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1. Model Specifications Output Graph Optical Dynamic Range Optical Power Loss Budget 17dB minimum 2D1 9 2D19 Optical Module Typical loss at 1300nm for Analog Output Reading vs Loss Budget 62 5 125um Multi mode Fiber 1 5dB km 20 0 0 46dB 1000ft KS Typical Loss at a Fiber Fiber San Junction Fiber Patch Panel 1aB H ka Graph Indicates the optical loss budget available a based on the output current indicated s 1 Example A 12mA output indicates that 14dB of Wi l BO W G a BE A additional optical power loss will be required Ouri Reading imal before the optical signal will no longer be received Optical Dynamic Range Optical Power Loss Budget 10dB minimum 2D36 2D36 Optical Module Typical loss at 1300nm for Analog Output Reading vs Loss Budget 9 125pum Single mode Fiber 0 5dB km 0 15dB 1000ft See Typical Loss at a Fiber Fiber 3 10 0 Junction Fiber Patch Panel 0 5dB 3 a Graph Indicates the optical loss budget available ae based on the output current indicated T ao m m 0 4 8 12 16 20 24 28 Example An 8mA output indicates that 5dB of Output Reading m additional optical power loss will be required before the optical signal will no longer be received Optical Dynamic Range Optical Power Loss Budget 16dB minimum 2D46 2D46 Optical Module Typical loss at 1300nm for Analog Output Reading vs Loss Budget 9 125um Single mode Fiber 0 5dB km 0 15dB 1000ft e Typical Loss at a Fiber Fiber 15 0 Junctio
2. Power Requirements 90 to 260VAC 47 440Hz at 400mA 120 to 260VDC at 400mA 2A06 Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block Accept 12 to 24 AWG Input Fuse 250V 400mA slow blow 5 x 20mm Littlefuse 218 400 Input Power Range 15 to 30VDC at 400mA 2A08 Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block accepts 12 to 24 AWG Input Fuse 400mA slow blow 5 x 20mm Littlefuse 218 400 Power Requirements 90 to 260VAC 47 440Hz at 400mA 120 to 260VDC at 400mA 2A16 Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block Accept 12 to 24 AWG Relay Contacts Form C SPDT 175Vdc 1A Continuous 0 25A Switching Input Fuse 250V 400mA slow blow 5 x 20mm Littlefuse 218 400 Input Power Range 15 to 30VDC at 400mA 2A18 Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block accepts 12 to 24 AWG Relay Contacts Form C SPDT 175Vdc 1A Continuous 0 25A Switching Input Fuse 400mA slow blow 5 x 20mm Littlefuse 218 400 Table 2 1 EOTec 2C20 User Manual EOTec ControlNet Hardware The various power supplies are wired as shown below in figure 2 1 In addition to power the 2A16 and 2A18 have an alarm relay Connections to Form C SPDT relay c
3. Example An 8mA output indicates that 7dB of nS e ke kaj EC additional optical power loss will be required before the optical signal will no longer be received Optical Dynamic Range 2D09 Optical Power Loss Budget 12dB minimum Se ptical jodule Typical loss at 1300nm for Analog Output Reading vs Loss Budget 62 5 125um Multi mode Fiber 1 5dB km a 0 46dB 1000ft T 140 Typical Loss at a Fiber Fiber a Junction Fiber Patch Panel 1aB S 380 D 6 0 Graph Indicates the optical loss budget available 8 sa based on the output current indicated 0 0 a r A 24 28 Example An 8mA output indicates that 7dB of sf SE additional optical power loss will be required before the optical signal will no longer be received Optical Dynamic Range 2D10 Optical Power Loss Budget 17dB minimum api Optical Medals Analog Output Reading vs Loss Budget Typical loss at 850nm for a oe i s 62 5 125um Multi mode Fiber 3 5dB km 180 1 07dB 1000ft a Typical Loss at a Fiber Fiber mo Junction Fiber Patch Panel 1aB 100 Graph Indicates the optical loss budget available m f based on the output current indicated 20 Example A 12mA output indicates that 14dB of o 4 a ee e additional optical power loss will be required before the optical signal will no longer be received Table 2 3a 10 EOTec 2C20 User Manual EOTec ControlNet Hardware
