Over Speed channels (NP) - TB-1-4920-443-350116

TB 1-4920-443-35

AEDATS II T700 Alignment Worksheet

(15)Over Speed channels (NP)

(Refer to page 36 step 40)

(a) Over speed power section #1.

(b) Set the CEC 2700 oscillator controls as follows: (NP)

1 Level 500mV to 1.5 V, (voltage is needed to drive amp)

(c) Input the following frequencies into connector E1 pins 8 and 9. Thumbwheel setting 1333

Speed

Limit control indicator

Hz/%

+/- .3hz

133hz (10%)

____________

533hz (40%)

____________

800hz (60%)

____________

1200hz (90%)

____________

1333hz (100%)

____________

NOTE

Over speed power section #2 is not connected

(d) Set frequency at 90% and 100% of thumbwheel setting to check alarms

1 90% alarm 1200 Hz______100% alarm 1333 Hz _______audible alarm Y/N_____

(16)Power turbine speed (NG) speed indicator

(Refer to page 53 step 47A2)

(a) Set calculating counter controls as follows: (Channel 1)

1 DEC

4

2 C

04682

3 10n

0

4 Auto

depressed

5 x10

released

6 Sample rate (fast)

1

7 Test

released

(b) Set the oscillator controls as follows: (NG)

1 Level 500mV to 1.5 V, (voltage is needed to drive amp)

(c) Input the following frequencies into connector E3 pins 20 and 21.

Oscillator

Calculating

AEDATS 2

Gauge Analog

Gauge Digital

Frequency

counter

+/- .3%

(RPM 2)

+/- .3%

+/- 1hz

214hz (10%)

____________

854hz (40%)

____________

1282hz

____________

(60%)

1709hz

____________

(90%)

2136hz

____________

(100%)

116