Ver.3
−
−
−
−
35
Please use “Signed” format when range of internal register data include minus value, as seen Example 3. If
you use “Unsigned” erroneously, you will get exceptional response in some cases.
When value of P057 = -10
Reading holding register [03h], Target Register
:
External Register
Query:
Response:
No
Field Name
Example
(Hex)
1
Slave address
01
2
Function code
03
3
Data size (in bytes)
02
4
Register data 1 (high order)
FF
5
Register data 1 (low order)
F6
6
CRC-16 (high order)
79
7
CRC-16 (low order)
F2
*No exception occurs when reading out data. The data read correctly.
No
Field Name
Example
(Hex)
1
Slave address
01
2
Function code
03
3
Register start address (high order)
40
4
Register start address (low order)
02
5
Number of holding registers (high order)
00
6
Number of holding registers (low order)
01
7
CRC-16 (high order)
30
8
CRC-16 (low order)
0A
FFF6h represents -10 in two's
compliment
Register address value = Register
Number - 1
One register
Содержание WJ200-001L
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Страница 63: ...2 14 Dimensional drawings continued Power Type W mm H mm D mm D1 mm 3 phase 200V WJ200 150LF 220 350 175 84 ...
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Страница 300: ...5 1 Inverter System Accessories In This Chapter page Introduction 2 Component Description 3 5 ...
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Страница 328: ...A 1 Glossary and Bibliography In This Appendix page Glossary 2 Bibliography 8 A ...
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Страница 552: ...Ver 3 43 External register number 1218h A021 HIGH 1219h A021 Low Internal register number 120Fh A013 Access Denied ...
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Страница 674: ...Index 1 Index Index page A B C 2 D E F G H 3 I J K L M 4 N O P 5 Q R S 6 T U V W X Y Z 7 Index ...