Omron NT30C-ST141-E Operation Manual page 45

Connection to a PC by Host Link via RS-232C
Connecting the NT30/30C to a CS1-series Serial Communications Unit
DM Area Allocation (Words)
Port 1
m m + 10
m + 1 m + 11
m + 2 m + 12
m + 3 m + 13
32
S CS1-series Rack-mounting Model: CS1W-SCU21
Setting the Front Switches
Set the unit number of the Serial Communications Unit using the rotary switch on
the front of the Unit. Set the number or symbol in the setting display window in
the following way using a flat-blade screwdriver.
DM Area Allocation Settings
From the Programming Device (i.e., a Programming Console or CX-Program-
mer), write the settings directly to the CPU Unit's DM Area allocation (Setup
Area). After the settings have been written, they will be enabled when the power
supply is reset, the Unit is restarted, the communications ports are restarted, or a
STUP instruction is executed.
The DM Area words that are allocated and the contents of the settings are shown
in the following table.
m = DM 30000 + 100 × unit number
Setting g
Port 2
8000
0000
0007
0000
0000
Unit Number Setting
Set to a value between 0 and F that does
not coincide with the unit number set for
another Unit.
Setting Contents
Serial communications mode: Host Link; stop bits: 2; par-
ity: even; data length: 7 bits
Baud rate: 9,600 bps
Baud rate: 19,200 bps
Send delay time: 0 ms
No CTS control; Host Link unit number: 0
Section
g
2-5