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3. Cabling

3-4

TI 30A30A10-01EN

n

Power distribution boards

Power distribution boards are normally provided by the customer. Figures show examples of AC

distribution boards.

l

AC Power distribution board

The power cables are branched to each unit by way of a circuit breaker.

Each power system uses three terminals (AC and ground: ISO M4 to M6 screws).

Enclosure

Enclosure

Enclosure

Power distribution board

100-120 V AC or

220-240 V AC

F030204.ai

Figure AC Power distribution board

Feb. 26, 2018-00

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Содержание N-IO

Страница 1: ...rmation Installation Guidance for N IO field enclosure TI 30A30A10 01EN TI 30A30A10 01EN Copyright Feb 2018 YK 1st Edition Feb 2018 YK Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo...

Страница 2: ...Blank Page...

Страница 3: ...autions for transporting and carrying the N IO field enclosure which is a precision device precautions for temperature and humidity changes when unpacking or storing it temporarily space necessary for...

Страница 4: ...t and instruction manual to indicate that there are precautions for safety Indicates that caution is required when handling the equipment This symbol is labeled on the Product to indicate the possibil...

Страница 5: ...hese icons WARNING Identifies important information required to understand operations or functions CAUTION Identifies instructions that must be observed in order to avoid physical injury and electric...

Страница 6: ...rd Ground the device following the procedure in this document to prevent from electric shock and to minimize the noise SEE ALSO For earth wiring refer to 3 3 Connecting grounding cable l Tightening To...

Страница 7: ...e fuses for exchange must be the Yokogawa designated fuses l Maintenance CAUTION The maintenance work for the devices described in this manual should be performed only by the educated experts When the...

Страница 8: ...0 01EN l Field Power Supply IMPORTANT Do not use output voltage potentiometer n Drawing Conventions Some drawings may be partially emphasized simplified or omitted for the convenience of description F...

Страница 9: ...s of Yokogawa Electric Corporation All other company and product names mentioned in this manual are trademarks or registered trademarks of their respective companies We do not use TM or mark to indica...

Страница 10: ...Blank Page...

Страница 11: ...nsportation 2 1 2 2 Unpacking 2 4 2 3 Storage 2 5 2 4 Servicing area 2 6 2 5 Installing equipment 2 7 3 Cabling 3 1 3 1 Connecting cables to the cable entry 3 1 3 2 Connecting power cable 3 2 3 3 Conn...

Страница 12: ...Blank Page...

Страница 13: ...l temperature range bring it without a package keep it within temperature change rate and avoid condensation Keep ambient temperature within operational temperature range and leave it for more than th...

Страница 14: ...itude of up to 2000 m Installation category based on IEC 61010 1 1 Category I For YOKOGAWA products category I applies to the device that receives the electric power not more than 33 V AC 70 V DC Cate...

Страница 15: ...scription IEC EN CSA 61010 2 030 No 1 O Other For measurements performed on circuits not directly connected to MAINS No 2 Measurement category II For measurements performed on circuits directly connec...

Страница 16: ...when receiving rated AC voltage Withstanding voltage Between power input terminal and protective conductor terminal 1500 V AC for 1 minute Insulation resistance Between power input terminal and protec...

Страница 17: ...specified see below IMPORTANT If the power unit has high output impedance or high wiring impedance the resulting voltage drop flattens the input voltage wave forming a distorted waveform with a low pe...

Страница 18: ...perating voltage range V op 2 V rms V op 2 V rms Figure System operating voltage range n Selecting a power system N IO field enclosure system requires a power supply that satisfies power requirements...

Страница 19: ...terruptible power unit with automatic recovery n Cabling Observe the following when cabling the power unit to the system equipment Protect signal cables from induced noise Protect signal cables from i...

Страница 20: ...C 60364 IEC 62305 and IEC 61000 5 2 can be applied A protective device is to be installed in compliance with the rules and regulations in order to prevent electric shocks caused by a ground fault n Gr...

Страница 21: ...ct the grounding bar inside the enclosure to the protective grounding system via cable entry F010302 ai Protective conductor terminal M10 bolt Grounding bar Protective grounding system Protective grou...

Страница 22: ...e to separate the protective grounding system of the grounding bar for shield lines from the one of the enclosure system by changing the grounding connection as shown in the figure below SEE ALSO See...

Страница 23: ...try and region should be used between each enclosure and grounding bus inlet When providing lightning arresters on power and signal lines those arresters need to be grounded to the same bus For detail...

Страница 24: ...conduits Shield magnetic field using ferromagnetic substance e g Permalloy Use twisted pair cables Electrostatic induction Equipment maloperation Interference with signals Use shielded signal cables E...

Страница 25: ...on Concatenation grounding a lightning arrester and other equipment may cause high tension in each equipment by the product of lightning current from arrester and grounding resistance To prevent from...

Страница 26: ...mples of arrester installation n Examples of spark killer installation The following shows how to install a spark killer as a countermeasure against inductive load caused noise Relay contact Power sup...

