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Section 4
SECS Protocol Specifications
(9) Handling of system bytes
A system byte consists of a source ID and a transaction ID.
A source ID is a fixed value and is specified in setup mode.
The initial value of transaction ID is 1, and the maximum value is 0xFFFF. A transaction ID is
incremented every time a primary message is transmitted.
(10) Stalling
The type of stalling when BUSY state is present owing to internal buffer FULL, etc., is "NAK transmit".
(11) Action after timeout detection
T3 or T4 timeout is reported by means of S9F9 message.
SECS parameters
Parameter
Dual block detection
Source ID
Single block No.
V700-L21
44
User's Manual
Default
1: Perform
0
1
Range
1: Perform, 0: Not perform
0 - 32767
0, 1
Resolution
1
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