4. You should be aware that this does not mean all media and EOTec modules in your network only the media and modules that link the two furthest nodes of your system Network delays include the delays through coax and fiber media coax electrical modules 2C20 and optical modules 2Exx 2Dxx Use Example 1 and Example 2 to help you understand which media and Weed modules to use when calculating maximum propagation delay In order for a network to operate the sum of the network s delays must be equal to or less than the ControlNet specified maximum propagation delay of 121s The total network allowable delay each way is 121us The propagation delays through taps are minimal and can be ignored Listed in table 4 5 are delay values for EOTec ControlNet devices and media Media Item Propagation Delay Time 2C20 800ns 2E07 2D07 100ns 2E09 2D09 100ns 2E10 2D10 100ns 2E19 2D19 100ns 2E36 2D36 100ns 2E46 2D46 100ns RG 6 Coax Cable 4 17ns meter Multi mode Fiber 5 01ns meter Single Mode Fiber 5 01ns meter Table 4 5 29 EOTec 2C20 User Manual Planning and Installation Example 1 Maximum Delay Single Channel The following example figure 4 2 shows a star network designed with both coax and optical fiber segments Each delay in the network is marked D1 through D9 Additionally the network is divided at the star hub into 3 separate links e 4 to help examine the various delay
5. but additionally reports optical power levels Refer to EOTec Optical Fiber Modules and EOTec Optical Diagnostic Modules to make your optical selections 16 EOTec 2C20 User Manual Network Configurations Device Jumpers When configuring a ControlNet Stack some of the communication modules electrical and optical will need to be reconfigured By default all 2C20 modules will come configured as the Master device refer to Default Settings so only one module of each ControlNet Stack can remain in this setting As shown in table 3 1 select a unique address for all other modules within the stack also see Stack Address For the ControlNet protocol optical modules do not function properly as a bus Master so each stack must include a 2C20 Additionally optical modules have a protocol jumper that must be set to E for use in the ControlNet environment and a power level jumper for selecting light intensity In normal use this will be set to H for high light intensity but for very short optical links a low L setting is provided to help in avoiding optical overdrive See table 3 2 for all optical module jumper settings Power supplies have no jumper settings and come ready to use as ordered 2C20 Electrical Module All Optical Modules Bus Address Jumper Setting Bus Address Jumper Setting Bus Master M Bus Master M Address One 1 Address One 1 Address Two 2 Addres
6. 12 000 20 000 20 000 Estimated Max Distance mi 2 130 3 017 4 970 7 456 12 427 12 427 The 2E46 is capable of much longer distances but is constrained by the ControlNet maximum network limit Table 4 3 Understanding Fiber Attenuation You must calculate the power budget for your fiber cable Once you start modifying the lengths of the cable installing bulkhead or fusion splices installing longer distances exposing the cable to multiple sharp bends or employing different quality cable and connector types you must determine your attenuation levels Use the example below to help you determine fiber attenuation levels From table 4 3 above you can see the power budget for a 2E07 Optical Module is 12dB This means that the maximum amount of attenuation between this module and the one connected at the other end of the fiber can not exceed 12dB This power budget is valid throughout the operating temperature range 40 to 85 C If you modify the cables with splices then you must recalculate the attenuation levels Use the steps in table 4 4 to determine the correct fiber attenuation for selecting the correct EOTec optical modules for your application Step Description Explanation 1 Determine total power budget Given the application the size of the network and fiber type how much total loss dB is expected and allowed Account for all added attenuation from insertion loss on the fiber segm
