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3

I/O Wiring Strategies

The DL205 PLC system is very flexible and will work in many different wiring
configurations. By studying this section before actual installation, you can probably find the
best wiring strategy for your application. This will help to lower system cost, wiring errors,
and avoid safety problems.

PLC Isolation Boundaries

PLC circuitry is divided into three main regions separated by isolation boundaries, shown in
the drawing below. Electrical isolation provides safety, so that a fault in one area does not
damage another. A powerline filter will provide isolation between the power source and the
power supply. A transformer in the power supply provides magnetic isolation between the
primary and secondary sides. Opto-couplers provide optical isolation in Input and Output
circuits. This isolates logic circuitry from the field side, where factory machinery connects.
Note the discrete inputs are isolated from the discrete outputs, because each is isolated from
the logic side. Isolation boundaries protect the operator interface (and the operator) from
power input faults or field wiring faults. When wiring a PLC, it is extremely important to
avoid making external connections that connect logic side circuits to any other.

In addition to the basic circuits covered above, AC-powered and 125VDC bases include an
aux24VDC power supply with its own isolation boundary. Since the supply output is
isolated from the other three circuits, it can power input and/or output circuits!

Input Module

CPU

Comm.

Main

Power

Supply

Auxiliary

+24VDC

Supply

To Programming

Device, Operator

Inputs Commons

Commons

Outputs

+24VDC Out

PLC

DL205

Interface, Network

Output Module

Internal

Backplane

Supply for
Output Circuit

Primary Side

Secondary, or

Logic side

Field Side

Filter

Power
Input

CPU

Input

Module

Main

Power

Supply

Inputs

Outputs

Power
Input

Output

Module

Primary Side

Secondary, or

Logic side

Field Side

PLC

Programming Device,
Operator Interface, or Network

Isolation
Boundary

Isolation
Boundary

(backplane)

(backplane)

Filter

3

Chapter 3: I/O Wiring and Specifications

3–2

DL205 Installation and I/O Manual, 2nd Edition

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Содержание D2-08NA-1

Страница 1: ...DL205 Installation and I O Manual Manual Number D2 INST M ...

Страница 2: ......

Страница 3: ...t in hazardous environments requiring fail safe performance such as in the operation of nuclear facilities aircraft navigation or communication systems air traffic control direct life support machines or weapons systems in which the failure of the product could lead directly to death personal injury or severe physical or environmental damage High Risk Activities AutomationDirect specifically discl...

Страница 4: ...reux nécessitant une sécurité absolue par exemple l exploitation d installations nucléaires les systèmes de navigation aérienne ou de communication le contrôle de la circulation aérienne les équipements de survie ou les systèmes d armes pour lesquels la défaillance du produit peut provoquer la mort des blessures corporelles ou de graves dommages matériels ou environnementaux activités à risque éle...

Страница 5: ...lication Manual Number D2 INST M Issue 2nd Edition Issue Date 11 10 Publication History Issue Date Description of Changes 1st Edition 10 98 original edition Rev A 04 01 added modules Rev B 06 02 added surge suppression information and modules updated Appendix A 2nd Edition 11 10 converted to new word processor format added power budget added analog wiring and specs ...

Страница 6: ......

Страница 7: ...DL205 System I O Components 1 5 Bases 1 5 I O Configuration 1 5 I O Modules 1 5 Chapter 2 Installation and Power Wiring Safety Guidelines 2 2 Plan for Safety 2 2 Three Levels of Protection 2 3 Emergency Stops 2 3 Emergency Power Disconnect 2 4 Orderly System Shutdown 2 4 Class 1 Division 2 Approval 2 4 Mounting Guidelines 2 5 Base Dimensions 2 5 Panel Mounting and Layout 2 6 Enclosures 2 7 Environ...

Страница 8: ...g DC I O to Solid State Field Devices 3 7 Solid State Input Sensors 3 7 Solid State Output Loads 3 7 Relay Output Guidelines 3 9 Surge Suppression For Inductive Loads 3 9 I O Modules Position Wiring and Specification 3 13 Slot Numbering 3 13 Module Placement Restrictions 3 13 Special Placement Considerations for Analog Modules 3 14 Discrete Input Module Status Indicators 3 14 Color Coding of I O M...

Страница 9: ...put With Fault Protection 3 31 F2 16TD1P DC Output With Fault Protection 3 32 F2 16TD2P DC Output with Fault Protection 3 33 D2 32TD2 DC Output 3 34 D2 32TD1 DC Output 3 34 D2 08TA AC Output 3 35 F2 08TA AC Output 3 35 D2 12TA AC Output 3 36 D2 04TRS Relay Output 3 37 D2 08TR Relay Output 3 38 F2 08TR Relay Output 3 39 F2 08TRS Relay Output 3 40 D2 12TR Relay Output 3 41 D2 08CDR 4 pt DC Input 4pt...

Страница 10: ...annel Voltage Analog Output Module 3 70 DL205 Combination Analog I O Modules 3 72 F2 04AD2DA 4 Channel Analog Input 2 Channel Analog Output Module 3 72 F2 08AD4DA 1 8 Channel Analog Current Input 4 Channel Analog Current Output Module 3 74 F2 08AD4DA 2 8 Channel Analog Voltage Input 4 Channel Analog Voltage Output Module 3 76 Glossary of Specification Terms 3 78 Inputs or Outputs Per Module 3 78 C...

Страница 11: ...ion Manual A 4 Other Sources of Information A 4 Basic EMC Installation Guidelines A 4 Enclosures A 4 AC Mains Filters A 5 Suppression and Fusing A 5 Internal Enclosure Grounding A 5 Equi potential Grounding A 6 Communications and Shielded Cables A 6 Analog and RS232 Cables A 7 Shielded Cables within Enclosures A 7 Analog Modules and RF Interference A 8 Network Isolation A 8 DC Powered Versions A 8...

Страница 12: ......

Страница 13: ...INTRODUCTION 1 CHAPTER CHAPTER 1 1 CHAPTER In This Chapter Introduction 1 2 Conventions Used 1 3 CPU slot Controllers 1 4 ...

Страница 14: ... accomplish with our products Supplemental Manuals If you have purchased operator interfaces or DirectSOFT you will need to supplement this manual with the manuals that are written for these products Technical Support We strive to make our manuals the best in the industry We rely on your feedback to let us know if we are reaching our goal If you cannot find the solution to your particular applicat...

