![background image](http://html1.mh-extra.com/html/omron/cp1l-l14d-series/cp1l-l14d-series_operation-manual_742090621.webp)
588
Connections to Serial Communications Option Boards
Appendix F
Note
(1) RS-422A/485 Option Board settings:
Terminating resistance ON, 4-wire.
(2) The terminating resistant setting shown above is an example for the NT631/NT631C. The setting
method varies with the PT. Refer to the manual for you PT for details.
1:N, 4-wire Connections from RS-422A/485 to RS-422A/485 Ports
• Communications Mode: 1:N NT Link
Note
(1) RS-422A/485 Option Board settings:
Terminating resistance ON, 4-wire.
(2) The terminating resistant setting shown above is an example for the NT631/NT631C. The setting
method varies with the PT. Refer to the manual for you PT for details.
1:N, 2-wire Connections from RS-422A/485 to RS-422A/485 Ports
• Communications Mode: 1:N NT Link
Note
(1) RS-422A/485 Option Board settings:
Terminating resistance ON, 2-wire.
CPU Unit
Pin
Signal
Signal
Terminal block or D-sub
connector
RS-422A
/485
Option
Board
Terminal block
Short bar
Terminal block or D-sub
connector
RS-422A
/485 In-
terface
RS-422A
/485 In-
terface
FG
FG
Signal
(See note 2.)
PT
PT
Pin
Signal
Signal
Terminal block or D-sub connector
FG
RS-422A
/485 In-
terface
Short bar
Signal
RS-422A
/485 In-
terface
Terminal block or D-sub connector
FG
(See note 2.)
CPU Unit
RS-422A
/485
Option
Board
Terminal block
PT
PT
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...