Explicit Messages Connection - Datalogic DeviceNet AMT58 Series Instruction Manual

6.4.3 Explicit Messages Connection

These messages are meant to open and close P2P connections
between Master and Slave. This is necessary to allow the Slave both
to communicate
communicate or change parameters using "Data transfer" messages.
Open connection request:
Byte bit7
0 F=0
1 R/R=0
2
3
4
5
Open connection response:
Byte bit7
0 F=0
1 R/R=1
2
Close connection request:
Byte bit7
0 F=0
1 R/R=0
2
3
Release choice = Allocation Choice *
4
Close connection response:
Byte bit7
0 F=0
1 R/R=1
2
* Allocation choice:
bit 7 Reserved
bit 6 Ack suppression
bit 5 Cyclic
bit 4 Change of status
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process data
bit6 bit5 bit4 bit3
0 Master MAC-ID
Service Code = 4Bh
Class ID = 03h
Instance ID = 01h
Allocation Choice *
Master MAC-ID
bit6 bit5 bit4 bit3
0 Master MAC-ID
Service Code = 4Bh
General error code
bit6 bit5 bit4 bit3
0 Master MAC-ID
Service Code = 4Ch
Class ID = 03h
Instance ID = 01h
bit6 bit5 bit4 bit3
0 Master MAC-ID
Service Code = 4Ch
General error code
AMT58x-DN DeviceNET®
using "I/O Messages"
bit2 bit1 bit0
bit2 bit1 bit0
bit2 bit1 bit0
bit2 bit1 bit0
bit 3 Multi polled
bit 2 Bit strobe
bit 1 Polled
bit 0 Explicit message
and
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