Pepperl+Fuchs VBG-CCL-G4F, Руководство пользователя

Страница: 71 / 78

AS-i/CC-Link Gateway
Mailbox
Subject to reasonable modifications due to technical advances. Copyright Fuchs, Printed in Germany
Fuchs Group · Tel.: Germany (6 21) 7 76-0 · USA (3 30) 4 25 35 55 · Singapore 7 79 90 91 · Internet http://www.pepperl-fuchs.com
is
s
u
e
d
a
te
1
0
.1
2
.2
0
0
2
69
9.1.4 Mailbox example
Command RD_7X_IN: Reading of analog input values
Used ID/module in the GSD file: 12 bytes management
Meaning of the bytes:
The mailbox call has not been anwsered with the valid values, beause the toggle
bit has not been set.
Set of Toggle bit:
Resonse (if O
≡
1)
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 7E
16
2 T result
3 0 1 2 3 4 5 6 7
… …
6 24 25 26 27 28 29 30 31
Request: RD_7X_IN
Byte 1 50
hex
(RD_7X_IN)
Byte 2 00
hex
(master 1, single master)
Byte 3 1D
hex
(slave address 29)
Byte 4 00
hex
… …
Byte 12 00
hex
Response
Byte 1 00
hex
Byte 2 00
hex
Byte 3 00
hex
Byte 4 00
hex
… …
Byte 12 00
hex
Request
Byte 1 50
hex
Byte 2 80
hex
(Toggle bit, master 1, single master)
Byte 3 1D
hex
(slave address 29)
Byte 4 00
hex
… …
Byte 12 00
hex