Table of Contents
Advertisement
Assignment in the Data Area
The RES_RECV FB works with an instance DB (I_RES_RECV). The DB number is specified
in the call. The data in the instance DB cannot be accessed.
Note
Exception: If the error STATUS == W#16#1E0F occurs, you can consult the SFCERR
variable for more details of the error. This error variable can only be loaded via a symbolic
access to the instance DB.
Parameters of the RES_RECV FB
The following table lists the parameters of the RES_RECV FB.
Table 6-7
Parameters of the RES_RECV FB
Name
Type
REQ
INPUT
R
INPUT
LADDR
INPUT
DONE
OUTPUT
1
ERROR
OUTPUT
1
STATUS
OUTPUT
1
The parameter is available until the next call of the FB!
1
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
www.gkbpx.com
Data type
Description
BOOL
Initiates request with
positive edge
BOOL
Aborts request
INT
Basic address of CP 440
BOOL
Request completed without
errors
BOOL
Request completed with
errors
WORD
Error specification
Communication via Function Blocks
6.3 Using the Function Blocks
Permitted Values, Comment
Current request is aborted. Sending is
blocked.
The basic address is taken from STEP 7.
STATUS parameter == 16#00;
STATUS parameter contains error details
If ERROR == 1, STATUS parameter contains
error details
该文档是极速PDF编辑器生成，
如果想去掉该提示,请访问并下载：
http://www.jisupdfeditor.com/
99
Advertisement
Table of Contents
