User manual

6-6
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
6.2 Writing Data Records with SFC 58 “WR_REC”
Data record 142 writes parameters to ASi slaves.
Table 6-7 Structure of data record 142: Write parameters to ASi slaves
Byte Contents
0 01 to 1F
H
: Slave address
1 00 to 0F
H
: Parameters for the ASi slave
Data record 143 modifies the operating address of an ASi slave
Table 6-8 Structure of data record 143: Modify operating address of ASi slave
Byte Contents
0 00 to 1F
H
: Source address (old) of the ASi slave
1 00 to 1F
H
: Destination address (new) of the ASi slave
Data record 144 sets the DP/ASi link to “Offline” mode. In “Of fline” mode,
all the ASi slaves are reset and there is no periodic data exchange with the
DP/ASi link.
Table 6-9 Srtructure of data record 144: Set DP/ASi link to “Offline” mode
Byte Contents
0
“1”: Set “Offline” mode
“0”: Reset “Offline” mode
Data record 142
Data record 143
Data record 144
DP/ASi Link to S7