Basler DGC-2020 Instruction Manual

Basler DGC-2020 Instruction Manual Manual pdf 12 page image

1-2 DGC-2020 General Information 9400200990 Rev IContact Inputs and Output ContactsDGC-2020 controllers have one, dedicated emergency stop contact input and 16 programmable contactinputs. All contact inputs recognize dry contacts. The programmable inputs can be configured to initiate apre-alarm or alarm. A programmable input can be programmed to receive an input from an automatictransfer switch or override DGC-2020 alarms and protection functions. Each programmable input can beassigned a user-defined name for easy identification at the front panel display and in fault records.Output contacts include three dedicated relays for energizing an engine’s glow plugs, fuel solenoid, andstarter solenoid. An additional four user-programmable output contacts are provided if the style number isxxAxxxxxx. If the style number is xxBxxxxxx, an additional twelve output contacts are provided.Additional contact inputs and output contacts can be accommodated with an optional CEM-2020 (ContactExpansion Module). Contact Basler Electric for ordering information.Automatic Transfer Switch Control (Mains Failure)The DGC-2020 has the ability to detect a mains failure via a single-phase Bus input. A mains failure isestablished when any one of the following conditions are met:• Bus voltage falls below dead bus threshold• Bus voltage unstable due to overvoltage or undervoltage• Bus voltage unstable due to overfrequency or underfrequencyAt this time, the DGC-2020 will start the genset and when ready, apply power to the load via the genset.The DGC-2020 implements open transitions to and from the mains. When the mains returns and isconsidered stable, the DGC-2020 will transfer the load back to the mains.CommunicationStandard DGC-2020 communication features include a standard USB port and SAE J1939 interface.Optional communication features include a dial-out modem and RS-485 communication port.BESTCOMSPlus can communicate with the DGC-2020 through ethernet via an optional LSM-2020 (LoadShare Module). Contact Basler Electric for ordering information.USB PortA USB communication port can be used with BESTCOMSPlus software to quickly configure a DGC-2020with the desired settings or retrieve metering values and event log records.CANBus InterfaceA CANBus interface provides high-speed communication between the DGC-2020 and the engine controlunit (ECU) on an electronically controlled engine. This interface provides access to oil pressure, coolanttemperature, and engine speed data by reading these parameters directly from the ECU. When available,engine diagnostic data can also be accessed. The CANBus interface supports the following protocols:• SAE J1939 Protocol - Oil pressure, coolant temperature, and engine speed data are received fromthe ECU. In addition, DTCs (Diagnostic Trouble Codes) help diagnose any engine or related failures.The engine DTCs are displayed on the front panel of the DGC-2020 and may be obtained usingBESTCOMSPlus software.• MTU/MDEC Protocol - A DGC-2020 connected to a genset equipped with an MTU MDEC receivesOil pressure, coolant temperature, and engine speed data from the engine controller, along withvarious alarms and pre-alarms that are MDEC specific. In addition, the DGC-2020 tracks and displaysthe active fault codes issued by the MDEC ECU.Dial-Out ModemThe optional dial-out modem enables remote control, monitoring, and setting of the DGC-2020. When analarm or pre-alarm condition occurs, the DGC-2020 can dial up to four telephone numbers, in sequence,until an answer is received and the condition is annunciated.RS-485 PortAn optional RS-485 communication port uses the Modbus communication protocol and enables remotecontrol and monitoring of the DGC-2020 over a polled network.www . ElectricalPartManuals . com