YOKOGAWA VZ20X, Руководство пользователя

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IM 77V01B01-01EN 5th Edition: 2023.03.07-00
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70 Data acquisition control
●
Function
・
This command starts and stops data acquisition.
Function selection
Function selection code Description
0001 Start data acquisition
0002 Stop data acquisition
●
Message (during normal operation)
Element MBAP Header PDU
Number of
bytes
2 2 2 1 1 2
Command
elements
Transfer
ID
Protocol
ID
Number
of bytes
Unit ID Function
code
(0x46)
Function
selection
(Hex) Arbitrary 0000 0004 01 46 0001
or
0002
●
Response (during normal operation)
Element MBAP Header PDU
Number of
bytes
2 2 2 1 1 2
Command
elements
Transfer
ID
Protocol
ID
Number
of bytes
Unit ID Function
code
(0x46)
Function
selection
(Hex) Arbitrary 0000 0004 01 46 0001
or
0002
Note 1: Byte count = 2 x number of read registers