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參數資料
| 型號： | BU-65145-830Z |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項-數據表參考 |
| 文件頁數： | 20/24頁 |
| 文件大?。?/td> | 219K |
| 代理商： | BU-65145-830Z |
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 |
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| BU-65145-840 | Controller Miscellaneous - Datasheet Reference |
| BU-65145-840K | Controller Miscellaneous - Datasheet Reference |
| BU-65145-860K | Controller Miscellaneous - Datasheet Reference |
| BU-65145-860L | Controller Miscellaneous - Datasheet Reference |
| BU-65145-860Q | Pushbutton - Illuminated & Industrial Controls |
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