![background image](http://html1.mh-extra.com/html/omron/cp1l-cpu-unit-03-2009/cp1l-cpu-unit-03-2009_operation-manual_742084765.webp)
731
Connections to Serial Communications Option Boards
Appendix F
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.
(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.
CPU Unit
Pin
Signal
Signal
PT
Terminal block or
D-sub connector
FG
Terminal block
RS-422A
/485
Interface
Short bar
Signal
PT
Terminal block or
D-sub connector
FG
RS-422A
/485
interface
(See note 2.)
RS-422A
/485
Option Board
CPU Unit
Pin
Signal
Signal
PT
FG
D-sub, 9-pin
connector (male)
RS-422A
/485
Interface
Short bar
Signal
PT
Terminal block
(See note 2.)
RS-422A
/485 Option
Board
RS-422A
/485
Interface
FG
Summary of Contents for CP1L CPU UNIT - 03-2009
Page 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
Page 2: ......
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 70: ...36 Function Blocks Section 1 5...
Page 584: ...550 Trouble Shooting Section 8 7...
Page 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 630: ...596 Sample Application Section 9 12...
Page 654: ...620 Troubleshooting Unit Errors Section 11 4...
Page 662: ...628 Replacing User serviceable Parts Section 12 2...
Page 668: ...634 Standard Models Appendix A...
Page 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Page 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Page 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Page 806: ...772 Index...
Page 808: ...774 Revision History...