Страница 15: ...ight will be a warning This information could prevent injury loss of property or even death in extreme cases The word WARNING in boldface will mark the beginning of the text Key Topics for Each Chapter The beginning of each chapter will list the key topics that can be found in that chapter DL205 Installation and I O Manual 2nd Edition 1 3 Chapter 1 Introduction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B...

Страница 16: ...se The slave controllers must be connected to a network master controller module or to a PC running PC based control HMI or SCADA software The four controllers currently available are Ethernet Base Controller Module H2 EBC 100 F Profibus Slave Base Controller Module H2 PBC DeviceNetTM Slave Module F2 DEVNETS 1 Smart Distributed SystemTM Slave Module F2 SDS 1 WinPLC H2 WPLCx xx The WinPLC uses Wind...

Страница 17: ...on The number of I O points that can be supported is CPU slot controller dependent I O Modules The DL205 has some of the most powerful modules in the industry A complete range of discrete modules which support 24 VDC 110 220 VAC and up to 10A relay outputs are offered The analog modules provide 12 and 16 bit resolution and several selections of input and output signal ranges including bipolar The ...

Страница 18: ......

Страница 19: ...hapter Safety Guidelines 2 2 Mounting Guidelines 2 5 Installing DL205 Bases 2 10 Installing Components in the Base 2 12 Base Wiring Guidelines 2 13 2 INSTALLATION WIRING AND SPECIFICATIONS CHAPTER CHAPTER CHAPTER ...

Страница 20: ...a minimum number of highly reliable electromechanical components Every automation application is different so there may be special requirements for your particular application Make sure all national state and local government requirements are followed for the proper installation and use of your equipment Plan for Safety The best way to provide a safe operating environment is to make personnel and ...

Страница 21: ...are generally wired into a master control relay MCR or a safety control relay SCR that will remove power from the PLC I O system in an emergency MCRs and SCRs provide a convenient means for removing power from the I O system during an emergency situation By de energizing an MCR or SCR coil power to the input optional and output devices is removed This event occurs when any emergency stop switch op...

Страница 22: ...emory locations or include constants in the control program to insure a known starting point Orderly System Shutdown Ideally the first level of fault detection is the PLC control program which can identify machine problems Certain shutdown sequences should be performed The types of problems are usually things such as jammed parts etc that do not pose a risk of personal injury or equipment damage W...

Страница 23: ...e depth varies depending on your choice of I O module The length varies as the number of slots increase Make sure you have followed the installation guidelines for proper spacing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D Base A Base Total Width B Mounting Hole C Component Width D Width with Exp Unit Inches Millimeters Inches Millimeters Inches Millimeters Inches Millimeters 3 slot 6 77 172mm 6 41 1...

Страница 24: ...minimum of 7 2 183mm between bases 3 Provide a minimum clearance of 2 50mm between the base and all sides of the cabinet There should also be at least 1 2 30mm of clearance between the base and any wiring ducts 4 There must be a minimum of 2 50mm clearance between the panel door and the nearest DL205 component NOTE The cabinet configuration below is not suitable for EU installations Refer to Appen...

Страница 25: ...stabilized If the ambient temperature is not within the operating specification for the DL205 system measures such as installing a cooling heating source must be taken to get the ambient temperature within the DL205 operating specifications 8 Device mounting bolts and ground braid termination bolts should be 10 copper bolts or equivalent Tapped holes instead of nut bolt arrangements should be used...

Страница 26: ...tion AC Powered Bases 24 VDC Powered Bases 125 VDC Powered Bases Part Numbers D2 03B 1 D2 04B 1 D2 06B 1 D2 09B 1 D2 03BDC1 1 D2 04BDC1 1 D2 06BDC1 1 D2 09BDC1 1 D2 06BDC2 1 D2 09BDC2 1 Input Voltage Range 100 240 VAC 10 15 50 60 Hz 10 2 28 8VDC 24VDC with less than 10 ripple 104 240 VDC 10 15 Maximum Inrush Current 30A 10A 20A Maximum Power 80VA 25W 30W Voltage Withstand dielectric 1 minute 1500 ...

Страница 27: ...ended Agency Approvals Some applications require agency approvals Typical agency approvals which your application may require are UL Underwriters Laboratories Inc CSA Canadian Standards Association FM Factory Mutual Research Corporation CUL Canadian Underwriters Laboratories Inc 24 VDC Power Bases Follow these additional installation guidelines when installing D2 03BDC1 1 D2 04BDC1 1 D2 06BDC1 1 a...

Страница 28: ...uired Input power requirement AC or DC power Available power budget Mounting the Base All I O configurations of the DL205 may use any of the base configurations The bases are secured to the equipment panel or mounting location using four M4 screws in the corner tabs of the base The full mounting dimensions are given in the previous section on Mounting Guidelines WARNING To minimize the risk of ele...

Страница 29: ...7 5mm If you mount the base on a rail you should also consider using end brackets on each end of the rail The end brackets help keep the base from sliding horizontally along the rail This helps minimize the possibility of accidentally pulling the wiring loose If you examine the bottom of the base you ll notice small retaining clips To secure the base to a DIN rail place the base onto the rail and ...

Страница 30: ...e Push the module straight into the base until it is firmly seated in the backplane connector Once the module is inserted into the base push in the retaining clips to firmly secure the module to the base WARNING Minimize the risk of electrical shock personal injury or equipment damage Always disconnect the system power before installing or removing any system component Align module PC board to slo...

Страница 31: ...ue value is 7 81 lb in 0 882 N m NOTE You can connect either a 115 VAC or 220 VAC supply to the AC terminals Special wiring or jumpers are not required as with some of the other DirectLOGIC products WARNING Once the power wiring is connected install the plastic protective cover When the cover is removed there is a risk of electrical shock if you accidentally touch the wiring or wiring terminals 12...

Страница 32: ......

Страница 33: ...t 3 18 DL205 Digital Input Modules 3 22 DL205 Digital Output Modules 3 28 NOTES 3 43 DL205 Analog Input Modules 3 44 DL205 RTD and Thermocouple Modules 3 52 DL205 Analog Output Modules 3 56 DL205 Combination Analog I O Modules 3 72 Glossary of Specification Terms 3 78 3 I O WIRING AND SPECIFICATIONS CHAPTER CHAPTER CHAPTER ...