Страница 27: ...aintenance work use a wrist strap with a ground wire via a grounding resistance of 1 M Be sure to ground the wrist strap When performing maintenance work on a desk or a table place a conductivity shee...

Страница 28: ...from the system grounding for the enclosure F010501 ai Figure Separator used in duct pit n Distance between cables If a separator cannot be used keep a distance between signal cables and power cables...

Страница 29: ...Protective grounding system F010503 ai Figure Intersecting cables under pit free access floor n Ambient temperature The ambient temperature where signal and bus cables are laid must be within the ran...

Страница 30: ...riginal packing n Transportation SEE ALSO See Table Equipment installation specifications in Section 1 1 Installation environment for ambient temperature humidity and impact l Loading Load crates hori...

Страница 31: ...magnetic fields n Unloading Prepare special equipment for unloading Avoid unloading outdoor in case of rain l Location for unloading To select a location for safe unloading check that There is ample s...

Страница 32: ...product weights F020101 ai Pad eye 60 Figure How to lift of an enclosure n Carrying This section describes how to carry enclosures l Carrying space passage Carry enclosures into the location of instal...

Страница 33: ...Yes If yes remove them and check the surrounding Damage to equipment interior No Yes If damaged badly inform Yokogawa Condensation or its trace on equipment interior No Yes If yes inform Yokogawa CAU...

Страница 34: ...corrosive gas or salty air may be present SEE ALSO See Section 1 1 Installation environment for permissible temperature humidity and temperature fluctuation of storage area n Storage of packed equipme...

Страница 35: ...This servicing area is indicated for each equipment This servicing area should be considered when determining the installation location When installing the product on the side of a corridor provide e...

Страница 36: ...the enclosure on concrete use proper concrete anchor screws When installing the enclosure on a steel plate drill holes and use M10 lock washers and nuts to secure it Provide a heat dissipation space g...

Страница 37: ...the enclosure cables should be connected to the enclosure through cable glands or sealing modules F030101 ai Figure Cable entry at the enclosure s bottom F030102 ai Figure Insertion of power cable int...

Страница 38: ...ulating cover which have low contact resistance little aging F030201 ai Insulation covering inside diameter Hole diameter Lug outside diameter Lug length Figure Solderless crimp on lug l Solderless cr...

Страница 39: ...drop referred to 100 V supply of 2 V or less in the main line viewed from the indoor power distribution board Voltage drop of 2 V or less across this section of wiring Equip ment L m AC wiring 100 V...

Страница 40: ...of AC distribution boards l AC Power distribution board The power cables are branched to each unit by way of a circuit breaker Each power system uses three terminals AC and ground ISO M4 to M6 screws...

Страница 41: ...Ensure to secure the minimum bending radius of the cable The minimum bending radius is either the value shown in the cable manufacturer s specifications or six fold of the cable conductor diameter wh...

Страница 42: ...for shield lines for more information n Grounding cables Nominal conductor cross sectional area 0 5 to 6 0 mm2 Solid 0 5 to 4 0 mm2 Flexible Temperature rating of cables Enclosure ambient temperature...

Страница 43: ...he use of twisted pair cables is also recommended for digital signals The twisted pair cable has the following advantages over a solid wire More flexible for easy curving and cabling in limited spaces...

Страница 44: ...e The specifications of the sleeve differ depending on the cable thickness Provide cable termination according to the following figure and tables L1 L2 L1 Sleeve with insulating cover Core Cable Peel...

Страница 45: ...ng bar for a shield line in the enclosure n Shield lines Nominal conductor cross sectional area 0 5 to 6 0 mm2 Solid 0 5 to 4 0 mm2 Flexible Temperature rating of cables Enclosure ambient temperature...

Страница 46: ...gle mode optical fiber 2 Required number of cores 2 Max length 50 km 1 If attenuation of light in the optical ESB bus 5 to 50 km connection is less than 3 dB attenuate to 3 dB by using an attenuator 2...

Страница 47: ...led number of equipment heating value by the maximum number of units installed is listed n Actual power on In Rush current of each component The following shows an example of actual in rush current me...

Страница 48: ...ns in general the temperature inside of the enclosure is about 10 C higher than the temperature outside the enclosure Note Random failures within the recommended replacement intervals may occur in som...

Страница 49: ...Estimate the ambient temperature around the power supply unit by roughly 10 C higher than the outside of the enclosure l Limited life parts of the N IO field enclosure for ProSafe RS Table Periodic r...

Страница 50: ...nsation or traces on enclosure interior exterior No discoloration or rust on enclosure interior exterior No condensation or traces on cards disconnect cards on the upper middle and lower stands and le...

Страница 51: ...i TI 30A30A10 01EN Revision Information l Title Installation Guidance for N IO field enclosure l Manual No TI 30A30A10 01EN Feb 2018 1st Edition Newly published Feb 26 2018 00...

Страница 52: ...Written by Yokogawa Electric Corporation Published by Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Subject to change without notice...

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