76
Communicating with the PLC Using C200H Direct Communications
Section 2-7
• There is only one C200H interface unit interface connector. This means
that it is not possible to connect an NT20 between a CPU Rack and an
Expansion I/O Rack. It must be the final connection in the system.
Connection to C
@@
H
Connect the CPU Unit with an I/O Connecting Cable. The following restric-
tions apply when making this connection.
• A maximum of one CPU Unit can be connected.
• Up to two I/O Units can be connected for the one CPU unit, but Expansion
I/O Units cannot be connected.
CPU Rack
Expansion I/O Cable
(C200H-CN
@@
1)
1 Rack max.
Expansion I/O Cable
(NT20M-CNP
@@
1/
C200H-CN
@@
1)
Expansion I/O Rack
(Rear face of NT20)
Host interface connector
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 ...