29
Connecting the Special Cable
Section 2-3
Be sure to correctly connect the connectors as shown in the following dia-
gram.
Serial interface:
White, 20-pin connector
24-VDC power supply interface: Black, 3-pin connector
External output interface:
Black, 18-pin connector
9.
When using RS-422A communications, turn ON DIP switch pin 1 (termi-
nating resistance ON) only when the PT is wired as the end communica-
tions node.
Note
DIP switch pin 1 connects and disconnect the terminating resistance. Always
leave pins 2 to 4 turned OFF (default setting).
10. Replace the cover, insert the four mounting screws, and tighten them to a
force of 0.4 N·m.
Serial interface
External output interface
24-VDC interface
Summary of Contents for NSH5
Page 2: ......
Page 4: ...iv ...
Page 12: ...xii ...
Page 16: ...xvi ...
Page 24: ...xxiv EC Directives 6 ...
Page 58: ...34 Installing the Mounting Bracket Section 2 5 ...
Page 86: ...62 Connection Method Section 4 5 ...
Page 92: ...68 Precautions When Replacing the PT Section 5 4 ...
Page 98: ...74 General Specifications Appendix A ...
Page 99: ...75 Appendix B Dimensions 75 50 176 223 75 Four M4 70 5 16 5 ...
Page 102: ...78 Types of Memory Appendix C ...
Page 107: ...83 Recommended Enabling Circuits Appendix D Program Example ...
Page 108: ...84 Recommended Enabling Circuits Appendix D ...