Страница 34: ...h is isolated from the logic side Isolation boundaries protect the operator interface and the operator from power input faults or field wiring faults When wiring a PLC it is extremely important to avoid making external connections that connect logic side circuits to any other In addition to the basic circuits covered above AC powered and 125VDC bases include an auxiliary 24VDC power supply with it...

Страница 35: ...ts as shown in the following diagram The 12 24VDC powered DL205 bases are designed for application environments in which low voltage DC power is more readily available than AC These include a wide range of battery powered applications such as remotely located control in vehicles portable machines etc For this application type all input devices and output loads typically use the same DC power sourc...

Страница 36: ... operator is likely to come in close contact with input wiring then safety reasons also require isolation from high energy output circuits It is most convenient if the loads can use the same power source as the PLC and the input sensors can use the auxiliary supply as shown to the left in the figure below If the loads cannot be powered from the PLC supply then a separate supply must be used as sho...

Страница 37: ...irection and the circuit will not operate However you can successfully connect the supply and field device every time by understanding sourcing and sinking For example the figure to the right depicts a sinking input To properly connect the external supply you will have to connect it so the input provides a path to ground Start at the PLC input terminal follow through the input sensing circuit exit...

Страница 38: ... the current in the common path is 4 times any channel s input current when all inputs are energized This is especially important in output circuits where heavier gauge wire is sometimes necessary on commons Most DL205 input and output modules group their I O points into banks that share a common return path The best indication of I O common grouping is on the wiring label such as the one shown to...

Страница 39: ...t circuit a field device has an open collector PNP transistor output It sources current to the PLC input point which sinks the current back to ground Since the field device is sourcing current no additional power supply is required Solid State Output Loads Sometimes an application requires connecting a PLC output point to a solid state input on a device This type of connection is usually made to c...

Страница 40: ...ch as in the field device It is important to choose the correct value of Rpull up In order to do so you need to know the nominal input current to the field device Iinput when the input is energized If this value is not known it can be calculated as shown a typical value is 15 mA Then use Iinput and the voltage of the external supply to compute Rpull up Then calculate the power Ppull up in watts in...

Страница 41: ...ad devices devices with a coil generate transient voltages when de energized with a relay contact When a relay contact is closed it bounces which energizes and de energizes the coil until the bouncing stops The transient voltages generated are much larger in amplitude than the supply voltage especially with a DC supply voltage When switching a DC supplied inductive load the full supply voltage is ...

Страница 42: ...rge voltage spike This figure shows the same circuit with a transorb TVS across the coil Notice that the voltage spike is significantly reduced Use the following table to help select a TVS or MOV suppressor for your application based on the inductive load voltage 3 24 VDC 24 VDC Module Relay Contact 324 VDC 24 VDC 24 VDC 24 VDC Module Relay Contact 42 VDC 24 VDC Vendor Catalog Suppressor Types Ind...

Страница 43: ...ay modules High current inductive loads such as clutches brakes motors direct acting solenoid valves and motor starters will benefit the most from external contact protection The RC network must be located close to the relay module output connector To find the values for the RC snubber network first determine the voltage across the contacts when open and the current through them when closed If the...

Страница 44: ...ing For best results follow these guidelines in using a noise suppression diode DO NOT use this circuit with an AC power supply Place the diode as close to the inductive field device as possible Use a diode with a peak inverse voltage rating PIV at least 100 PIV 3A forward current or larger Use a fast recovery type such as Schottky type DO NOT use a small signal diode such as 1N914 1N941 etc Be su...

Страница 45: ...al Expansion Base Remote I O Base CPUs CPU Slot Only DC Input Modules AC Input Modules DC Output Modules AC Output Modules Relay Output Modules Analog Input and Output Modules Local Expansion Base Expansion Module Base Controller Module CPU Slot Only Serial Remote I O Remote Master Remote Slave Unit CPU Slot Only Ethernet Remote Master CPU Interface Ethernet Base Controller Slot 0 Only Slot 0 Only...

Страница 46: ... ANLG M Discrete Input Module Status Indicators The discrete modules provide LED status indicators to show the status of the input points Color Coding of I O Modules The DL205 family of I O modules have a color coding scheme to help you quickly identify if a module is either an input module output module or a specialty module This is done through a color bar indicator located on the front of each ...

Страница 47: ...remove the terminal block press the squeeze tabs and pull the terminal block away from the module We also have DIN rail mounted terminal blocks DINnectors refer to our catalog for a complete listing of all available products ZIPLinks come with special pre assembled cables with the I O connectors installed and wired WARNING For some modules field device power may still be present on the terminal bl...

Страница 48: ...here possible 6 To minimize voltage drops when wires must run a long distance consider using multiple wires for the return line 7 Avoid running DC wiring in close proximity to AC wiring where possible 8 Avoid creating sharp bends in the wires 9 To reduce the risk of having a module with a blown fuse we suggest you add external fuses to your I O wiring A fast blow fuse with a lower current rating t...

Страница 49: ...rst four points are used D2 CTRINT 8 Input 8 Output D2 08TD1 8 Output F2 DEVNETS 1 None D2 16TD1 2 2 2 16 Output H2 PBC None D2 16TD1 2 P 16 Output F2 SDS 1 None D2 32TD1 2 32 Output D2 08SIM 8 Input AC Output Modules D2 EM None D2 08TA 8 Output D2 CM None F2 08TA 8 Output H2 ECOM 100 None D2 12TA 16 Output See note 1 Relay Output Modules D2 04TRS 8 Output Only the first four points are used D2 08...

Страница 50: ...ersonal injury or equipment damage CPU Power Specifications The following chart shows the amount of current available for the two voltages supplied from the DL205 base Use these currents when calculating the power budget for your system The Auxiliary 24V Power Source mentioned in the table is a connection at the base terminal strip allowing you to connect to devices or DL205 modules that require 2...

Страница 51: ...2 CM 100 0 D2 32TD1 2 350 0 D2 EM 130 0 AC Output Modules F2 CP128 235 0 D2 08TA 250 0 F2 DEVNETS 1 160 0 F2 08TA 250 0 F2 SDS 1 160 0 D2 12TA 350 0 Relay Output Modules D2 04TRS 250 0 D2 08TR 250 0 F2 08TRS 670 0 F2 08TR 670 0 D2 12TR 450 0 Analog Modules F2 04AD 1 50 80 F2 02DAS 1 100 50mA per channel F2 04AD 1L 100 5mA 10 30V F2 02DAS 2 100 60mA per channel F2 04AD 2 110 5mA 10 30V F2 4AD2DA 90...

