Enables plate carrier
position reading,
HIGH
active
1 Enables filter position
reading
-
2 inhote plate solenoid
3 Enables plate carrier
stepping motor operation,
LOW
active
B4
Sets filter motor rotation
directions
B5
Sets plate carrier motor
driving direction,
LOW
inwards,
HIGH
outwards
R6
Enables filter motor driving
Sets halflfull step driving
method for plate canler
motor,
LOW
full step,
HIGH
half step
Table 3-5
030
Output
signals,
port
B
MULTISKAN RC and
C0 converter gain
bit
61
C1
converter gain bit
G2
-
C2
converter gain bit
GO
C6-64
Lamp voltage control lines
to
power supply
Table
3-6
030
Output
signals,
port
C
(8253,Timer). Address space of CS3
is 20B-2FB. Circuit contains
3
separate
16-bit counters:
Counter 0
=:
y counter, lead to
CPU's
Counter
1
=
Generates clock frequency for
stepping motors
Counter
2
=
Generates timing interrupt
signal, lead to
CPU's
RSTI.5
input
(8251, USART). Address space
of
CS7 is 60H-6FH. Circuit controls serial
interfaceRS-232Cusingthefollowingsignals:
RxB
=
Receive Data
TxD
=
Transmit Data
DSR
=
Data Set Ready (Peripheral
ready to receive
BTR
=
Data Terminal
ready to receive)
Document
3511352- 100-M
Release
2.0
Section
3
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