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UT1553B_

RTR Remote Terminal with RAM

Aeroflex UTMC 

Example:

Remote terminal will transmit and buffer three MIL-STD-1553 transmit commands of various word lengths to

Subaddress 16.

MIL-STD-1553 Bus Activity:

CMD WORD #1 SW DW0 DW1 DW2 DW3

SA= 16

T/R=1

WC= 4

CMD WORD #2 SW DW0 DW1

SA= 16

T/R=1

WC= 2

CMD WORD #3 SW DW0 DW1 DW2 DW3

SA= 16

T/R=1

WC= 4

Transmit Subaddress 16;

data pointer at 03F0

(hex). (Initial condition)

After message #1,

4 data words.

03F0 (hex)

03F0 (hex)

0830 (hex)

0434 (hex)

INDEX= 0000 10

ADDRESS= 00 0011 0000

INDEX= 0000 01

ADDRESS= 00 0011 0100

After message #2,

2 data words.

After message #3,

4 data words.

03F0 (hex) 0036 (hex)

INDEX= 0000 00

ADDRESS= 00 0011 0110

03F0 (hex) 0036 (hex)

INDEX= 0000 00

ADDRESS= 00 0011 0110

Figure 7. RTR Message Handling

0830 (hex)

0434 (hex)

0036 (hex)

030436(h(hexe)x)

DATA WORD 0

DATA WORD 1

DATA WORD 2

DATA WORD 3

DATA WORD 0

DATA WORD 1

DATA WORD 0

DATA WORD 1

DATA WORD 2

DATA WORD 3

Note:

The example is valid only if message structure is known in advance.

Figure 8. Memory Storage Subaddress 16

030 (hex)

031 (hex)

032 (hex)

033 (hex)

034 (hex)

035 (hex)

036 (hex)

037 (hex)

038 (hex)

039 (hex)

RTR-13

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