Omron CJ1W-CLK21-V1 ユーザーズマニュアル
100
CQM1H-series Controller Link Units
Section 4-5
Note
1.
Always turn OFF the PLC’s power before setting the terminating resistance
switch.
switch.
2.
Turn ON the switch to connect terminating resistance at the nodes at both
ends of the Network and turn OFF the switch at all other nodes. Normal
communication cannot be performed in the Network unless all the nodes
are set properly.
ends of the Network and turn OFF the switch at all other nodes. Normal
communication cannot be performed in the Network unless all the nodes
are set properly.
3.
The TER indicator will light when the terminating resistance switch is set
to ON.
to ON.
4-5
CQM1H-series Controller Link Units
The following settings are required for a Controller Link Unit when used with a
CQM1H-series PLC.
CQM1H-series PLC.
4-5-1
Overview
Node Addresses
Setting Baud Rate
Note The factory default setting is in bold.
Terminating Resistance
Item
Switch
Page
Node address
Node address switch
Baud rate
Baud rate switch, pins 1 and 2
Terminating resistance
Terminating resistance switch
Setting range
Nodes
01 to 32 (default is 01)
All nodes in the Network
Switch
Baud rate
Maximum
transmis-
sion dis-
tance
Nodes
Pin 1
Pin 2
OFF
OFF
2 Mbps
500 m
Set same
rate for all
nodes in Net-
work.
rate for all
nodes in Net-
work.
ON
OFF
1 Mbps
800 m
OFF
ON
500 Kbps
1 km
ON
ON
Do not set.
Switch
Terminating
resistance
Nodes
OFF
(default)
(default)
Not connected
All the nodes
Turn ON the terminating resis-
tance at the nodes at both
ends of the Network and turn it
OFF at all other nodes.
tance at the nodes at both
ends of the Network and turn it
OFF at all other nodes.
ON
Connected