7 Programming FCs (Functions) and FBs for S7 Ethernet CPs
A-220
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Commands and Evaluating the Job Results
The following table shows you the possible commands and the results that can be
evaluated in the RESULT1/2 parameters.
Table 7-7 Commands to FC AG_CNTRL
CMD
Meaning
0 NOP – no operation
The block executes without a job being sent to the CP.
RESULT (for CMD = 0) Meaning
Parameter Hex value/range
RESULT1 0000 0001
H
Executed without error
RESULT2 0000 0000
H
Default
CMD Meaning
1 CN_STATUS – connection status
This command returns the status of the connection selected with the ID.
The CP is selected in the LADDR parameter.
If bit 15 (reset ID) is set, this is automatically reset (this action corresponds to the
CN_CLEAR_RESET job - see CMD = 5).
RESULT (for CMD = 1) Meaning
Parameter Hex value/range Bit/valu
e
RESULT1 0000 000*
H
Bits 0-3: Codes for the send direction
(excluded values: 0x2)
Bit 0 Connection Type
0 No send and receive connection
1 Connection reserved for send and
receive jobs
Bit 1 Status of current job
0 No send job being executed
1 Send job being executed
Bits 2+3 Previous job:
00 No information available on previous
send job
01 Previous send job completed
successfully
10 Previous send job not completed
successfully
FC10 AG_CNTRL - continued