Страница 52: ...ed Available Base Power Place the difference in the row labeled Remaining Power Available 4 If Total Power Required is greater than the power available from the base the power budget will be exceeded It will be unsafe to use this configuration and you will need to restructure your I O configuration WARNING It is extremely important to calculate the power budget If you exceed the power budget the s...

Страница 53: ...l in the row labeled Total power required 3 Subtract the row labeled Total power required from the row labeled Available Base Power Place the difference in the row labeled Remaining Power Available 4 If Total Power Required is greater than the power available from the base the power budget will be exceeded It will be unsafe to use this configuration and you will need to restructure your I O config...

Страница 54: ... Input Voltage Range 10 2 26 4 VDC Peak Voltage 26 4 VDC ON Voltage Level 9 5 VDC minimum OFF Voltage Level 3 5 VDC maximum AC Frequency N A Input Impedance 2 7 k Input Current 4 0 mA 12 VDC 8 5 mA 24 VDC Minimum ON Current 3 5 mA Maximum OFF Current 1 5 mA Base Power Required 5VDC 50 mA OFF to ON Response 1 to 8 ms ON to OFF Response 1 to 8 ms Terminal Type included Removable D2 8IOCON Status Ind...

Страница 55: ...urce Sink Source Sink Source Sink Source Inputs per Module 32 sink source Commons per Module 4 isolated 8 I O terminal points com Input Voltage Range 20 28 VDC Peak Voltage 30 VDC ON Voltage Level 19 VDC minimum OFF Voltage Level 7 VDC maximum AC Frequency N A Input Impedance 4 8 k Input Current 8 0 mA 24 VDC Minimum ON Current 3 5 mA Maximum OFF Current 1 5 mA Base Power Required 5VDC 25 mA OFF t...

Страница 56: ... Maximum Input Current 16 mA 15 6 VDC Minimum ON Current 3 mA Maximum OFF Current 0 5 mA Base Power Required 5VDC 25 mA OFF to ON Response 3 to 9 ms ON to OFF Response 3 to 9 ms Terminal Type not included Removable 40 pin connector1 Status Indicator Module activity LED Weight 2 1 oz 60 g 1 Connector sold separately See Terminal Blocks and Wiring for wiring options Sink Source 5 15VDC Sink Source 5...

Страница 57: ...r Module 1 2 I O terminal points Input Voltage Range 80 132 VAC Peak Voltage 132 VAC ON Voltage Level 75 VAC minimum OFF Voltage Level 20 VAC maximum AC Frequency 47 63 Hz Input Impedance 12 k 60 Hz Input Current 13 mA 100 VAC 60 Hz 11 mA 100 VAC 50 Hz Minimum ON Current 5 mA Maximum OFF Current 2 mA Base Power Required 5VDC 50 mA OFF to ON Response 5 to 30 ms ON to OFF Response 10 to 50 ms Termin...

Страница 58: ...ight 2 5 oz 70 g Operating Temperature 32ºF to 131ºF 0º to 55ºC Storage Temperature 4ºF to 158ºF 20ºC to 70ºC Humidity 35 to 95 non condensing Atmosphere No corrosive gases permitted Vibration MIL STD 810C 514 2 Shock MIL STD 810C 516 2 Insulation Withstand Voltage 1 500 VAC 1 minute COM GND Insulation Resistance 10M 500 VDC Noise Immunity NEMA 1 500V 1 minute SANKI 1 000V 1 minute RFI 150 MHz 430...

Страница 59: ...ange 80 132 VAC Peak Voltage 132 VAC ON Voltage Level 70 VAC minimum OFF Voltage Level 20 VAC maximum AC Frequency 47 63 Hz Input Impedance 12 k 60 Hz Input Current 11 mA 100 VAC 50 Hz 13 mA 100 VAC 60 Hz 15 mA 132 VAC 60 Hz Minimum ON Current 5 mA Maximum OFF Current 2 mA Base Power Required 5VDC 100 mA OFF to ON Response 5 to 30 ms ON to OFF Response 10 to 50 ms Terminal Type included Removable ...

Страница 60: ...nected L L L L 12 24VDC C 24V 0 C 1 C 2 C 3 10 2 26 4VDC 50mA 4A D2 04TD1 OUT 12 24 D2 04TD1 VDC 0 1 2 3 L L L L C Common L 12 24 24VDC VDC To LE D Optical Isolator 0V Output Other Circuits Reg Inductive Load 0 1A 1400 600 0 5A 300 120 1 0A 140 60 1 5A 90 35 2 0A 70 Load 8000 1600 100ms 800 540 3 0A 400 270 40ms 7ms Current Duration of output in ON state 4 0A 200 Maximum Number of Switching Cycles...

Страница 61: ...s Base Power Required 5VDC 100 mA OFF to ON Response 1 ms ON to OFF Response 1 ms Terminal Type included Removable D2 8IOCON Status Indicator Logic side Weight 2 3 oz 65g Fuses 1 per common 5A fast blow non replaceable Outputs per Module 8 current sourcing Commons per Module 1 Output Type PNP open collector Operating Voltage 12 to 24 VDC Output Voltage 10 8 to 26 4 VDC Peak Voltage 40 VDC ON Volta...

Страница 62: ...nt 0 2 mA Max Load Current 0 1A point 1 6A common Max Leakage Current 0 1 mA 30 VDC Max Inrush Current 150 mA for 10 ms Base Power Required 5VDC 200 mA OFF to ON Response 0 5 ms ON to OFF Response 0 5 ms Terminal Type included Removable D2 16IOCON Status Indicator Logic side Weight 2 3 oz 65g Fuses None Outputs per Module 16 current sourcing Commons per Module 2 Output Type NPN open collector Oper...

Страница 63: ...nt Fault Status Operation Missing external 24VDC Apply external 24VDC Open load1 Connect the load Over temperature Turn the output Y bit off or power cycle the PLC Over load current D2 250 1 or D2 260 The fault status indicators X bits can be reset by performing the indicated operations in the following table NOTE 1 Open load detection can be disabled by removing the jumper switch J6 on the module...

Страница 64: ...ntly support Think Do 8 0 It does not support Think Do Live or Studio NOTE 1 Not supported in D2 230 D2 240 and D2 250 CPUs Inputs per module 16 status indication Outputs per module 16 current sinking Commons per module 1 2 I O terminal points Output type NMOS FET open drain Operating voltage 10 2 26 4 VDC external Peak voltage 40 VDC AC frequency N A ON voltage drop 0 7 V output current 0 5 A Ove...

