703
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 CP1H CPU UNITS - PROGRAMMING 05-2007
Page 2: ......
Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised March 2009...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 174: ...140 CP series Expansion I O Unit Wiring Section 3 6...
Page 370: ...336 Analog I O XA CPU Units Section 5 5...
Page 552: ...518 Trouble Shooting Section 8 7...
Page 595: ...561 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 598: ...564 Sample Application Section 9 12...
Page 642: ...608 Standard Models Appendix A...
Page 652: ...618 Dimensions Diagrams Appendix B...
Page 745: ...711 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 746: ...712 Connections to Serial Communications Option Boards Appendix F...
Page 776: ...742 PLC Setup Appendix G...
Page 778: ...744 Specifications for External Power Supply Expansion Appendix H...
Page 786: ...752 Revision History...