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Commands and Responses for Controller Link Units Section 6-5
tions Controller version number, and the third represents the Unit version
number.
Wired/Optical (response)
The connection method for the Controller Link Unit (wired or optical ring). The
configuration is as follows:
Node Address (response): The Controller Link Unit’s node address is
returned between 01 and 3E Hex (1 to 62).
Unit Address (response): The Unit address set for the Controller Link Unit
(10 Hex + Unit number), is returned in hexadecimal. Even when there is a Unit
number setting error, the Unit address is returned.
Network Address: The Controller Link Unit’s network address, as set in the
routing table, is returned in hexadecimal. When the routing table has not been
set, the address becomes 00 Hex.
6-5-5 CONTROLLER STATUS READ
Reads the Controller Link Unit’s controller status.
Command Block
Response Block
Parameters Operating status (response): The operating status of the data links as fol-
lows:
00 (Hex): Data links inactive.
01 (Hex): Data links active.
02 (Hex): Local data links not active. (The data links are active in the net-
work, but the local node is not participating.)
Status 1, Status 4, Status 6 (response): Not used by the Controller Link
Unit. Always set to 00 (Hex).
Connection type:
0: Wired
1: Optical ring
– : Not used
Bit
Maximum number of nodes
00: 32 nodes
01: 62 nodes
Command
code
0106
06
01
00 00 00 00 00 00
Response codeCommand
code
Operating status
Status 1
Status 2
Status 3
Status 4
Status 5 Count 1 Count 8
Active node list
Status 6
Total 6 b
y
tes Total 8 b
y
tes
8 bytes