Undefined
N1 Climb Limit
Min. PS3 Limit
N1/N2 Speed Control
Max. N2 Speed Limit
Max. PS3 Limit
Wf Decel Rate Limit
Wf Accel Rate Limit
WF/PS3 Min Decel Limit
WF/PS3 Topping Accel Limit
Min. WF limit
Max. WF limit
N1/N2 Over speed limit
dFMV/dt Min. Limit
dFMV/dt Max. Limit
N2 Rate Accel Limit
N2 Rate Decel Limit
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10
11
12
13
14
15
16
CFM56-7 FMV Controlling Regulator Definition
Reg. Fuel Control Mode Regulator – a fuel control using real time data
that refreshes 66 times per second to operate the
engine.
3 TRA = idle use N2 control
TRA > IDLE USE N1 control
7 Acceleration rate limit reached
Inspect LP pump
13/14 FMV change rate vs. time with min and
max limits.
Fast as allowable
Fast as allowable
300 lbs/hr
Down loading DFDR or QAR disk, will provide regulator past and present. Send DFDR un-decoded to Boeing.作者: vinson 时间: 2011-11-19 21:48:18