
5 User Communication
3-76
WindO/I-NV4 User’s Manual
• Number of bytes and comparison data
When the converted data is
3034h
, the data used for comparison with the BCC part of the receive data is as
follows.
• BCC data comparison
The comparison data is compared with the BCC part of the receive data.
In the following receive data, when the comparison data is the 1-byte 34h, there is a match since the BCC part data
is 34h.
When there is no match, the BCC Error (address 0, bit 0) of the Status Device changes to 1.
• When the calculation type is
Modbus ASCII (LCR)
When the BCC calculation result is
4241h
after
Hexadecimal to ASCII
conversion the resulting two bytes of
data is used for comparison with the BCC part of the receive data.
• When the calculation type is
Modbus RTU (CRC)
When the BCC calculation result is
BA30h
with no conversion the two bytes of data is used for comparison with
the BCC part of the receive data.
0
(30h)
4
(34h)
Comparison data
4
(34h)
Bytes: 1
Converted data
(Second byte) (First byte)
0
(30h)
4
(34h)
0
(30h)
4
(34h)
Comparison data
Bytes: 2
Converted data
(Second byte) (First byte)
1
(31h)
4
(34h)
5
(35h)
2
(32h)
STX
(02h)
3
(33h)
BCC
(34h)
CR
(0Dh)
Comparison data
Match
Receive data
BCC part
4
(34h)
B
(42h)
A
(41h)
B
(42h)
A
(41h)
Comparison data
4241h
Hexadecimal to ASCII
Data
Bytes: 2
Converted data
(Second byte) (First byte)
BAh
30h
BAh
30h
BA30h
No conversion
Comparison data
Data
Bytes: 2
Converted data
(Second byte) (First byte)
Содержание MICRO/I HG4G-CJT22 F-B Series
Страница 1: ...B 1701 11 User s Manual ...
Страница 26: ...Preface 25 WindO I NV4 User s Manual ...
Страница 50: ...1 WindO I NV4 Specifications 2 18 WindO I NV4 User s Manual Baltic Font ANSI 1257 Cyrillic Font ANSI 1251 ...
Страница 106: ...5 WindO I NV4 Common Operations and Settings 2 74 WindO I NV4 User s Manual ...
Страница 254: ...7 BACnet Communication 3 148 WindO I NV4 User s Manual ...
Страница 362: ...5 Screen Restrictions 5 28 WindO I NV4 User s Manual ...
Страница 402: ...3 Text 7 30 WindO I NV4 User s Manual ...
Страница 574: ...9 Potentiometer 8 172 WindO I NV4 User s Manual ...
Страница 1052: ...4 Using the Data 15 22 WindO I NV4 User s Manual ...
Страница 1170: ...6 Important Notes 20 60 WindO I NV4 User s Manual ...
Страница 1200: ...5 Restrictions 22 18 WindO I NV4 User s Manual ...
Страница 1260: ...5 Editing User Accounts on the MICRO I 23 60 WindO I NV4 User s Manual ...
Страница 1286: ...4 Clear 24 26 WindO I NV4 User s Manual 4 Click Yes 5 Click Close This concludes clearing data ...
Страница 1288: ...4 Clear 24 28 WindO I NV4 User s Manual 6 Click Yes 7 Click Close This concludes clearing data on the external memory device ...
Страница 1322: ...2 Monitoring on the MICRO I 25 28 WindO I NV4 User s Manual ...
Страница 1414: ...4 E mail Function 28 66 WindO I NV4 User s Manual ...
Страница 1554: ...3 Settings 34 14 WindO I NV4 User s Manual ...
Страница 1642: ...2 Handling Problems 36 6 WindO I NV4 User s Manual ...
Страница 1652: ...5 Text Alignment A 10 WindO I NV4 User s Manual ...
Страница 1664: ...Index 12 WindO I NV4 User s Manual ...