Omron Programmable Terminals NT31 NT31C Setup Manual page 84

Connecting to the RS-232C Port at the Host
Device (e.g. SYSMAC support software) in accordance with the host model and
port.
Connection to
C200HX/HG/HE(-Z)E, SRM1
Built-in RS-232C port
C200HX/HG/HE(-Z)E
Communication Board port A
*2
CQM1H port 1
C200HX/HG/HE(-Z)E
Communication Board port B
*1 RS-232C port on the Communications Board
*2 RS-232C port on the Serial Communications Board
*3 When using a C200HE (-Z)E, the maximum PT unit number is 3.
Refer to the PC's operation manual for details on changing PC Setup settings.
Setting the DIP Switches of a C200HX/HG/HE(-Z)E
When using a C200HX/HG/HE(-Z)E, the DIP switches on the front panel must
be set as shown below in order to make the settings in the PC Setup area (data
memory) effective.
RS-232C port communication condition setting
Set DIP SW5 to OFF to make the settings made in PC
Setup effective.
Connecting to CS1-series CPU Units
CS1-series CPU Unit: CS1G/H-CPUjj-E(V1)
The PT is connected to the built-in RS-232C port on the CPU Unit or an RS-232C
port on a Communications Board. It can also be connected to the peripheral port
on the CPU Unit, but a CS1W-CN118 Peripheral Port Connecting Cable must be
used.
PC Setup
When connecting to a CS1 series CPU, set the following communication condi-
tions for the PC Setup area, in accordance with the communication port to be
used.
When using the built-in RS-232C port of CS1G/H
Word # Writing Value
160 8200
161 0000 to 0009
166 000j
*1 Set any value between 0000 and 0009 Hex for the communications baud rate.
The same baud rate will be used regardless of the value as long as it is between
0000 and 0009 Hex.
When using the peripheral port of CS1G/H
Word # Writing Value
144 8200
145 0000 to 0009
150 000j
Writing
Word #
Value
DM6645
*1
DM6555 5j00
DM6550
*1
NT link (1:N) mode
(*1)
Communications baud rate (standard)
j = The largest model number of the
connected PT (0 – 7)
NT link (1:N) mode
(*1)
Communications baud rate (standard)
j = The largest model number of the
connected PT (0 – 7)
Section 4-1
Setting
Use NT link (1:N)
j = highest unit number of
the connected PTs (1 to 7)
( ) (*3)
Settings
Settings
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