Pepperl+Fuchs VBG-EN-K20-D - Command Interface Examples; Reading 16-Bit Input Values

AS-i EtherNet/IP Gateway
Command Interface
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+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
Issue date - 24.4.2007
109
8.5 Command Interface examples
You can find actual command interface examples in the download area of the
homepage.
8.5.1 Reading 16-bit input values
Command RD_7X_IN: Reading of 16-bit input values.
Meaning of the bytes:
The call of the command interaface has not been answered with the valid values
since the toggle bit has not been set.
Set of toggle bit:
Response (bei O ≡ 1)
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
17D
16
2T result
301234567
……
62425262728293031
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
(or old values)
Byte 2 00
hex
(or old values)
Byte 3 00
hex
(or old values)
Byte 4 00
hex
(or old values)
……
Byte 12 00
hex
(or old values)
Request
Byte 1 50
hex
Byte 2 80
hex
(toggle bit, result)
Byte 3 1D
hex
(slave address 29)
Byte 4 00
hex
……