Writing – KEYENCE DL-RS1A/FD-S User Manual
Page 11
9
Commands and Responses
■ Read output states and data from all sensor amplifiers (MS command)
Command
Response
Error response
* The data length is different depending on the model.
■ Read with external input to the DRQ terminal (DRQ read)
You can send an input signal (by short-circuiting DRQ (terminal number 6) and SG (terminal number
1, 4, or 5)) from an external device such as a PLC instead of sending a command.
Response
Error response
* The data length is different depending on the model.
M
S
CR LF
M
S
Control
output
Control
output
Control
output
CR LF
Data of the sensor
amplifier with ID:00*
, ,
, ,
Data of the sensor
amplifier with ID:01*
Data of the sensor
amplifier with the last ID No.*
,
,
Sensor amplifier with ID:00
Sensor amplifier with ID:01
Sensor amplifier with the last ID No.
*
*
*
E
R
CR LF
,
M
S
,
Error No.
2 ms min.
Input signal
ON
OFF
SG
RD
SD
SG
SG
DRQ
D
R
Control
output
Control
output
Control
output
CR LF
Data of the sensor
amplifier with ID:00*
, ,
, ,
Data of the sensor
amplifier with ID:01*
Data of the sensor
amplifier with the last ID No.*
,
,
Sensor amplifier with ID:00
Sensor amplifier with ID:01
Sensor amplifier with the last ID No.
*
*
*
E
R
CR LF
,
D
R
,
Error No.
Commands and Responses
Writing
External devices such as PLC's use the following communication commands to write data to
DL-RS1A.
Attempting to write data with "read-only" attribute results in a communication error and an
error response (error number: 22).
■ Write to the specified sensor amplifier (SW command)
Command
Response
Error response
* The data length is different depending on the data being written.
■ Write to all sensor amplifiers (AW command)
Command
Response
Error response
* The data length is different depending on the data being written.
Point
S
W
CR LF
ID No.
Data No.
,
,
Setting data*
,
S
W
CR LF
ID No.
Data No.
,
,
E
R
CR LF
,
S
W
,
Error No.
A
W
CR LF
Data No.
,
Setting data*
,
A
W
CR LF
Data No.
,
E
R
CR LF
,
A
W
,
Error No.