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Setting the toggle bit:
Byte 1
Byte 2
Byte 3
Byte 4
...
Byte 12
Byte 1
Byte 2
Byte 3
...
Byte 12
The master has now been ordered to switch to protected mode.
6. Wait until master is in normal (protected) operation mode
Read out the flags, until the NA (Normal Operation Active) has been set.
Byte 1
Byte 2
Byte 3
...
Byte 12
Byte 1
Byte 2
...
Byte 12
No result because toggle bit = 0.
Subject to reasonable modifications due to technical advances.
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Request: SET_OP_MODE
0C
(SET_OP_MODE)
hex
80
(T = 1, master 1, single master)
hex
00
(= protected mode)
hex
00
hex
...
00
hex
Response
0C
hex
80
(T = 1, result = 0)
hex
00
(or old values)
hex
...
00
(or old values)
hex
Request: GET_FLAGS
47
(GET_FLAGS)
hex
00
(T = 0, master 1, single master)
hex
00
hex
...
00
hex
Response
00
(or old values)
hex
00
(or old values)
hex
...
00
(or old values)
hex
AS-i/PROFIBUS-Gateway
Command Interface
Copyright Pepperl+Fuchs, Printed in Germany
131
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