7. Fiber is made of glass so it is immune to EMI ElectroMagnetic Interference Use Fiber in noisy environments such as heavy machinery and multiple cable systems where copper could suffer communication disruptions Fiber is also a great choice for high voltage environments No Sparks Fiber conducts light not electrical pulses so it is a safe choice for carrying data communication through hazardous areas Less Signal Loss Fiber media carries data using light pulses not electrical current Thus fiber can carry data much greater distances Greater distance between repeaters means that fewer repeaters are needed between long distance nodes Less Size and Weight Fiber cables are much smaller and lighter than coax cables Table 4 2 Understanding Fiber Limitations While fiber has many benefits over coax there are limitations too Every network that uses fiber repeaters must maintain a minimum signal level for each fiber segment in order to achieve effective signal strength Attenuation of a fiber segment is effected by the quality of the termination at each connector splices bulkheads and the fiber cable itself At any time the total amount of attenuation shall not exceed the power budget of the optical repeater module used Understanding EOTec Fiber Modules When choosing an optical module to use in your configuration a commonly asked question is What particular cable type is used with a particular module You must
8. Figure 3 4 The configuration below in figure 3 5 can be confused with an optical repeater However this use of optical modules is not supported for the ControlNet protocol and will induce continual data errors By choosing the proper optical modules to span the entire distance required as shown in figure 3 4 this invalid configuration is avoided Invalid Optical Repeater Figure 3 5 lt lt Bi Directional Electrical Segment of ControlNet Trunk Line Bi Directional Optical Extention of ControlNet Trunk Line 19 EOTec 2C20 User Manual Network Configurations Daisy Chain Communication A Daisy Chain also known as Cascading is used to connect multiple nodes to one network segment This term is also used when interconnecting several segments via electrical repeaters to form a network of continuous segments see figure 3 6 Figure 3 6 By using optical repeaters several ControlNet coax segments can be interconnected together over long distances see figure 3 7 Or an optical segment can be used to interconnect multiple coax segments to form one network see figure 3 8 Any combination of repeaters can be used and is limited only by the ControlNet maximum delay time Figure 3 7 Figure 3 8 ep Bi Directional Electrical Segment of ControlNet Trunk Line geg BiDirectional Optical Extention of ControlNet Trunk Line 20 EOTec 2C20 User Manual Network Configurations Star Communication A Star configuration can
9. Mounting 35mm DIN Rail Weight lt 9 oz 250g Regulatory UL cUL Recognized Packaging polyamide UL 94V 0 2A08 2A18 Power Supply Module PSM Input Power Range 15 to 30VDC at 400mA Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block accepts 12 to 24 AWG Input Fuse 400mA slow blow 5 x 20mm Littlefuse 218 400 Relay Contact 2A16 Only Form C SPDT 175Vdc 1A Continuous 0 25A Switching Operating temperature range 40 to 85 C Storage temperature range 40 to 85 C Humidity non condensing 5 to 95 RH Mounting 35mm DIN Rail Weight lt 9 oz 250g Hazardous locations UL cUL and FM Class I Division 2 Groups A B C D T4 Packaging polyamide UL 94V 0 42 EOTec 2C20 User Manual Technical Specifications Dimensions Module Type Model Number s EIM 2C20 OIM 2E07 2E09 2E10 2E19 2E36 2E46 2D07 2D09 2D10 2D19 2D36 2D46 PSM 2A08 2A18 3 9 99 l 4 5 114 Inch mm Double Wide Modules Module Type Model Numbers PSM 2A06 2A16 0 9 22 5 le 45 114 Inchimm 43 EOTec ControlNet Product Series EOTec 2C20 User Manual EOTec ControlNet Product Series WI HOMJOU WAWXEW w JANICAUOJ 84 q paulenswoo si jq seoueysip ug onw Jo alqedeo S
10. The 2C20 is a direct electrical connection to your ControlNet hardware and is the heart of the Weed ControlNet Stack It can be used to link together a coax network or be teamed with fiber optic modules to provide noise immune communications over greater distances Designed for Industrial Applications gt High Performance Reliable Technology o Fully compliant with ControlNet specification gt Support for Multiple Network Structures o Point to point Branch o Daisy chain structure Linear EOTec 2000 o Star structure o Tree structure gt Industrial Design for High Reliability o Modular flexible scaleable o Operating temperature range 40 to 85C o FM approved for Class l Div 2 Groups A B C amp D o Standard 35 mm DIN rail mounting gt Optional accessories available o Fiber optic expansion modules Multi mode and Single mode Redundant power supplies Power alarm relays Optical power level diagnostic ports ooo EOTec 2C20 User Manual EOTec ControlNet Hardware EOTec Power and Alarm Connections The 2C20 interface module can be powered from the same DC source that is used to power other Weed I O devices Power is applied by connecting an EOTec Power Supply Module to the backplane of the EOTec 2C20 Electrical Interface Module Adding an additional power supply redundant supply module prevents possible down time resulting from power loss and is available in several models from Weed Instrument Model Specifications
