
B-63322EN-1/01 4. PROTOCOL A
-19-
4.4.2
Description of Data Part
Data part of message is of variable length. Up to 4096 and 72 bytes
can be received/transmitted in the case of <DAT> and the others,
respectively.
1) Data part of SAT
Byte
position
Meaning and code
Default value
(hexadecimal)
1 Switching of remote/tape operations
According to parameter (Data No. 5000, #1)
setting. (*C)
0
2 Status of remote buffer
0: Non-completion status of operation
preparation
1: Reset status
2: Operation status
3: Alarm status
4: Open line
0
3 Causes of shift to alarm status
0: NC alarm
1: Checksum error (retry over)
6: Reception of unexpected response
(command error)
A: Overrun error (retry over)
0
4 Not used ---
5 - 8 Number of bytes currently stored in the buffer
(Four-digit hexadecimal number)
0000
9 - 12 Current value of parameter Nb
Empty area limit of buffer
(Four-digit hexadecimal number)
07D0
13 - 16 Current value of parameter No
Amount of maximum overrun on reception
(Four-digit hexadecimal number)
0032
17 - 20 Current value of parameter No
Number of times of retry on detecting a
transmission error (Four-digit hexadecimal
number)
000A
21 - 24 Current value of parameter Tp
Polling time interval (second)
(Four-digit hexadecimal number)
0005
25 - 28 Current value of parameter To
Time-out time (second)
(Four-digit hexadecimal number)
0014
29 - 32 Current value of parameter Ti
Minimum time interval between bytes
transmitted (Four-digit hexadecimal number)
000A
33 - 36 Current value of parameter Tx
Minimum switching time from reception to
transmission (Four-digit hexadecimal number)
0064
37 - 40 Current value of parameter Tw
Waiting time on reception of (WAT)
(Four-digit hexadecimal number)
0005