BENTLY 128229-01

Brand:BENTLY

Type:128229-01

Origin: the United States

Warranty: 365 days

Colour: new/used

Shipping method: Courier delivery

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EXTR/ADM Control Status Messages ? Disabled—Extr/Adm control is not enabled and will have no effect. ? Enabled—Extr/Adm has been enabled but is not active or in control. Permissives have not been met (speed <“E/A enable speed” setting, generator or tie breaker open). ? Active / Not in Cntl—Extr/Adm has been enabled but the turbine is on a operating limit with Speed ? Priority selected or the LP valve limiter is limiting Extr/Adm PID output. ? In Control—Extr/Adm PID is in control of its process. ? Active w/Rmt Setpt—Extr/Adm has been enabled and the Remote Extr/Adm setpoint is in control of the setpoint but the turbine is on a operating limit with Speed Priority selected or the LP valve limiter is limiting Extr/Adm PID output.

? Control w/Rmt Setpt—Extr/Adm is in control and the Remote Extr/Adm setpoint is positioning the Extr/Adm setpoint. ? Inhibited—Extr/Adm cannot be enabled; the Extr/Adm input signal has failed, a controlled stop is selected, or the unit is shut down. EXTR/ADM Dynamics The Extr/Adm PID uses its own set of dynamic settings. These values are programmable and may be tuned at any time. Refer to Chapter 5 of this manual for information on Extr/Adm PID Dynamic Adjustments. EXTR/ADM Droop When sharing control of a parameter with another external controller, the Extr/Adm PID can also receive a programmable DROOP feedback signal for control loop stability. This feedback signal is a percentage of the Extr/Adm PID’s output. By including this second parameter into the control loop, the Extr/Adm PID becomes satisfied, and does not fight with the other external controller over the shared parameter. If Extr/Adm droop is used, the Extr/Adm input signal will not match the Extr/Adm setpoint when in control. The difference will depend on the amount (%) of droop programmed and the output of the Extr/Adm PID. The Droop value fed back to the Extr/Adm PID is equal to the following defaulted settings: PID OUTPUT % x ‘EXTR/ADM DROOP %’ x ‘RATED EXTR/ADM SETPOINT’ x 0.0001 Example: 25% x 5% x 600 psi x 0.0001 = 7.5 psi The ‘Rated Extr/Adm Setpoint’ is defaulted as the ‘Max Extr/Adm Setpoint’ and can be adjusted in the Service Mode. 

The ‘Extr/Adm Droop %’ and ‘Max Extr/Adm Setpoint’ values are set in the Program Mode and the ‘PID output %’ is determined by the Extr/Adm demand. Refer to Volume 2 of this manual for information on related Service mode tunables. EXTR/ADM Setpoint The Extr/Adm setpoint may be adjusted from the 505E keypad, external contacts, Modbus commands, or through a 4–20 mA analog input signal. A specific setting can also be directly entered from the 505E keypad or through Modbus commands.