Selecting Unit Numbers - Omron NT20S-ST121B-EV3 User Manual

Setting the Conditions of Communications with the Host by Using the Memory Switches
3-5-5

Selecting Unit Numbers

When using NT20 with the NT link (1:N) communications method, set unit
numbers.
When using NT link (1:N), unit numbers are used to identify each of the multi-
ple PTs connected to a single PLC port. Set a different unit number for each
of the PTs connected to the port.
The unit numbers that can be set differ according to the type of host PLC as
follows.
C200HE:
C200HG, C200HX: Unit Nos. 0 to 7
Set the unit numbers by following the menu operation from the System Menu
described below.
[ SYSTEM MENU ]
Quit
Transmit Mode
Maintenance Mode
[ MAINTENANCE MENU ]
Quit
PT Setting
I/O Check
Init. Memory
Memory Switch
[ MEMORY SW MENU ]
Comm. Type
Key Sound
Buzzer Sound
Bk light Off
Tool Mode
Unit Nos. 0 to 3
Select "Maintenance Mode".
Select "Memory Switch".
DIP-SW Status
Press the "Comm Type"
(1/2) Quit
touch switch to select "NT
NT Link 1:N
link (1:N)".
Page
OFF
Select "Page".
OFF
WRT
None
&
NT20S
EXIT
Section 3-5
97