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Commands and Responses for Controller Link Units
6-5-10 BROADCAST TEST DATA SEND
Command Block
6-5-11 ERROR LOG READ
Command Block
Response Block
21
02
Command
Response
code
Parameters
Broadcasts test data to all nodes in a specified network.
2,000 bytes
08
03
max.
Command
Test data
code
There is no response to this command.
The control data must be set as follows when this command is issued:
Destination node address:
Destination unit address:
Response required/not required: 1 (response not required)
The transmission and reception status is checked by comparing the number
of times this command is issued with the number of receptions parameter of
the BROADCAST TEST RESULTS READ command. (For details, refer to 6-5-
9 BROADCAST TEST RESULTS READ.)
Reads the PLC's error log.
21
02
Command
Beginning
code
record no.
Max. no. of
No. of
code
stored records
stored
records
Beginning record no. (command): Specifies the first record to be read, in
two bytes (four digits) in hexadecimal. (The first record number is 0000 in
hexadecimal. Designate the record number within the range given in the fol-
lowing table).
No. of records (command and response): Specifies the number of records
to be read, within the range given in the following table. The response gives
the number of records actually read.
Max. no. of stored records (response): Specifies the maximum number of
records that can be recorded.
No. of stored records (response): The number of records that have been
recorded by the time the command is executed.
Parameter
Command
FF (Hex) (for broadcasting the data)
FE (Hex) (for the Controller Link Unit)
No. of
records
10 bytes
No. of
Error log
records
data
Model
CS1W-CLK23
CJ1W-CLK23
Beginning
0000 to 003F hex
record No.
(Decimal: 0 to 63)
No. of records
0001 to 0040 hex
(Decimal: 1 to 64)
Section 6-5
10 bytes
Error log
data
CS1W-CLK21(-V1)
CJ1W-CLK21(-V1)
0000 to 0026 hex
(Decimal: 0 to 38)
0001 to 0027 hex
(Decimal: 1 to 39)
213
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