CT2565-FP 데이터 시트보기 (PDF) - Aeroflex Corporation
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CT2565-FP Datasheet PDF : 31 Pages
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COMMAND WORD
CMD WORD RECEIVED
FROM 1553
STOP
WORD VALIDATION
NO
RT-RT
TXFER
YES
RT-RT
RT
ADDR
YES
WORD COUNT LATCHED
T/R BIT LATCHED
MODE CODE PULSE
(MODE CODE ONLY)
YES
STATUS TO 1553
CMD
ILLEGALIZED
?
NO
STATEN PULSED
STOP
HANDSHAKE
(DMA)
HS FAIL
DATA WORD(S)
A
NO
YES
STATUS TO 1553
SSU
BUSY
NO
RX
YES
CMD
DATA FROM 1553
STOP
STATUS TO 1553
WORD VALIDATION
HANDSHAKE
(DMA)
HS FAIL
STOP
STATEN PULSED
HS FAIL
MORE
DATA?
YES
HANDSHAKE
(DMA)
NO
MEMORY WRITE
DATA WORD
TO SSIU
INCREMENT MEM ADDR
OUTPUT
MEMORY READ
DATA WORD
FROM SSIU
INCREMENT MEM ADDR
OUTPUT
MORE
YES
DATA?
NO
STATUS TO 1553
DATA TO 1553
STATEN PULSED
SOM PULSED
SHORT LOOP
SHORT LOOP
NO
STOP
DATA
EXPECTED
?
YES
A
END OF MESSAGE
PULSED
STOP
Notes:
(1) Steps marked with " _ _ _" indicates operation is transparent to user.
(2) Steps marked with " ___" indicates user interaction required.
Aeroflex Circuit Technology
Figure 12 – RTU Single Message Transfer Flow Diagram
12
SCDCT2565 REV B 8/10/99 Plainview NY (516) 694-6700
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