Omron NT30 Operation Manual page 40

Connection to a PC by Host Link via RS-232C
5V supply
ON
OFF
I/O port
RS-422A
RS-232C
Synchronization
Internal
External
Terminator
OFF
ON
CTS
0V
External
30
S C500/C1000H Rack-mounting Host Link Unit: C500-LK203
Setting the Rear Switches
S I/O port selection (selector switch)
Set this to RS-232C.
S Unit #, parity, and transfer code (DIP switch SW1 pins
1 to 7)
Set pins 1 to 7 to OFF (0).
S Synchronization (selector switch)
Set this to internal synchronization.
S Baud rate (DIP switch SW1 pins 1 to 4)
Set these pins to 1010 to select 9,600 bps.
Set these pins to 0010 to select 19,200 bps.
S 1-to-1/1-to-N selection (DIP switch SW2 pin 6)
Set pin 6 to OFF (0) (1-to-N).
S Command level (DIP switch SW2 pins 7 and 8)
Set these pins to ON (1).
(Levels 1, 2, and 3 are enabled.)
S CTS selection (selector switch)
Set this always to 0V (ON).
S CPU-mounting Host Link Unit: C120-LK201-V1
S Unit #, parity, and transfer code (DIP switch SW1 pins 1 to 5)
Set SW1 pins 1 to 5 to OFF (0).
* Parity is fixed at Even Parity. Transfer code is fixed at
ASCII 7 data bits and 2 stop bits.
S Baud rate (DIP switch SW2 pins 1 to 4)
Set these pins to 1010 to select 9,600 bps.
Set these pins to 0010 to select 19,200 bps.
S 1-to-1/1-to-N selection (DIP switch SW2 pin 6)
Set pin 6 to OFF (0) (1-to-N).
S Command level (DIP switch SW2 pins 7 and 8)
Set these pins to ON (1).
(Levels 1, 2, and 3 are enabled.)
S CTS selection (DIP switch SW3 pins 1 and 2)
Set pin 1 to ON (1) and pin 2 to OFF (0). (Set this al-
ways to 0V.)
S Synchronization (DIP switch SW3 pins 3 to 6)
Set pins 3, 5, and 6 to ON (1), and pin 4 to OFF (0).
(Set these to Internal synchronization.)
Section
(0: OFF, 1: ON)
(0: OFF, 1: ON)
2-5