Omron CVM1-CLK21, Operation Manual

Page: 80 / 309

64
CQM1H-series Controller Link Units Section 4-5
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.
3. The TER indicator will light when the terminating resistance switch is set
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 PC.
4-5-1 Overview
Node Addresses
Setting Baud Rate
NoteThe factory default setting is in bold.
Terminating Resistance
4-5-2 Node Addresses
Set the node address of each Unit in the Network using the rotary switch on
the front of the Unit. The node address is used to identify each node in the
Network.
The node address can be set to any value between 01 and 32.
Item Switch Page
Node address Node address switch 64
Baud rate Baud rate switch, pins 1 and 2 65
Terminating resistance Terminating resistance switch 65
Setting range Nodes
01 to 32 (default is 01) All nodes in the Network
Switch Baud rate Maximum
transmissi
on
distance
Nodes
Pin 1 Pin 2
OFF OFF 2 Mbps 500 m Set same
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) 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.
ON Connected
X10
0
NODE NO.
X10
1