Specifications

Example CP143 H1 / TCP/IP manual
6-20 Rev. 00/07
Function module:
FB2
BSTNAME #FB2
BIB #19075
0000C :
0000E :SPA FB 123 Control module
NAME #CONTROL
SSNR =KY 0,0 Interface No. 0
A-NR =KY 0,12 Job No. 12
ANZW =MW 4 Indicator word MW4
PAFE =MB 199
0001A :
0001C :UN M 5.0 If no data is available,
0001E :BEB end
00020 :
00028 :L MW 12 Increment receive counter
0002A :L KB 1
0002C :+F
0002E :T MW 12
00030 :
00032 REC :
00034 :SPA FB 121 Receive module
NAME #RECEIVE
SSNR =KY 0,0 Interface No. 0
A-NR =KY 0,12 Job No. 12
ANZW =MW 4 Indicator word MW4
ZTYP =KC DB Save data in data module
DBNR =KY 0,12 DB number 12
ZANF =KF +0 from DW0
ZLAE =KF +100 Length 100 elements
PAFE =MB 199
00048 :
0004A :BE
FB2 is a simple receive module which checks the indicator word flags:
• handshake required
• completed with error
Data module:
DB12
MODULE#DB12
BIB #9095
; Receive data module (A-No. 12)
00000: KH = 0000 1st data transmit message ctr.
00001: 100 ( 100 further data words
00001: KH = 0000
00002: )