Yokogawa JUXTA M Series Digital Limit Alarms MVTK Uživatelský manuál Strana 53

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<Toc> <Ind> <5. MODBUS Communication >
5-7
IM 77J04J11-01E 1st Edition : 2006.08.25-00
06 Writes data into a D register
Function
Writes data into a specified D register.
The maximum number of D registers to be written into at a time is 1.
For the format of response in the event of failure, see subsection 5.2.2.
Broadcast addressing is possible by setting 00 in the address number.
Message (for normal operation)
Message (continued)
Element Start of
Message Mark
(:)
Address
Number
(ADR)
Function
Code (06)
D-Register
Number
(Lower Digit)
Number of bytes in RTU mode None 1 1 1
1
None
2
22 2
D-Register
Number
(Upper Digit)
1
2Number of bytes in ASCII mode
Error
Check
End of Message
Mark (CR+LF)
Write Data
(Upper Digit)
2
1
Write Data
(Lower Digit)
2
1
2
2
Response (for normal operation)
Response (continued)
Element Start of
Message Mark
(:)
Address
Number
(ADR)
Function
Code (06)
D-Register
Number
(Lower Digit)
Number of bytes in RTU mode None 1 1 1
1
None
2
22 2
D-Register
Number
(Upper Digit)
1
2Number of bytes in ASCII mode
Error
Check
End of Message
Mark (CR+LF)
Write Data
(Upper Digit)
2
1
Write Data
(Lower Digit)
2
1
2
2
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