Appendix A
2014-
02
99
11
Appendix A
11.1
Example 1
Assembly objects 101d/151d (mixed mode) are used in the example. The following
functions are activated:
■
Set tag type IPC02 on channel 1 and channel 2.
■
Read read only code from IPC02 tag.
■
Implicit communication.
Prerequisites:
■
One type IPH-XX read/write head is connected to channel 1 and channel 2 on the
IDENTControl Compact.
■
One type IPC02 tag is located in front of each read/write head.
■
The IP address of the IDENTControl Compact is set to a free address.
■
The device is connected to the network.
Setting connection parameters
These parameters are configured on the PLC:
Setting tag type IPC02 on channel 1 and channel 2
Send the command change tag to channel 1 as an implicit command:
Confirmation:
Assembly instance
Size (32 bits)
Input: 151
3
Output: 101
3
Configuration: 112
(this value is used for all input/output
instances)
0
(this value is used for all input/output
instances)
Byte no.
Use
Type
Description
Byte 0
Command code
04h
Command
CT
(change tag)
Byte 1
Channel/Toggle bit
02h
Channel = 1
Toggle bit = 0
Byte 2
Tag type (high byte)
30h
IPC 02
Byte 3
Tag type (low byte)
32h
IPC 02
Byte 4
...
Byte 11
00h
Byte no.
Use
Type
Description
Byte 0
Command code
04h
Command
CT
(change tag type)
Byte 1
Number of double words/
Channel/Toggle bit
02h
Channel = 1
Toggle bit = 0
Byte 2
Status
FFh
Processing command.
Byte 3
Reply counter
01h
For every ident telegram, the value
on the reply counter increases by
1.
Byte 4
...
Byte 11
00h