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Commands and Responses for the Support Board
86
Status 2 (response): This byte contains the following information for Controller
Link Support Boards. (It is always 00 Hex for Wired Controller Link Support
Boards.)
Bit
7
6
Baud rate setting
0001: 2 Mbps
0010: 1 Mbps
0011: 500 Kbps
Status 3 (response): Error information. The configuration is as follows:
1: Error log exists
1: Data link error stop
1: Controller transmitter error
Note A network parameter error occurs if the registered network parameter contents
do not match the actual network parameter contents after the power is turned on.
The system, however, will not stop. When a network parameter error occurs, the
actual network parameter contents are automatically registered to that Unit.
Status 5 (response): Error information related to the Support Board and the
PC. The configuration is as follows:
1: EEPROM error
1: PC model error
(C200HX/HG/HE only)
1: PC system setting error
(CV-series PCs only)
A network parameter error, data link table error, or routing table error occurs if an
error is discovered when the parameters and tables are checked at power up.
A PC system setting error occurs if the Controller Link Unit is not properly recog-
nized by a CV-series PC.
A PC model error occurs if a C200HX/HG/HE Controller Link Unit is mounted to
another type of PC.
Count 1 to Count 8 (response): The total number of times for each of the items
listed below is returned as 1 byte of hexadecimal data. The count can range from
0 to 255 (i.e., 0 to FF in hexadecimal).
Count 1:
Number of CRC errors
Count 2:
Number of token re-sends
Count 3:
Number of token returns
Count 4:
Number of token timeouts
Count 5:
Number of polling timeouts
Count 6:
Number of controller changes
Count 7:
Number of active node changes
Count 8:
Reserved for system use.
Network participation status (response): The following diagram shows the
bits corresponding to node addresses in the Controller Link Network. When a bit
is returned as "1," it means that the corresponding node is active (i.e., participat-
ing) in the network.
5
4
3
2
1
0
0 0 0
Wired System
0: Terminating resistance switch OFF
1: Terminating resistance switch ON
Optical System
0: No backup power supply
1: Backup power supply
Bit
7
6
5
4
3
2
1
0
0
Bit
7
6
5
4
3
2
0
0
Section
1: Node address setting error
1: Duplicate node address setting error
1: Network parameter error
1: Controller hardware error
1
0
1: Network parameter error
1: Data link table error
1: Routing table error
6-3
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Table of Contents
Troubleshooting