Страница 65: ... Think Do 8 0 It does not support Think Do Live or Studio NOTE 1 Not supported in D2 230 D2 240 and D2 250 CPUs Inputs per module 16 status indication Outputs per module 16 current sourcing Commons per module 1 Output type NMOS FET open source Operating voltage 10 2 26 4 VDC external Peak voltage 40 VDC AC frequency N A ON voltage drop 0 7 V output current 0 5 A Overcurrent trip 0 6 A min 1 2A max...

Страница 66: ...all points on 1 Connector sold separately See Terminal Blocks and Wiring for wiring options Outputs per Module 32 current sourcing Commons per Module 4 8 I O terminal points Output Type Transistor Operating Voltage 12 to 24 VDC Peak Voltage 30 VDC ON Voltage Drop 0 5 VDC 0 1 A Minimum Load Current 0 2 mA Max Load Current 0 1A point 0 8A common Max Leakage Current 0 1 mA 30 VDC Max Inrush Current 1...

Страница 67: ...ide Weight 3 5 oz Fuses None Outputs per Module 8 Commons per Module 1 2 I O terminal points Output Type SSR Triac Operating Voltage 15 264 VAC Peak Voltage 264 VAC ON Voltage Drop 1 5 VAC 0 1A 3 0 VAC 0 1A AC Frequency 47 to 63 Hz Minimum Load Current 10 mA Max Load Current 0 5A point 4A common Max Leakage Current 4 mA 264 VAC 60 Hz 1 2 mA 100 VAC 60 Hz 0 9 mA 100 VAC 50 Hz Max Inrush Current 10A...

Страница 68: ...1 0 50 60Hz L L Derating Chart Outputs per Module 12 Outputs Points Consumed 16 four unused see chart below Commons per Module 2 isolated Output Type SSR Triac Operating Voltage 15 132 VAC Peak Voltage 132 VAC ON Voltage Drop 1 5VAC 50mA 4 0VAC 50mA AC Frequency 47 to 63 Hz Minimum Load Current 10 mA Max Load Current 0 3A point 1 8A common Max Leakage Current 2mA 132 VAC 60 Hz Max Inrush Current 1...

Страница 69: ...e resistive Max Leakage Current 0 1 mA 264 VAC Max Inrush Current 5A for 10 ms Base Power Required 5VDC 250 mA OFF to ON Response 10 ms ON to OFF Response 10 ms Terminal Type included Removable D2 8IOCON Status Indicator Logic side Weight 2 8 oz 80 g Fuses 1 per point 6 3A slow blow replaceable Order D2 FUSE 3 5 per pack Chapter 3 I O Wiring and Specifications 3 37 DL205 Installation and I O Manua...

Страница 70: ...p N A AC Frequency 47 to 60 Hz Minimum Load Current 5mA 5VDC Max Load Current resistive 1A point 4A common Max Leakage Current 0 1 mA 265 VAC Max Inrush Current Output 3A for 10 ms Common 10A for 10 ms Base Power Required 5VDC 250 mA OFF to ON Response 12 ms ON to OFF Response 10 ms Terminal Type included Removable D2 8IOCON Status Indicator Logic side Weight 3 9 oz 110g Fuses One 6 3A slow blow r...

Страница 71: ...esponse 15 ms typical ON to OFF Response 5 ms typical Terminal Type included Removable D2 8IOCON Status Indicator Logic side Weight 5 5 oz 156g Fuses None Chapter 3 I O Wiring and Specifications 3 39 DL205 Installation and I O Manual 2nd Edition 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D Typical Relay Life1 Operations at Room Temperature Voltage Type of Load 2 Load Current 50mA 5A 7A 24 VDC Resistiv...

Страница 72: ...ncy 47 to 63Hz Minimum Load Current 10 mA 12 VDC Max Load Current resistive 7A point 3 subject to derating Max Leakage Current N A Max Inrush Current 12A Base Power Required 5VDC 670 mA OFF to ON Response 15 ms typical ON to OFF Response 5 ms typical Terminal Type included Removable D2 16IOCON Status Indicator Logic side Weight 5 5oz 156g Fuses None Chapter 3 I O Wiring and Specifications 3 40 DL2...

Страница 73: ...Load Current resistive 1 5 A point Max of 3A common Max Leakage Current 0 1 mA 265 VAC Max Inrush Current Output 3A for 10 ms Common 10A for 10 ms Base Power Required 5VDC 450 mA OFF to ON Response 10 ms ON to OFF Response 10 ms Terminal Type included Removable D2 16IOCON Status Indicator Logic side Weight 4 6 oz 130g Fuses 2 4A slow blow replaceable Order D2 FUSE 4 5 per pack Addresses Used Point...

Страница 74: ...uency N A Input Impedance 4 7 k Input Current 5 mA 24 VDC Maximum Current 8 mA 30 VDC Minimum ON Current 4 5 mA Maximum OFF Current 1 5 mA OFF to ON Response 1 to 10 ms ON to OFF Response 1 to 10 ms Fuses input circuits None Output Specifications Outputs per Module 4 Outputs Points Consumed 8 only first 4 pts are used Commons per Module 1 Output Type Relay form A SPST Operating Voltage 5 30 VDC 5 ...

Страница 75: ...DL205 Installation and I O Manual 2nd Edition 3 43 Chapter 3 I O Wiring and Specifications 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D NOTES ...

Страница 76: ...ll scale maximum Input Stability 1 count Full Scale Calibration Error offset error not included 12 counts max 20 mA current input Offset Calibration Error 7 counts max 4mA current input Step Response 4 9 ms to 95 of F S change Maximum Inaccuracy 5 77ºF 25ºC 65 32º to 140ºF 0º to 60ºC Accuracy vs Temperature 50 ppm ºC maximum full scale including max offset change Recommended Fuse 0 032 A Series 21...

Страница 77: ...0VDC on the module then the output of the external transmitter must be isolated To avoid ground loop errors recommended 4 20 mA transmitter types are 2 or 3 wire Isolation between input signal and power supply 4 wire Isolation between input signal power supply and 4 20 mA output CH1 4 wire 4 20mA Transmitter Optional OV A to D Converter Internal Module Wiring Analog S witch E xternal P S 250 See N...

