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Omron NT21 - SETUP MANUAL 10-2001 User Manual

Omron NT21 - SETUP MANUAL 10-2001
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5-1SectionConnecting to the Host’s RS-422A/485 Port
74
Setting the Front Switches
I/O port selector switch
RS-422A
@
Host Link communication method
selection (selector switch)
Set this to RS-422A.
@
Host Link default value settings
(pin 4)
T
o ef
fect the existing DIP switch
settings, set pin 4 to ON.
T
o ef
fect the values set in the PC Setup,
set pin 4 to OFF
.
Note
For CPU Units manufactured before or
during June 1995 (lot No.
jj
65), the
existing DIP switch settings dif
fer from
the PC Setup default values as follows.
- Existing DIP switch settings:
2,400 bps, 1 stop bit, even parity
, 7 bit
data length
- PC Setup default values:
9,600 bps, 2 stop bits, even parity
, 7
bit data length
For CPU Units manufactured from July
1995 onward (lot No.
jj
75), the
stipulated values in the DIP switch
settings also are 9,600 bps and 2 stop
bits.
RS-232C
@
T
erminator setting (pin 6)
Set this switch to ON.
(Set terminator ON.)
@
Communications type setting (pin 3)
Set pin 3 to OFF
.
(for Host Link communication)
C200HX/HG/HE(-Z)E, CPM1, CPM2A, CPM2C, CQM1H, or SRM1
The
connection method depends upon the model of PC being used,
as shown in
the following table.
PC model Connection method
C200HX/HG/HE(-Z)E Connect to the RS-422A
port (port A) on a Serial Commu
-
nications Board.
CQM1H Connect to the RS-422A port (port 2) on a Serial Commu-
nications Board.
CPM1 Connect to the peripheral port through a CPM1-CIF11
RS-422A Adapter.
CPM2A, SRM1 Connect to the peripheral port through a CPM1-CIF11
RS-422A Adapter.
CPM2C Connect to the peripheral port (on a CPM2C-CN111 or
CS1W-CN114 Connecting Cable) through a CPM1-CIF11
RS-422A Adapter.
(The CPM2C-CN111 splits the Unit’s Communication Port
into a RS-232C port and a peripheral port.)
Reference: S There
are no Serial Communications Boards for the C200HX/HG/HE(-Z)E in
which port B is the RS-422A port.
S There
are no Serial Communications Boards for
the CQM1H in which port 1 is
the RS-422A port.
PC Setup Settings
When connecting to a C200HX/HG/HE(-Z)E or CPM1, CPM2A, CPM2C,

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Omron NT21 - SETUP MANUAL 10-2001 Specifications

General IconGeneral
BrandOmron
ModelNT21 - SETUP MANUAL 10-2001
CategoryTouch terminals
LanguageEnglish

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