7 Programming FCs (Functions) and FBs for S7 Ethernet CPs
A-214
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Parameter Declaratio
n
Type Possible
Values
Remarks
ID INPUT INT 1,2...16 for
S7-300
1,2...64 for
S7-400
The connection number of the connection is
specified in the parameter ID. (See
Configuration Section 5.3.1)
LADDR INPUT WORD Module base address
When you configure the CP with STEP 7
hardware configuration, the module base
address is displayed in the configuration table.
Specify this address here.
STATUS OUTPUT WORD see following
table
Status code
For meaning, refer to the table below.
Condition Codes
The following table shows the STATUS code that must be evaluated by the user
program.
Table 7-5 AG_UNLOCK Condition Codes
STATUS Meaning
7000H CP is not processing a job
7001H FETCH active
7002H WRITE active
8183H FETCH/WRITE not configured for this connection (only with S7-400)
8186H ID number not in permitted range (e.g. 1...64 with S7-400 Industrial Ethernet CPs)
80A4H The communication bus connection between the CPU and CP is not established. (Only
with newer CPU versions)
80B0H The module does not recognize the data record.
80B1H The specified length (in the LEN parameter) is incorrect.
80B2H The communication bus connection between the CPU and CP is not established.
80C0H The data record cannot be read.
80C1H The specified data record is currently being processed.
80C2H There are too many jobs pending.
80C3H CPU resources (memory) occupied.
80C4H Communication error (occurs temporarily and a repetition in the user program will often
remedy the problem).
80D2H Module base address incorrect.
FC8 AG_UNLOCK - continued
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