Omron NT21 - SETUP MANUAL 10-2001 Setup Manual page 67

Connecting to the RS-232C Port at the Host
56
Settings at the Host
The Settings required for each Unit are described below.
• Connecting a C-series C200HX/HG/HE(-Z)E, CQM1H, or SRM1
PC Setup Settings
Write the PC Setup (in the DM Area) settings directly from a Programming De-
vice (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 (in the DM
Area) effective.
RS-232C port communication condition setting
Set pin 5 to OFF to make the settings made in PC
Setup effective.
Connecting to CS/CJ-series CPU Units
CS-series CPU Unit: CS1G/H-CPUjj-E(V1), CS1G/H-CPUjjH
CJ-series CPU Unit: CJ1G-CPUjj
PC Setup
When connecting to a CS/CJ-series CPU Unit, set the following communication
conditions for the PC Setup, in accordance with the communication port to be
used.
When using the built-in RS-232C port of a CS1G/H, CS1G/H-H, or CJ1G
Word Value
CIO 160 8200
CIO 161 0000 to 0009
CIO 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.
Writing
Word
Value
DM6645
(*1)
DM6555 5j00
DM6550
(*1)
1:N NT Link mode
(*1)
Communications baud rate (standard)
j = The largest model number of the
connected PT (0 – 7)
Section 4-1
Setting
Use 1:N NT Link
j = largest unit number of
the connected PTs (1 to 7)
( ) (*3)
Settings