts. Terminal 17 (BATT–) serves as the common return line for the programmable inputs.
While input 1 is programmed to recognize an emergency stop input by default, it can be programmed for
any function. Information about configuring the programmable inputs is provided in the Contact Inputs
chapter in the Configuration manual. Contact sensing input terminals are listed in Table 8.
Table 8. Contact Sensing Inputs
Common return line for programmable contact inputs
Programmable contact input 1 (ESTOP by default)
Programmable contact input 2
Programmable contact input 3
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