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參數(shù)資料
| 型號： | BUS-65142-200K |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, QIP78 |
| 封裝： | KOVAR, QIP-78 |
| 文件頁數(shù)： | 9/26頁 |
| 文件大小： | 247K |
| 代理商： | BUS-65142-200K |
17
Data Device Corporation
www.ddc-web.com
BU-65142 and BUS-65142 SERIES
U-05/02-0
RESERVED MODE COMMAND (01001-01111)
MESSAGE SEQUENCE = RESERVED MODE COMMAND * STATUS
The RTU responds with clear status and no data. If the command is illegalized through an optional PROM, the message error bit is set and only
the status word is transmitted.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No status response. Bits Set: message error (SW), High Word Count (BIT Word).
3. T/R bit Set to Zero. No status response. Bits set: message error (S/W), Illegal Mode Code (BIT Word).
4. Zero T/R bit and Broadcast Address. No status response. Bits Set: message error, broadcast received (S/W), Illegal Mode Code (BIT Word).
RESET REMOTE TERMINAL (01000)
MESSAGE SEQUENCE = RESET REMOTE TERMINAL * STATUS
The RTU responds with status and internally resets. Transmitter shutdown, mode commands, BIT Word, and inhibit terminal flag commands will be
reset. If the command was broadcast, the broadcast received bit is set and the status word is suppressed.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No status response. Bits Set: message error (SW), High Word Count (BIT Word).
3. T/R bit Set to Zero. No status response. Bits Set: message error (S/W), T/R Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No status response. Bits set: message error, broadcast received (S/W), T/R Error (BIT Word).
OVERRIDE INHIBIT TERMINAL FLAG BIT (00111)
MESSAGE SEQUENCE = OVERRIDE INHIBIT TERMINAL FLAG * STATUS
The RTU responds with status and reactivates the terminal flag bit in the status register. If the command was broadcast, the broadcast received bit
is set and status transmission is suppressed.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No status response. Bits Set: message error (SW), High Word Count (BIT Word)
3. T/R bit Set to Zero. No status response. Bits set: message error (S/W), T/R Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No status response. Bits Set: message error, broadcast received (S/W), T/R Error (BIT Word).
INHIBIT TERMINAL FLAG BIT (00110)
MESSAGE SEQUENCE = INHIBIT TERMINAL FLAG * STATUS
The RTU responds with status and inhibits further internal or external setting of the terminal flag bit in the status register. Once the terminal flag
has been inhibited, it can only be reactivated by an Override Inhibit Terminal Flag or Reset RT command. If the command was broadcast, the
broadcast received bit is set and status transmission is suppressed.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No status response. Bits Set: message error (SW), High Word Count (BIT Word)
3. T/R bit Set to Zero. No status response. Bits set: message error (S/W), T/R Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No status response. Bits Set: message error, broadcast received (S/W), T/R Error (BIT Word).
OVERRIDE TRANSMITTER SHUTDOWN (00101)
MESSAGE SEQUENCE = OVERRIDE SHUTDOWN * STATUS
This command is only used with dual redundant bus systems. The RTU responds with status. At the end of the status transmission, the RTU re-
enables the transmitter of the redundant bus. If the command was broadcast, the broadcast received bit is set and status transmission is sup-
pressed.
ERROR CONDITIONS
1. Invalid Command. No response, command ignored.
2. Command Followed by Data Word. No status response. Bits Set: message error (SW), High Word Count (BIT Word)
3. T/R bit Set to Zero. No status response. Bits set: message error, broadcast received (S/W), T/R Error (BIT Word).
4. Zero T/R bit and Broadcast Address. No status response. Bits Set: message error, broadcast received (S/W), Illegal Mode Code,
T/R Error (BIT Word).
TABLE 5. MODE CODES IMPLEMENTED (continued)
* = Status Response Time
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