DSDO115A 3BSE018298R1

Brand: ABB

Type:DSDO115A 3BSE018298R1

Origin: the Swiss

Warranty: 365 days

Colour: new/used

Shipping method: Courier delivery

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The Synchronizing or Sync/Ld Share inputs are disabled by pressing the front panel NO key from the respective Status screen, opening the respective function’s Enable/Disable contact (if programmed), or selecting the Sync Disable command from either Modbus communications link. The Synchronizing analog input is automatically disabled when the generator breaker closes, but can be reenabled with the generator breaker closed, to allow synchronization across a tie line breaker. The Sync/Load Share analog input is automatically disabled when the generator breaker opens. Table 5-10 lists the possible synchronizing/loadsharing control messages. MESSAGE 3 MEANING Disabled Function is in disabled mode Inhibited Function is inhibited and cannot be enabled Enabled Function is enabled but not in control of the Setpt In Control Function is in control of the actuator output Table 5-10. Control Messages The following synchronizing and loadsharing control indications are available through the Modbus links: Generator Breaker Status, Utility Tie Breaker Status, Frequency Control, Sync is Enabled, Sync or Loadshare is In Control, Sync or Loadshare is Inhibited, and the Sync/Loadshare Input Failed Alarm. In addition to these indications, Sync/Loadshare Input analog value is also available. Relay indications can be programmed to indicate Sync Enabled, Sync/Loadshare Enabled, Loadshare Control and Frequency Control status parameters. Unit Load (KW) Key Screens This key is active if the unit is programmed for a generator application or if a first stage pressure analog input is configured. Figure 5-14 shows the possible screens that may appear if the kW key is pressed. Only the screens related to the functions programmed will be displayed. If a first stage pressure analog input is configured, screen 4 will appear. When the unit is programmed for a generator application, only one of the first three screens will appear, depending on the mode of operation (governor valve position droop or KW/unit load input signal droop). Screen 1 or 2 is displayed when the unit is programmed with a KW/Unit Load analog input and the input is not failed. Screen 3 is displayed if no KW/Unit Load analog input is programmed or the input is failed. When the units on the ‘Load’ parameter are ‘KW’ or ‘MW’, the screen is displaying actual load units from the KW/Unit Load analog input. When units on the ‘Load’ parameter is ‘%’, the screen is displaying a calculated load value. The bottom line of the display on screens 1, 2, & 3 show the calculated Load Setpoint. This value and units change depending on the droop mode the 505E is presently using. If the droop is based on the KW input, the units are in ‘KW’ or ‘MW’. If the droop is LSS/ Speed Demand (governor valve position), the units are in ‘rpm’.