Switch Settings
Section 4-1
4-4
4-1-4
Rotary Switch Settings
SW1
Node Number
If more than one Controller is connected to a single host through Link
Adapters, each Controller needs an ID number so that the host can
discriminate between each of them. Such an ID number is called node
number. Each Controller must have a unique node number.
Each command or response of the Controller includes the node number of
the Controller. Communications will not be possible if the node number is
wrong. The node number must be correctly set regardless of whether the
host is connected to a single or multiple Controllers.
As shown below, SW1 on the left is for the 1’s digit, which can set numbers
within a range between 0 and 9.
SW1
Node number
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
NODE
NO. 0
NODE
NO. 1
The node number switches are factory-set to zero.
SW2
Reserved
Do not use this switch. Always set this switch to zero.