Siemens SIMATIC NET CP 243-1 User Manual

09/02 Programming
CP 243-1
J31069-D0428-U001-A1-7618
55
Call:
ETHx_XFR
START
EN
DONE
Done
Chan_ID
CHANNEL
ERR
Error
Data
DATA
AbortABORT
Always_On
START_BIT
Fig. 10. Calling up the ETHx_XFR subroutine
Input parameter:
Name Type Meaning
START BOOL Input condition for issuing a read/write command
0: Do not issue read/write command
1: Issue read/write command
Chan_ID BYTE Number of channel through which data is to be
accessed. This channel must be configured as a
client.
Value range: 0 .. 7
Data BYTE Number of channel-specific data block from of
the configuration that describes the read/write
command to be executed.
Value range: 0 .. 31
Abort BOOL Input conditions for aborting a data access
0: Do not abort data access
1: Abort data access
Table 11: Input parameters (ETHx_XFR)

Siemens SIMATIC NET CP 243-1 Specifications

General

Brand	Siemens
Model	SIMATIC NET CP 243-1
Category	Computer Hardware
Language	English