BEU8635-08 Datasheet, PDF (5/8 Pages) Aeroflex Circuit Technology – Balancing for 8-Cell Battery Cell Voltage Monitoring and Telemetry

Additional Commands
Data Load Command
1553B receive commands consist of 2 data words to the
sub-address specified in Table V. Only the first data word is
used.
Table V – Commands
Item Function Title
1 Reserved
2 Reserved
3 Reset OVP Latch
1^st Data Word
of 1553B
Sub-Address Receive
Command
(Hex)
13
-
14
-
15
0400
Telemetry Frame Sync Command
1553B broadcast command on sub-address 17 (any data
word) commands the 8635-08 to refresh its RT address.
Remote Terminal State Command
1553B transmit command on sub-address 21 for one data
word. The reply word will be 4000(Hex), to indicate that the
unit is ready to accept another command or 5000(Hex), to
indicate that the unit is busy and cannot accept another
command.
1553B Data Wrap Around
Sub-address 30 is dedicated to data wrap around as
specified in MIL-STD-1553B.
Supported Mode Codes
The 8635-08 supports the 1553B Mode Codes in Table VI.
Table VI – 1553B Mode Codes
Mode Code Name
Transmit Status Word
Transmitter Shutdown
Override Transmitter Shutdown
Reset Remote Terminal
Mode Code Number
2
4
5
8
1553B Status Flag Bits
The 8635-08 supports the following 1553B status flag bits:
1. Message Error bit
2. Broadcast Message Received bit
All other status bits are set to "0".
SCD8635-08 Rev A 3/3/08
5
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