![background image](http://html1.mh-extra.com/html/omron/sysmac-3g8f7-clk12-e/sysmac-3g8f7-clk12-e_operation-manual_1633420105.webp)
6-3
Section
Commands and Responses for the Support Board
89
6-3-7 DATA LINK STATUS READ
Reads the data link operational status.
Command Block
03
06
Command
code
Response Block
Response
code
Command
code
Status flag
Data link mode
Refresh
cycle time
present
value
Refresh
cycle time
maximum
value
Status
62 bytes
(See note.)
06
03
Note The length is 32 bytes for Wired Units.
Status flag (response): The overall data link status is returned in one byte of
data, as shown in the following diagram.
Bit
Data link operational status
0: Inactive
1: Active
1: Data link table error
1: No data link table
Data link mode during operation
0: Manual settings
1: Automatic settings
7
6
5
4
3
2
1
0
0 0 0 0
Data link mode (response): The data link mode during operation is returned in
one byte of data, as follows:
01 (Hex): Automatic
03 (Hex): Manual
Refresh cycle time present value, refresh cycle time maximum value (re-
sponse): The present value and the maximum value of the cycle time for re-
freshing the data link area are both returned in units of 1 ms, in hexadecimal,
within a range of 0000 to 00FF (decimal: 0 to 255). With the Support Board, both
the present value and the maximum value will be 0.
Parameters