Siemens CP 243-1 Operating Instructions Manual page 98

Programming
4.3 ETHx_XFR
Call
Figure 4-3
Input parameters
Name
START
Chan_ID
Data
Abort
Input parameters (ETHx_XFR)
98
E T H x_ XF R
A lw ays_O n
E N
S T A R T _B IT S T A R T
C H A N N E L
C han_ID
D A T A
D ata
A B O R T A bort
Calling the ETHx_XFR subroutine
Type
BOOL
BYTE
BYTE
BOOL
D one
D O N E
E rror
E R R
Meaning
Input condition for triggering a
read/write request
0: Do not trigger read/write request
1: Trigger read/write request
Number of the channel via which the
data will be be accessed. This channel
must be configured as client.
Value range: 0 .. 7
Number of the channel-specific data
block from the configuration that
describes the read/write request to be
executed.
Value range: 0 .. 31
Input condition for aborting a data
access
0: Do not abort data access
1: Abort data access
Operating Instructions, 03/2012, C79000-G8976-C244-02
CP 243-1