Toshiba SX 2000 - Manual (Page 43)

Chapt.1 System Configuration
List of computer link commands supported by the S2T
The following computer link commands are available for the S2T.
Request
command
Function name Description
Response
command
Remarks
- Computer Link
Error Response
Format error was detected in
the request message
CE Response
only
- PLC Error Response The request command was
rejected by S2T
EE Response
only
TS Test Loop back test
S2T returns the same text
TS
ST PLC Status Read Reads S2T operation status ST
ER PLC Error Status Read Reads error code registered in
the S2T
ER
DR Data Read Reads registers/devices data
from the S2T
DR
DW Data Write Writes registers/devices data
into the S2T
ST
MR Expanded file register
data Read
Reads the data in the expan­
sion memory as expanded file
resister
MR
MW Expanded file register
data Write
Writes the data in the expan­
sion memory as expanded file
resister
ST
SR System Info 1 Read Reads S2T’s system
information 1
SR
S2 System Info 2 Read Reads S2T’s system
information 2 S2
TR Diagnostic Message
Read
Reads user-defined error
information from the S2T
TR
RT Clock-calendar Read Reads clock-calendar data
from the S2T
RT
WT Clock-calendar Write Writes clock-calendar data into
the S2T
ST
EC PLC Control Changes S2T operation status ST
BR System Info Block
Read
Reads S2T’s system
information, block by block
BR
RB Program Block Read Reads S2T’s program
block-by-block
RB
CR Comment Block Read Reads S2T’s comments
block-by-block
CR
BW System Information
Block Write
Writes S2T’s system
information block-by-block
ST
WB Program Block Write Writes S2T’s program
block-by-block
ST
cw Comment Block Write Writes S2T’s comments
block-by-block
ST
For details of the T-series computer link protocol, refer to the separate manual
"T-series Computer Link Operation Manual".
26 Sequence Controller S2T