723PLUS/Analog Load Sharing Manual 02879
80 Woodward
LSS Control Mode
This menu is for display only. It displays the Control Modes in the 723PLUS
control.
1. SPEED IN CONTROL will show TRUE when the fuel demand is being
controlled by the Speed Control.
2. ON START FUEL LIMIT will show TRUE when the fuel demand is being
limited by the START FUEL LIMIT.
3. ON MAXIMUM LIMIT will show TRUE when the fuel demand is being
limited by the MAX FUEL LIMIT.
4. ON EXTERNAL LIMIT will show TRUE when the fuel demand is being
limited by the EXT FUEL LMT CURVE.
5. ON TORSIONAL LIMIT will show TRUE when the fuel demand is being
limited by the TORSNL FUEL LIMIT.
6. ACTUATOR SHUTDOWN will show TRUE when the fuel demand is being
limited by the ACTUATOR SHUTDOWN LIMITER.
7. REMOTE SPEED ENBLD will show TRUE when the REMOTE SPEED
REFERENCE is enabled (AI3 input device or Modbus AW).
8. 2nd DYNAMICS ENBLD will show TRUE when 2nd Dynamics are enabled
and used by the control.
9. REAL GAIN SETTING displays the actual gain value that is applied to the
speed control PID. This is the gain value after all internal calculations and
curves that may be applied to the entered gain setting are applied.
10. SPD SENSOR 1 ACTIVE will show TRUE when speed sensor input #1 is
actively used by the control.
11. SPD SENSOR 2 ACTIVE will show TRUE when speed sensor input #2 is
actively used by the control.
12. PORT 1 ON HANDHELD will show TRUE when Port 1 is setup to
communicate with a handheld programmer.
13. PORT 1 ON SERVLINK will show TRUE when Port 1 is setup to
communicate by ServLink with a PC.
Display Menu
This menu is for display only. It shows several control parameters which are
often used to determine the operation of the engine.
1. ENGINE SPEED displays the present engine speed in rpm.
2. BIASED SPD REF displays the total output of the speed reference ramp,
load sharing bias, droop bias, and synchronizer bias. This biased speed
reference is the set point input to the speed control PID. Note that this may
not be the speed the engine is presently running at due to the effect of
droop, fuel limiters, etc.
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