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9
Method for Connection to the Host
Section 1-3
Combinations of Communications Method and Connection Method
The connection methods that can be used depending on the communications
method used and the communications type for communications between the
NT20 and the host are indicated in the table below.
❍
: Connection possible
×
: Connection not possible
Note
(1) An RS-232C Cable (not shown in the diagram) is required when connect-
ing an NT-AL001 Link Adapter to a PT.
(2) If the CJ1W-CIF11 is used, the total communications distance is 50 m.
This also applies if both the NT-AL001 and CJ1W-CIF11 are used in the
same communications path.
Communications
type at Host
Usable Connection Method
Usable Communications Method
Host Link
1:1 NT Link
1:N NT Link
RS-232C
❍
❍
❍
RS-232C
×
×
❍
RS-232C
×
×
❍
Direct 1:1 connection
PT
Host
RS-232C (15 m max.)
1:N connection with RS-422A through
Link Adapter and RS-422A Converters
PT
Host
NT-AL001 (See note 1.)
or CJ1W-CIF11 RS-
422A Converter NT-AL001
Link Adapter
RS-422A
(total length 500 m,
See note 2.)
RS-232C
(2 m max.)
1:N connection with RS-485 through
Link Adapter and RS-422A Converters
PT
Host
NT-AL001 (See note
1.) or CJ1W-CIF11
RS-422A Converter NT-AL001
Link Adapter
RS-485
(total length 500 m,
See note 2.)
RS-232C
(2 m max.)
Summary of Contents for NT20
Page 1: ...Programmable Terminal Cat No V091 E1 01 NT20 USER S MANUAL ...
Page 2: ...NT series Programmable Terminal User s Manual Produced March 2007 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 9: ...x TABLE OF CONTENTS ...
Page 15: ...xvi ...
Page 21: ...xxii EC Directives 6 ...
Page 37: ...16 Before Operating Section 1 6 ...
Page 153: ...132 Transferring the Resource Data Section 3 11 ...
Page 185: ...164 Numeral Setting Section 4 8 ...
Page 267: ...246 Key to Programs Section 6 8 ...
Page 281: ...260 Specifications Appendix A ...
Page 285: ...264 Transporting and Storing PTs Appendix C ...
Page 303: ...282 Function Restrictions Depending on the Support Tool Appendix I ...
Page 307: ...286 Index ...
Page 309: ...288 Revision History ...