Страница 78: ... count Full Scale Calibration Error offset error not included 5 counts max 20 mA current input Offset Calibration Error 2 counts max 4mA current input Step Response 1 ms to 95 of F S change Maximum Inaccuracy 1 77ºF 25ºC 25 32º to 140ºF 0º to 60ºC Accuracy vs Temperature 50 ppm ºC maximum full scale including max offset change of two counts Recommended Fuse 0 032A Series 217 fast acting current in...

Страница 79: ...ANALOG 8CH IN F2 08AD 1 10 30VDC 5mA ANALOG IN 4 20mA Note 1 Shields should be grounded at the signal source More than one external power supply can be used provided all the power supply commons are connected A Series 217 0 032A fast acting fuse is recommended for 4 20 mA current loops If the power supply common of an external power supply is not connected to 0 VDC on the module then the output of...

Страница 80: ...ts maximum bi polar Input Stability 1 count Full Scale Calibration Error offset error not included 3 counts maximum Offset Calibration Error 1 count maximum 0V input Maximum Inaccuracy 1 77ºF 25ºC 3 32º to 140ºF 0º to 60ºC Accuracy vs Temperature 50 ppm ºC full scale calibration change including maximum offset change Digital Input Points Required 16 x input points 12 binary data bits 2 channel ID ...

Страница 81: ... See NOTE 1 0VDC 24VDC CH1 CH2 CH3 CH4 CH4 CH3 CH2 CH1 Typical User Wiring 18 26 4VDC 24V CH1 CH1 CH2 CH2 CH3 CH3 CH4 CH4 IN ANALOG F2 04AD 2 4CH 0V CH1 CH2 CH3 CH4 24V 0V CH2 Voltage Transmitter CH3 Voltage Transmitter CH4 Voltage Transmitter DC to DC Converter 5V 15V 0V 15V 10 30VDC 5mA ANALOG IN 0 5 0 10VDC 5 10VDC Note 1 Shields should be grounded at the signal source F2 04AD 2 4 Channel Volta...

Страница 82: ... 8 channels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Linearity Error End to End 1 count 0 025 of full scale maximum Input Stability 1 count Full Scale Calibration Error offset error not included 3 counts maximum Offset Calibration Error 1 count maximum 0V input Step Response 1 ms to 95 of F S change Maximum Inaccuracy 1 77ºF 25ºC 3 32º to 140ºF 0º to 60ºC Accuracy vs Temperature 50 ppm ºC ...

Страница 83: ...AD 2 0V 10 30VDC 5mA ANALOG IN 0 5 0 10VDC 5 10VDC ADC Voltage Transmitter Voltage Transmitter Voltage Transmitter Voltage Transmitter CH1 CH3 CH5 CH7 0 VDC 24VDC CH2 CH4 CH6 CH8 CH1 CH2 CH3 CH4 24VDC Analog Multiplexer 0V 3 wire 2 wire 4 wire 3 wire Note 1 Shields should be grounded at the signal source Note 2 Connect all external power supply commons Note 3 Connect unused channels CH5 CH6 CH7 CH...

Страница 84: ...00ms full scale step input Common Mode Range 0 5 VDC Absolute Maximum Ratings Fault protected inputs to 50 VDC Sampling Rate 160 ms per channel Converter Type Charge Balancing Linearity Error 05ºC maximum 01ºC typical Maximum Inaccuracy 1ºC PLC Update Rate 4 channel scan max 240 250 1 D2 260CPUs 1 channel per scan max 230 CPU Digital Input Points Required 32 input points 16 binary data bits 2 chan...

Страница 85: ...Source Ref Adj x Note 2 Note 1 CH1 CH2 CH2 COM COM CH3 CH3 CH4 CH4 F2 04RTD IN TEM P F2 04RTD CH1 RTD RTD INPUT 0V Analog Multiplexer Notes 1 The three wires connecting the RTD to the module must be the same type and length Do not use the shield or drain wire for the third connection 2 If an RTD sensor has four wires the plus sense wire should be left unconnected as shown 3 This module is not comp...

Страница 86: ... Fault protected inputs to 50 VDC Accuracy vs Temperature 5 ppm ºC maximum full scale calibration including maximum offset change PLC Update Rate 4 channels per scan max D2 240 250 1 D2 260 CPU H2 EBC F 1 chan per scan max D2 230 CPU Digital Input Points Required 32 X input points 16 binary data bits 2 channel ID bits 4 diagnostic bits External Power Supply 60 mA maximum 18 to 26 4 VDC Base Power ...

Страница 87: ...65 to 1768ºC 149 to 3214ºF Type T 230 to 400ºC 382 to 752ºF Type B 529 to 1820ºC 984 to 3308ºF Type N 70 to 1300ºC 94 to 2372ºF Type C 65 to 2320ºC 149 to 4208ºF Display Resolution 0 1ºC or 0 1ºF Cold Junction Compensation Automatic Conversion Time 100 ms per channel Warm Up Time 30 minutes typically 1ºC repeatability Linearity Error End to End 05ºC maximum 01ºC typical Maximum Inaccuracy 3ºC excl...

Страница 88: ... Rate 1 channel per scan maximum D2 230 CPU 2 channels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Linearity Error end to end 1 count 0 025 of full scale maximum Conversion Settling Time 100 µs maximum full scale change Full Scale Calibration Error offset error included 5 counts max 20 mA 77ºF 25ºC Offset Calibration Error 3 counts max 4 mA 77ºF 25Cº Accuracy vs Temperature 50 ppm ºC full sca...

Страница 89: ... CH1 CH2 Current sinking Ch 1 Current sinking Ch 2 DC to DC Converter 5V 15V 0V 15V D to A Converter D to A Converter Ch 1 load 250Ω typical Ch 2 load 250Ω typical Internal Module Wiring Transient protected precision digital to analog converter output circuits Typical user wiring NOTE 1 Shields should be connected to the 0V of the module or the OV of the R S NOTE 2 Unused current outputs should re...

Страница 90: ...m Maximum Load Power Supply 620 18V 910 24V 1200 30V PLC Update Rate 1 channel per scan maximum D2 230 CPU 2 channels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Linearity Error end to end 1 count 0 025 of full scale maximum Conversion Settling Time 100 µs maximum full scale change Full Scale Calibration Error offset error included 5 counts max 20 mA 77ºF 25ºC Offset Calibration Error 3 count...

