BONFIGLIOLI Vectron Agile, Communications Manual

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Modbus Agile 61 02/2011
Modbus Message Examples
9.2.3 Function Code 8, Diagnostics
Example 1a:
Clearing all Diagnostic Counters (Sub-function 0x0A) in the frequency inverter with address 1.
Request: Master

Frequency Inverter
Field: SoF Addr. Fct.Code Sub-function Data LRC EoF
ASC : 0 1 0 8 0 0 0 A 0 0 0 0 E D CR LF
Hex 3A 30 31 30 38 30 30 30 41 30 30 30 30 45 44 0D 0A
Response: Frequency Inverter

Master
Field: SoF Addr. Fct.Code DSet/ Para-No. No. of Regs LRC EoF
ASC : 0 1 0 8 0 0 0 A 0 0 0 0 E D CR LF
Hex 3A 30 31 30 38 30 30 30 41 30 30 30 30 45 44 0D 0A
The response is an echo of the request. All counters are now set to zero.
Example 1b:
With all counters set to zero, read Diagnostic Counter 4, "Slave Message Count" (Sub-function 0x0E)
from the frequency inverter with address 1.
Field: SoF Addr. Fct.Code Sub-function Data LRC EoF
ASC : 0 1 0 8 0 0 0 E 0 0 0 0 E 9 CR LF
Hex 3A 30 31 30 38 30 30 30 45 30 30 30 30 45 39 0D 0A
Response: Frequency Inverter

Master
Field: SoF Addr. Fct.Code Sub-function Data LRC EoF
ASC : 0 1 0 8 0 0 0 E 0 0 0 1 E 8 CR LF
Hex 3A 30 31 30 38 30 30 30 45 30 30 30 31 45 38 0D 0A
Example 2:
Read unknown Diagnostic Counter 8 (Sub-function 0x13) from frequency inverter with address 1.
Response: Master

Frequency Inverter
Field: SoF Addr. Fct.Code Sub-function Data LRC EoF
ASC : 0 1 0 8 0 0 1 3 0 0 0 0 E 4 CR LF
Hex 3A 30 31 30 38 30 30 31 33 30 30 30 30 45 34 0D 0A
Error Response: Frequency Inverter

Master
Field: SoF Addr. Fct.Code Except.
Code
LRC EoF
ASC : 0 1 8 8 0 1 7 6 CR LF
Hex 3A 30 31 38 38 30 31 37 36 0D 0A
The exception code sent is hexadecimal value 0x01 = ILLEGAL FUNCTION.
9.3 ASCII-Table (0x00 – 0x7F)
Dec. Hex. Char. Dec. Hex. Char. Dec. Hex. Char.
0 00 NUL 43 2B + 86 56 V
1 01 44 2C , 87 57 W
2 02 STX 45 2D - 88 58 X
3 03 ETX 46 2E . 89 59 Y
4 04 EOT 47 2F / 90 5A Z
5 05 ENQ 48 30 0 91 5B [
6 06 ACK 49 31 1 92 5C \
7 07 BEL 50 32 2 93 5D ]
8 08 BS 51 33 3 94 5E ^
9 09 TAB 52 34 4 95 5F _
10 0A LF 53 35 5 96 60 `
11 0B VT 54 36 6 97 61 a
12 0C FF 55 37 7 98 62 b
13 0D CR 56 38 8 99 63 c
14 0E 57 39 9 100 64 d
15 0F 58 3A : 101 65 e
16 10 59 3B ; 102 66 f
17 11 60 3C < 103 67 g
18 12 61 3D = 104 68 h
19 13 62 3E > 105 69 i
20 14 63 3F ? 106 6A j
21 15 NAK 64 40 @ 107 6B k
22 16 65 41 A 108 6C l
23 17 66 42 B 109 6D m
24 18 67 43 C 110 6E n
25 19 68 44 D 111 6F o
26 1A 69 45 E 112 70 p
27 1B ESC 70 46 F 113 71 q
28 1C 71 47 G 114 72 r
29 1D 72 48 H 115 73 s
20 1E 73 49 I 116 74 t
31 1F 74 4A J 117 75 u
32 20 SPACE 75 4B K 118 76 v
33 21 ! 76 4C L 119 77 w
34 22 „ 77 4D M 120 78 x
35 23 # 78 4E N 121 79 y
36 24 $ 79 4F O 122 7A z
37 25 % 80 50 P 123 7B {
38 26 & 81 51 Q 124 7C |
39 27 ' 82 52 R 125 7D }
40 28 ( 83 53 S 126 7E ~
41 29 ) 84 54 T 127 7F DEL
42 2A * 85 55 U
Values used often are highlighted in grey.