Star Tech Journal

m
July 1993
STAR*TECH Joumal
HU ... APR .1.5 ,./ .1. 993
Ti Ming:
MeMOl"'Y 3
.1.4:26 CJ OBA
r1·· Asyn 200 µ$ Cµ~:0
Re£~
128. ~ursor
1ze Re£ to Cursor :::;: -.1.. 6111S
CR
=
21<
:::fil1l;E r-·-···
:fi.I•:m:ID
(•1m,1,;p;] r----
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r
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Figure 1: Credit Train Pulses For A $5 Bill (spec. 3Oms long/5Oms between).
14 32 ~-OBA CR
2k
+6.6MS
1
0
I
- -
t=-============================~ ·-----------~
.1. '
-
" 7 ,...___.
-
0
0
Figure 2: Short First Credit Pulse (6.6ms) Should Be 3Oms.
THU...
APR 15..
1993
•v=t••v
T.1. Asyn 200 µS Cu~:0
Rec=
4.1.?
Cursor=
•
568
■ H?ff ■I§ I ■
Re£
14 34 C·OBA CR
2k
to Cursor :::;:
+28.6MS
T
0
----i___s-----.,_ -_-_ -_ -_-_ -_ -_ -_ -------------i _ _ _ _ _;-
.... -_-_ -_ ---_ ------------------:_ ____ _,------=======
L
--···--r-•--·------ w
I
I
Figure 3: Normal Credit Pulse (28.6ms
±
2 x 2OOus)
~ 3Oms.
~UP: Credit Pulse At Microprocessor (Z9.24). GTO: Output Of Inverter (Z8.2).
DRO: Driver For Relay Output (Z5.1O). CRO: Credit Relay Output At Interface Connector (P1O5.14).
STK: Stacker Pulse (Z9.23).
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