Страница 91: ...inking Ch 1 Current sinking Ch 2 DC to DC Converter 5V 15V 0V 15V D to A Converter D to A Converter 12 Ch 1 load 250Ω typical Ch 2 load 250Ω typical Internal Module Wiring Transient protected precision digital to analog converter output circuits Typical User Wiring Maximum user load is dependent upon loop power supply Loop power supply Load range ohm 15 VDC 0 to 450 12 VDC 0 to 300 10 VDC 0 to 200...

Страница 92: ... V Maximum Load Power Supply 375 12 V 975 24 V 1375 32 V PLC Update Rate 1 channel per scan maximum D2 230 CPU 2 channels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Conversion Settling Time 3ms to 0 1 of full scale Linearity Error end to end 10 count 0 015 of full scale maximum Gain Calibration Error 32 counts 0 05 Offset Calibration Error 13 counts 0 02 Output Drift 50 ppm ºC Maximum Inaccu...

Страница 93: ...F2 02DAS 1 OUT ANALOG F2 02DAS 1 2CH 0V1 I1 N C I1 N C Ch 1 load 0 1375 ohms NOTE 2 S upply 18 32VDC S ee NOTE 1 Ch 2 load 0 1375 ohms NOTE 2 D A 4 20mAcurrent sourcing D A 4 20mAcurrent sourcing ANALOGOUT 100ohms 100ohms NOTE 3 S ee Transmitter S upply 18 32VDC Typical user wiring ONOTE 1 Shields should be connected to the 0V terminal of the module NOTE 2 Load must be within compliance voltage NO...

Страница 94: ...rcing 250 load 0 63 sourcing 400 load Operating Temperature 32º to 140ºF 0º to 60ºC Storage Temperature 4 to 158ºF 20 to 70ºC Relative Humidity 5 to 95 non condensing Environmental air No corrosive gases permitted Shock Vibration MIL STD 810C 514 2 Noise Immunity NEMA ICS3 304 Terminal Type included Removable D2 16IOCON Number of Channels 8 single ended Output Ranges 4 to 20 mA Resolution 12 bit 1...

Страница 95: ...ion and I O Manual 2nd Edition 3 63 Chapter 3 I O Wiring and Specifications 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D F2 08DA 1 8 Channel 4 20mA Analog Output NOTE 1 Shields should be connected to the 0V of the module ...

Страница 96: ...ettling Time 5µs maximum full scale change Full Scale Calibration Error offset error included 12 counts max unipolar 77ºF 25ºC 16 counts max bipolar 77ºF 25ºC Offset Calibration Error 3 counts max unipolar 77ºF 25ºC 8 counts max bipolar 77ºF 25ºC Accuracy vs Temperature 50 ppm ºC full scale calibration change including maximum offset change of 2 counts Maximum Inaccuracy 0 3 unipolar ranges 77ºF 2...

Страница 97: ...erter output circuits Ch 1 minimum Ch 1 load 2K minimum Voltage sink source Ch 2 24V CH1 CH1 CH2 CH2 NC NC NC NC 18 30VDC 60mA F2 02DA 2 OUT ANALOG F2 02DA 2 2CH ANALOGOUT 0 5VDC 0V 5 5VDC 0 10VDC 10 10VDC DC to DC Converter 5V 15V 0V 15V D to A Converter D to A Converter Typical user wiring Internal module wiring NOTE 1 Shields should be connected to the 0V of the module or the OV of the R S NOTE...

Страница 98: ...Settling Time 5 µs maximum full scale change Full Scale Calibration Error offset error included 12 counts max unipolar 77ºF 25ºC 16 counts max bipolar 77ºF 25ºC Offset Calibration Error 3 counts max unipolar 77ºF 25ºC 8 counts max bipolar 77ºF 25ºC Accuracy vs Temperature 50 ppm ºC full scale calibration change including maximum offset change of 2 counts Maximum Inaccuracy 0 3 unipolar ranges 77ºF...

Страница 99: ...annel Voltage Analog Output OV Internal Module Wiring 12 VDC See Ch 2 load 2K 0VDC 12VDC N C N C N C N C NOTE 1 70mA CH1 CH2 CH1 CH2 Voltage sink source Transient protected precision digital to analog converter output circuits Ch 1 minimum Ch 1 load 2K minimum Voltage sink source Ch 2 V CH1 CH1 CH2 CH2 NC NC NC NC 10 15VDC 70mA F2 02DA 2L OUT ANALOG F2 02DA 2L 2CH ANALOGOUT 0 5VDC 0V 5 5VDC 0 10VD...

Страница 100: ...pply 21 6 26 4 VDC 60 mA per channel Load Impedance 2 k min PLC Update Rate 1 channel per scan maximum D2 230 CPU 2 channels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Conversion Settling Time 3ms to 0 1 of full scale Linearity Error end to end 10 count 0 015 of full scale maximum Gain Calibration Error 32 counts 0 05 Offset Calibration Error 13 counts 0 02 Output Drift 50 ppm ºC Maximum Ina...

Страница 101: ... Transmitter S ee 0V1 V1 0V2 V2 NOTE 1 V1 N C N C 0V2 V2 F2 02DAS OUT ANALOG 2CH 0V1 N C N C Ch 1 load 2k ohms NOTE 2 S upply 24 VDC Ch 2 load 2k ohms NOTE 2 D A Voltage Source D A Transmitter S upply VDC 24 Voltage Source 100ohms 100ohms 2 CH1 V CH1 V CH2 V CH2 V CH1 V CH1 V CH2 V CH2 V NOTE 1 Shields should be connected to the 0V of the module or the OV of the P S Typical user wiring Internal mo...

Страница 102: ...annels per scan maximum D2 240 D2 250 1 and D2 260 CPUs Conversion Settling Time 400 µs maximum full scale change 4 5 ms to 9ms for digital out to analog out Linearity Error end to end 1 count 0 025 of full scale maximum Full Scale Calibration Error 12 counts max unipolar 25ºC 77ºF Offset Calibration Error 3 counts max unipolar 25ºC 77ºF Accuracy vs Temperature 57 ppm ºC full scale calibration cha...

Страница 103: ... V5 V7 V8 NOTE 1 V1 V3 V2 V4 Voltage source Ch 1 Ch 1 load 1K 10K ohms minimum Voltage source Ch 8 24V V1 V2 V3 V4 V5 V6 V7 V8 90mA F2 08DA 2 OUT ANALOG F2 08DA 2 8CH ANALOGOUT 0 5VDC 0V 0 10VDC DC to DC Converter 5V 15V 0V 15V D to A Converter D to A Converter V6 S ee NOTE 1 Ch 8 load 1K 10K ohms minimum 18 30VDC 90mA Typical user wiring Internal module wiring NOTE 1 Shields should be connected t...

