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101
Commands and Responses for the Support Board
Section 6-3
6-3-7
DATA LINK STATUS READ
Reads the data link operational status.
Command Block
Response Block
Parameters
Type (command):
0000 hex: Returns status from 32 nodes.
0001 hex: Returns status from 62 nodes.
Omitted: Returns status from 32 nodes.
Status flag (response):
The overall data link status is returned in one byte of
data, as shown in the following diagram.
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
(response):
The present value and the maximum value of the cycle time for
refreshing the data link area are both returned in units of 1 ms, in hexadeci-
mal, 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.
Command
code
03
06
Type
Response
code
Command
code
Status flag
Data link mode
Refresh
cycle time
present
v
alue
Refresh
cycle time
maximum
v
alue
Status
62 bytes
(See note.)
06
03
Note
The length is 32 bytes for Wired Units if the type is set to 0000 hex or omitted.
Bit
Data link operational status
0: Inacti
v
e
1: Acti
v
e
1: Data link table error
1:
N
o 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
Summary of Contents for SYSMAC 3G8F7-CLK12-EV1
Page 2: ......
Page 4: ...iv ...
Page 20: ...xx Conformance to EC Directives 6 ...
Page 48: ...28 Applications Precautions Section 1 4 Example CX Programmer Response Timeout Setting ...
Page 68: ...48 Backup Power Supply Wiring Optical Ring Systems Only Section 2 4 ...
Page 74: ...54 Using the C Library Section 3 2 ...
Page 110: ...90 Changing the Data Link Tables with Active Data Links Section 5 5 ...
Page 187: ......