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參數(shù)資料
| 型號： | BUS-65144-170W |
| 英文描述： | Low power dual voltage comparators |
| 中文描述： | MIL-STD-1553/ARINC總線控制器/ RTU通訊 |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 219K |
| 代理商： | BUS-65144-170W |
BUILT-IN-TEST
The BUS-65142 contains a 14-bit Built-In-Test (BIT) word regis-
ter which stores information about the condition of the RTU.
When a mode code is received to transmit the BIT word, the con-
tents of the BIT register is transmitted over the 1553 bus.
FIGURE 2 shows the fault assigned to each bit in the BIT word.
Conditions monitored are; transmitter timeouts, loop test failures,
transmitter shutdown, subsystem handshake failure, and the
results of individual message validations.
5
FIGURE 2. BUILT-IN-TEST (BIT) WORD REGISTER
DATA SYNC
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P
CHANNEL A/B - TRANSMITTER TIMEOUT
HANDSHAKE FAILURE
CHANNEL A/B - LOOP TEST FAILURE
MODE CODE - T/R ERROR
{
ILLEGAL OR RESERVED MODE CODE
ILLEGAL USE OF BROADCAST WITH MODE CODE
MESSAGE SERVICING ABORTED DUE TO LOW WORD COUNT
MESSAGE SERVICING ABORTED DUE TO HIGH WORD COUNT
NON-MODE BROADCAST COMMAND TO TRANSMIT
ALWAYS ZERO
CHANNEL B - TRANSMITTER TIMEOUT
CHANNEL B - LOOP TEST FAILURE
CHANNEL B - TRANSMITTER SHUTDOWN
CHANNEL A - LOOP TEST FAILURE
CHANNEL A - TRANSMITTER SHUTDOWN
CHANNEL A TRANSMITTER TIMEOUT
1. BITS 3-7 ARE CLEARED IN THE BEGINNING OF EACH NEW MESSAGE AND UPDATED AT THE END OF THE MESSAGE.
THEY ONLY REFLECT THE PRESENT COMMAND WORD.
2. BITS 0-2 AND 10-13 ARE LATCHED AND ONLY CLEARED BY A MODE RESET COMMAND OR A MASTER RESET (RESET).
NOTES
3. BITS 8 AND 9 ARE SET ONLY BY THE MODE COMMAND FOR "TRANSMITTER SHUTDOWN" AND ARE CLEARED BY THE MODE COMMAND
FOR "OVERRIDE TRANSMITTER SHUTDOWN" OR "RESET REMOTE TERMINAL". BITS 8 AND 9 ARE ALSO CLEARED BY RESET.
{
相關PDF資料 |
PDF描述 |
|---|---|
| BUS-65144-170Y | Low power dual voltage comparators |
| BUS-65144-170Z | MIL-STD-1553/ARINC Bus Controller/RTU |
| BUS-65144-180 | MIL-STD-1553/ARINC Bus Controller/RTU |
| BUS-65144-180K | MIL-STD-1553/ARINC Bus Controller/RTU |
| BUS-65144-180L | MIL-STD-1553/ARINC Bus Controller/RTU |
相關代理商/技術參數(shù) |
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| BUS98A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SITCHMODE Series NPN Silicon Power Transistors |
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