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9400200990 Rev I DGC-2020 General Information i

SECTION 1 • GENERAL INFORMATION

TABLE OF CONTENTS

SECTION 1 • GENERAL INFORMATION ................................................................................................ 1-1

DESCRIPTION....................................................................................................................................... 1-1

FEATURES............................................................................................................................................ 1-1

FUNCTIONS .......................................................................................................................................... 1-1

Generator Protection and Metering.................................................................................................... 1-1

Engine Protection and Metering......................................................................................................... 1-1

Event Recording................................................................................................................................. 1-1

Auto-Synchronizer.............................................................................................................................. 1-1

Contact Inputs and Output Contacts .................................................................................................. 1-2

Automatic Transfer Switch Control (Mains Failure)............................................................................ 1-2

Communication................................................................................................................................... 1-2

LSM-2020 (LOAD SHARE MODULE) ................................................................................................... 1-3

CEM-2020 (CONTACT EXPANSION MODULE) .................................................................................. 1-3

STYLE AND PART NUMBERS ............................................................................................................. 1-3

Style Number...................................................................................................................................... 1-3

Part Numbers ..................................................................................................................................... 1-3

SPECIFICATIONS ................................................................................................................................. 1-4

Operating Power ................................................................................................................................ 1-4

Power Consumption ........................................................................................................................... 1-4

Battery Ride Through ......................................................................................................................... 1-4

Current Sensing ................................................................................................................................. 1-4

Voltage Sensing ................................................................................................................................. 1-4

Contact Sensing ................................................................................................................................. 1-4

Engine System Inputs ........................................................................................................................ 1-5

Output Contacts ................................................................................................................................. 1-5

Metering.............................................................................................................................................. 1-6

Generator Protection Functions ......................................................................................................... 1-8

Logic Timers....................................................................................................................................... 1-8

Communication Interface ................................................................................................................... 1-8

Real-Time Clock................................................................................................................................. 1-9

Type Tests........................................................................................................................................ 1-10

Environment ..................................................................................................................................... 1-10

UL/CSA Approvals ........................................................................................................................... 1-10

NFPA Compliance............................................................................................................................ 1-11

CE Compliance ................................................................................................................................ 1-11

Physical ............................................................................................................................................ 1-11

Figures

Figure 1-1. DGC-2020 Style Chart

............................................................................................................ 1-3

Tables

Table 1-1. Special-Order DGC-2020 Controllers

...................................................................................... 1-4

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