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General| Brand | Basler |
|---|---|
| Model | DECS-250 |
| Category | Control Systems |
| Language | English |
Details the extensive features and functions of the DECS-250 system.
Illustrates and describes the controls and indicators on the DECS-250 front panel.
Provides step-by-step instructions for adjusting settings at the front panel.
Details the operating power requirements and voltage ranges for the DECS-250.
Describes the generator voltage sensing connections and configuration.
Details the generator current sensing inputs and phase sensing.
Describes the automatic generator synchronization modes and settings.
Lists the five regulation modes available in the DECS-250.
Describes Automatic Voltage Regulation mode operation and adjustment.
Details Field Current Regulation mode operation and setpoint adjustment.
Explains Var mode operation, regulating reactive power output.
Describes Power Factor mode operation to maintain a constant PF.
Details how the DECS-250 controls parallel generators for reactive load sharing.
Describes the types of signals accepted for auxiliary control.
Monitors generator power levels for reverse power flow and loss of excitation.
Detects excessive var flow indicating abnormally low field excitation.
Monitors field current and limits it to prevent field overheating.
Senses leading var level and limits excitation to prevent end-iron heating.
Monitors stator current and limits it to prevent stator overheating.
Lists active and previously latched alarms from system parameters, links, and I/Os.
Allows tailoring stability for optimum generator transient performance.
Calculates PID gain parameters based on generator and exciter time constants.
Automatically identifies excitation system parameters and calculates PID gains.
Explains the process for activating the DECS-250 plugin.
A tool to navigate through the DECS-250 plugin's settings screens.
Covers opening, saving, uploading, downloading, and comparing settings files.
Provides instructions and warnings for updating DECS-250 firmware.
Explains the main groups of objects used for programming: I/O, Components, and Elements.
Guides on using BESTCOMSPlus to program BESTlogicPlus using drag and drop.
Details the Modbus communication protocol used by DECS-250 systems.
Covers configuration of generator, field, and bus ratings for proper control and protection.
Controls operation types allowed by user via passwords for six functional access areas.
Restricts control available through DECS-250 communication ports.
Provides controls to limit login time and login attempts for enhanced security.
Performs on-line AVR and PSS testing using six plots of user-selected data.
Verifies overall system response through fixed step changes in AVR reference.
Lists General, Security, Binary Points, and Gains parameters for Modbus communication.
Offers procedures for diagnosing and resolving common DECS-250 issues.
Troubleshooting steps for when the DECS-250 does not power up.
Lists operating power voltage ranges and requirements.
Details the two control power inputs for continued operation.
Specifies setpoint range and regulation accuracy for operating modes.
Lists pickup and time delay ranges for overvoltage, undervoltage, and frequency protections.
Provides specifications for field overvoltage, overcurrent, loss of PMG, and EDM.
Describes the eight programmable analog inputs with alarm and configuration options.
Explains the four programmable analog outputs with parameter selection and type.
Shows input and output terminals and lists them in a table.
Details operating power, contact inputs, contact outputs, and communication interface.
Details the number of contact inputs and outputs for CEM-2020 and CEM-2020H.
Explains CAN bus communication setup for the contact expansion module.
Describes the 10 programmable contact inputs and their customizable labels.
Details the 24 or 18 programmable contact outputs and their current ratings.
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