1-3SectionSystem Configuration
24
• System installer
System installer (made by OMRON)
The system installer is supplied as a standard accessory with the Support
Tool (NT-ZJCAT1-EV4).
Reference:  The following optional devices are available. All of them can be used either
with the NT31 or NT31C.
Anti-reflective Film (5 sheets) NT30-KBA04
Chemical-resistant Cover NT30-KBA01
Replacement Battery C500-BAT08
 The following products are available as options for the NT631/NT631C. All of
these options can be used for either the NT631 or the NT631C.
Anti-reflective Film (5 sheets) NT610C-KBA04
Chemical-resistant Cover NT625-KBA01
Replacement Battery C500-BAT08
1-3-2 Connecting to the Host
The NT21 has the following two communication ports.
• Serial port A:
D-Sub 9-pin connector (female)
RS-232C only (The NT Support Tool and bar code readers can be connected
here, as can an NT-AL001 RS-232C/RS-422A Link Adapter.)
• Serial port B:
D-Sub 9-pin connector (female)
RS-232C (The NT Support Tool and bar code readers cannot be connected
here, as can an NT-AL001 or NS-AL002 RS-232C/RS-422A Link Adapter.)
The host can be connected at either of these two ports.
Refer to the Setup Manual for information on types of communications for the PT
and host.
The NT31/NT31C has the following two communication ports.
• Serial port A:
D-SUB 9-pin connector (female)
For RS-232C use only (The Support Tool and bar code readers can be con-
nected here.)
• Serial port B:
D-SUB 25-pin connector (female)
For RS-232C or RS-422A/485 (Selectable by memory switch)
(The Support Tool and bar code readers cannot be connected here.)
The host can be connected at either of these two ports.
The connection methods for each communication method at the PT and host
sides are indicated below. Make the settings in accordance with the communica-
tion method that can be used with the PC to be connected and the conditions at
the operation site.
Reference: When using an RS-232C/422A Adaptor (NT-AL001) with the host link or 1:1 NT
Link communication method, RS-485 cannot be used. The connection must be
made with RS-232C or RS-422A.
NT21
NT31/NT31C
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