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31
Connecting Link Adapters and RS-422A Converters
Section 2-3
Communications Specifications (RS-232C Interface)
Communications Specifications (RS-422A/485 Interface)
Dielectric strength
1,500 VAC for 1 minute between the RS-422A termi-
nal signal lines and the FG terminal
Leakage current: 10 mA max.
Operating environment
No corrosive gases
Vibration resistance
Conforms to JIS C0911, 60 minutes each in X, Y, and
Z directions
Shock resistance
Conforms to JIS C0912, 147 m/s
2
, 3 times each in X,
Y, and Z directions
Item
Specification
Baud rate
115.2k bps max.
Transmission distance
2 m max.
Connector
9-pin D-SUB connector (female)
Item
Specification
Baud rate
115.2k bps max. (depends on the RS-232C baud
rate)
Transmission distance
500 m max.
Terminal block configuration
8-terminal detachable terminal block, M3.0
Item
Specification
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 ...