Table of Contents
Advertisement
INDICATION
Gate Pulse Generator
Cards Tabs 12 and 20
(each card) Pulse
Train Output
Driver Coordination
Card
IIZERO"
Adjust
(no scope required)
Transfer Function
TR Func. Balance Adj.
CHECK/ADJUST/REPLACE
Scale: 2
mi1lise~/div 2ovfJ6'.9MILLISECL
10 vo1ts/dl.v:.:1J
0
(If pulse trains are missing
or continuous, replace card
under test.)
12. Remove coordination card from the regulator.
With the VOM common lead on TB-1 and the
+
lead on TB-14, adjust the
"ZERO
ADJ
I1
potentio-
meter on the driver coordination card to just,
obtain the minimum voltage possible (approxi-
mately +.8VDC).
13. Turn mode selector switch to auto-start drive.
Observe that KXA motor is regulating set
pressure.
Increase flow demand.
KXA motor
will increase in speed to regulate speed until
it reaches top speed.
At this point, the set
pressure will drop and the balance pot should
be adjusted slowly (CW) until the K motor
starts.
6-8
Advertisement
Table of Contents
