5SHY4045L0001 3BHB018162R0001 3BHE009681R0101 GVC750BE101

Brand:ABB

Type:5SHY4045L0001 3BHB018162R0001 3BHE009681R0101 GVC750BE101

Origin: the Swiss

Warranty: 365 days

Colour: new/used

Shipping method: Courier delivery

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Auxiliary as a Controller (using Enable/Disable) When configured as a controller, the Auxiliary PID may be enabled and disabled on command. When Auxiliary control is enabled it instantly takes full control of the LSS bus and the Speed PID is switched to a tracking mode. When Auxiliary control is disabled the Speed PID instantly takes full control of the LSS bus. To allow a bumpless transfer between modes, the Speed PID tracks a few % above the Auxiliary PID’s LSS bus signal. When the Auxiliary PID is disabled, its setpoint tracks the Auxiliary PID’s process signal. To configure the Auxiliary controller to function as a controller, program the ‘Use Aux Enable’ setting to ‘YES’. The Speed PID will only track the Auxiliary PID LSS bus signal up to 100% speed/load. Thus if turbine speed/load reaches 100%, the Speed PID will protect the unit by limiting unit speed/load to less than or equal to 100%. Depending on the configuration and system conditions, the Auxiliary PID may be in one of the following states: • Auxiliary is Disabled—Auxiliary is disabled and will have no effect on the LSS bus. • Auxiliary is Enabled—Auxiliary has been enabled but the generator and utility tie breaker permissives have not been met (generator applications only). • Aux Active / Not in Ctrl—Auxiliary has been enabled, permissives met, but is not in control of the LSS bus. • Aux Active w/Rmt Setpt—Auxiliary has been enabled but is not in control of the LSS bus and the remote Auxiliary input is controlling the setpoint. • Auxiliary in Control—Auxiliary is in control of the LSS bus. • Aux Control w/Rmt Setpt—Auxiliary is in control of the LSS bus and the remote Auxiliary analog input is in control of the setpoint.

• Auxiliary is Inhibited—Auxiliary cannot be enabled; input signal is failed, 505E is in Frequency Control, controlled shutdown is selected, unit is shut down or Auxiliary control is not programmed. For generator applications, Auxiliary control can be configured to be disabled when the generator and/or utility tie breakers are open. Program settings ‘Tiebkr Open Aux Dsbl’ and ‘Genbkr Open Aux Dsbl’ may be configured to deactivate Auxiliary control depending on system breaker positions. When both settings are programmed ‘NO’, the Auxiliary control will always stay ‘active’. If the unit is not configured for a generator application, the utility tie and generator breaker inputs do not affect Auxiliary control status, and the controller will be active at all times (capable of being enabled). Auxiliary control may be enabled from the 505E keypad, remote contacts, or Modbus communications. The last command given from any of these three sources dictates which state the Auxiliary control is in. If an external Auxiliary Enable contact is programmed, disable is selected when the contact is open and enable is selected when it is closed. The contact can be either open or closed when a trip condition is cleared. If the contact is open, it must be closed to enable. If the contact is closed, it must be opened and re-closed to enable. When configured as enable/disable controller, the Auxiliary control will automatically be disabled upon a shutdown condition. Auxiliary control will be disabled and inhibited when the 505E is in frequency control. If the Auxiliary milliamp input signal is out of range (below 2 mA or above 22 mA) an alarm will occur and Auxiliary control will be inhibited until the input signal is corrected and the alarm is cleared. Optionally the unit can be programmed to issue a shutdown on a loss of the Auxiliary input signal.