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23
Installation
Section 2-2
2-2-3
Power Supply Connection
Connect a 24 VDC power supply to the power input terminals.
!Caution
Carefully check the wiring before turning ON the power.
!Caution
Do not connect AC power to the DC terminals. Incorrect wiring may result in
burning.
Note
(1) Depending on how the power is turned ON/OFF, the entire system may
stop. Follow the correct procedure when turning the power ON/OFF. Oth-
erwise the system may operate unpredictably.
(2) Use DC power supplies with low voltage fluctuation. An incorrect power
supply may result in malfunctions.
(3) Do not perform a dielectric strength test. Otherwise, the product may mal-
function.
(4) If complying with EC directives (low voltage directives), use a power sup-
ply with reinforced insulation (compliance with EC directives is planned
for June 1998).
Power Supply
The applicable power supply specifications are as follows.
Parts Used for Connection
Note
For the connection to the power supply terminal block, use stranded wire of
2 mm
2
or greater cross sectional Area (14 AWG stranded wire) and M3.5 size
crimp terminals.
Tighten the screws on the terminal block to a torque of 0.8 N
⋅
m.
Otherwise the product may malfunction.
Recommended Terminals
Item
Value
Power supply
24 VDC
Allowable power supply voltage fluctuation range
20.4 VDC to 27.6 VDC
(24 VDC
−
15%, +15%)
Power supply voltage capacity
10 W or more
24 V
DC
Circuit
breaker
24 VDC
power supply
NC
Maker
Fork type
Round type
Stranded wire
size
Japan Solderless Terminal MFG
2-YS3A
2-3.5
2.0 to 2.63 mm
2
(14 to 13 AWG)
Fuji Terminal
2-YAS3.5
V2-S3.5
Nichifu Terminal
2Y-3.5
2-3.5
Fork type
Round type
7 mm or less
7 mm or less
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 ...