Страница 104: ...scale maximum Output Settling Time 100 µs maximum full scale change Accuracy vs Temperature 50 ppm ºC full scale calibration change including maximum offset change Maximum Inaccuracy 0 1 77ºF 25ºC 0 3 32 to 140ºF 0 to 60ºC Digital Input and Output Points Required 16 X input points 12 binary data bits 2 channel ID bits 2 diagnostic bits 16 Y output points 12 binary data bits 2 channel enable bits P...

Страница 105: ...used channel should remain open for minimum power consumption Note 3 More than one external power supply can be used provided the power supply commons are connected Note 4 A Series 217 0 032A fast acting fuse is recommended for 4 20 mA current input loops Note 5 If the power supply common of an external power supply is not connected to 0 VDC on the module then the output of the external transmitte...

Страница 106: ...ax Maximum Inaccuracy 0 1 of range Linearity Error End to End 12 bit 2 count max 0 06 of range 14 bit 10 count max 0 06 of range 16 bit 20 count max 0 06 of range Monotonic with no missing codes Full Scale Calibration Error not including offset error 0 07 of range max Offset Calibration Error 0 03 of range max Rec Fuse external 0 032A Littelfuse Series 217 fast acting Base Power Required 5VDC 35 m...

Страница 107: ...eries 217 0 032A fast acting fuse is recommended for all 4 20mA current loop inputs Note 2 Connect shields to the 0V of the module do not connect both ends of shield 100Ω 100Ω CH1 DAC CH2 DAC COM CH4 DAC CH3 DAC Isolated analog circuit power User 24VDC supply COM 24VDC 0VDC I1 I2 I3 I4 4 20mA output Channel 2 4 20mA output Channel 3 4 20mA output Channel 4 4 20mA output Channel 1 See Note 2 Intern...

Страница 108: ...ange C Max Crosstalk DC 50 60Hz 70 dB 1 LSB Input Channels per Module 8 single ended one common Input Range 0 to 10 V Resolution 12 14 16 bit selectable External DC Power Required 80 mA 18 26 4 VDC Max Continuous Overload 100 V Input Impedance 10 M Filter Characteristics Active low pass 3 dB 80Hz Conversion Time 12 bit 1 5 ms per channel 14 bit 6 ms per channel 16 bit 25 ms per channel Conversion ...

Страница 109: ...C COM Note 1 Connect shields to the 0V of the module do not connect both ends of shield CH1 DAC CH2 DAC COM CH4 DAC CH3 DAC Isolated analog circuit power User 24VDC supply COM 24VDC 0VDC V1 V2 V3 V4 Voltage output Channel 2 Voltage output Channel 3 Voltage output Channel 4 Voltage output Channel 1 See Note 1 Internal module wiring Transmitter power See Note 1 See Note 1 80mA Linearity Error End to...

Страница 110: ... frequency range ON Voltage Level The voltage level at which the input point will turn ON OFF Voltage Level The voltage level at which the input point will turn OFF Input impedance Input impedance can be used to calculate input current for a particular operating voltage Input Current Typical operating current for an active ON input Minimum ON Current The minimum current for the input circuit to op...

Страница 111: ...different modules The guidelines for using module power is explained in the power budget configuration section in Chapter 4 7 OFF to ON Response The time the module requires to process an OFF to ON state transition ON to OFF Response The time the module requires to process an ON to OFF state transition Terminal Type Indicates whether the terminal type is a removable or non removable connector or a...

Страница 112: ......

Страница 113: ...In This Appendix European Union EU Directives A 2 Basic EMC Installation Guidelines A 4 EUROPEAN UNION DIRECTIVES CE APPENDIX A APPENDIX PPENDIX A A ...

Страница 114: ... Iceland Liechtenstein and Norway together with the EU members make up the European Economic Area EEA and all are covered by the Directives Applicable Directives There are several Directives that apply to our products Directives may be amended or added as required Electromagnetic Compatibility Directive EMC this Directive attempts to ensure that devices equipment and systems have the ability to fu...

Страница 115: ...ndard for industrial environment Low Voltage Directive Standards Applicable to PLCs EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Product Specific Standard for PLCs EN61131 2 Programmable controllers equipment requirements and tests This standard replaces the above generic standards for immunity and safety However the generic emissions standards ...

Страница 116: ...onsiderations It may be possible for you to obtain this information locally however the official source of applicable Directives and related standards is The Office for Official Publications of the European Communities L 2985 Luxembourg quickest contact is via the World Wide Web at http publications europa eu index_en htm Other sources are British Standards Institution Sales Department Linford Woo...

Страница 117: ...ses and the capacity of the transient suppressor must be greater than the blow characteristics of the fuses or circuit breakers to avoid a fire risk A recommended AC supply input arrangement for Koyo PLCs is to use twin 3 amp TT fused terminals with fuse blown indication such as DINnectors DN F10L terminals or twin circuit breakers wired to a Schaffner FN2010 filter or equivalent with high energy ...

Страница 118: ...Shielded Cables Good quality 24 AWG minimum twisted pair shielded cables with overall foil and braid shields are recommended for analog cabling and communications cabling outside of the PLC enclosure To date it has been a common practice to only provide an earth ground for one end of the cable shield in order to minimize the risk of noise caused by earth ground loop currents between apparatus The ...

Страница 119: ... pair cable for RS485 links This is because the extra pair can be used as the 0V inter system link With loop DC power supplies earth grounded in both systems earth loops are created in this manner via the inter system 0V link The installation guides encourage earth loops which are maintained at a low impedance by using heavy equi potential bond wires To account for non European installations using...

Страница 120: ...have a keyswitch Use a keylock and switch on your enclosure which when open removes power from the FA ISOCON To avoid the introduction of noise into the system any keyswitch assembly should be housed in its own earth grounded steel box and the integrity of the shielded cable must be maintained Again for further information on EU directives we recommend that you get a copy of our EU Installation Ma...

Страница 121: ...perators or untrained personnel the equipment must be installed inside an internal cover or secondary enclosure A warning label must be used on the front door of the installation cabinet as follows Warning Exposed terminals and hazardous voltages inside It should be noted that the safety requirements of the machinery directive standard EN60204 1 state that all equipment power circuits must be wire...

Страница 122: ......

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