11. fiber for breaks 4 H transmit is good and fiber is good replace this module l PICTEN Module is transmitting data Transmit The LED flashes on for every packet At the ControlNet TX data rate the light will appear to be on continuously Off No data is being transmitted 1 Insure the coax cable is connected 2 Check the EIM to insure data is coming in on coax solid green COM light 3 Insure that all modules are securely connected together on the Interconnection BUS 4 If everything is connected correctly replace this module For OIM illustration refer to figure 5 3 above 38 EOTec 2C20 User Manual Default Settings 6 Default Settings This chapter lists the factory default settings when an EOTec ControlNet module comes out of the box Use this information to find out what changes may be necessary for tailoring the switch to your exact needs For reconfiguring jumpers consult the Device Jumpers sections of this manual Default Settings Interconnect BUS Address Optical Power Level Interconnect BUS Address Protocol 2C20 Electrical Module All Optical Modules Interconnect BUS Address M 1 Optical Power Level n a H Protocol n a E 39 E OTec 2C20 User Manual Technical Specifications A Technical Specifications 2C20 Electrical Interface Module EIM Maximum nodes 99 nodes supported Maximum taps per segment 48 using coax cable length of 25
12. of ST connectors For each fiber port there is a Transmit TX and Receive RX signal When making your fiber optic connections ensure that the Transmit port of the first module connects to the Receive port of the second module TX to RX and the Transmit port of the second module connects to the Receive port of the first module RX from TX Fiber optic cables with color coded ST connectors are recommended to help ensure proper connection from Transmit to Receive ports 15 EOTec 2C20 User Manual Network Confiqurations A Network Configuration This chapter describes various network topologies you can configure using EOTec 2000 ControlNet Stacks and provides details on the Weed hardware to use Network Setup and Operation As each network is different Weed offers easily configured modules to meet your unique ControlNet needs The EOTec 2000 ControlNet Stacks are modular to allow ease of selection in meeting these communication needs To begin selection first start at the heart of the stack with the 2C20 This module has a bi directional BNC port to connect directly to your ControlNet coax trunk line Communication to other modules is made easy through the interconnection BUS on the back of each EOTec module This module will be your BUS master and will control direction of communication of all other modules in this stack See Device Jumpers and Module Address for more details on how to properly configure each ControlNet Stac
13. 01yus km 1 53p4s 1000ft Optical Transmit Indicator Green LED flashes with data from OIM output to fiber At ControlNet data rate LED will not turn off Optical Receive Indicator Amber LED flashes with data from the fiber input At ControlNet data rate LED will not turn off Mounting 35mm DIN Rail Weight lt 9 oz 250g Power input 7 5 to 9 5Vdc 200mA supplied from any EOTec 2000 Power Supply via the integrated BUS interconnections Input power maximum 1 8W Operating temperature range 40 to 85 C Storage temperature range 40 to 85 C Humidity non condensing 5 to 95 RH EMC Requirements IEC61326 1 1998 Hazardous locations UL cUL and FM Class I Division 2 Groups A B C D T4 Packaging polyamide UL 94V 0 41 EOTec 2C20 User Manual Technical Specifications 2A06 2A16 Power Supply Module PSM Power Requirements 90 to 260VAC 47 440Hz at 400mA 120 to 260VDC at 400mA Output to Integrated BUS Interconnections Nominal 9Vdc 1 1A Screw Terminals Pluggable cage clamp screw terminal block accepts 12 to 24 AWG Input Fuse 250V 400mA slow blow 5 x 20mm Littlefuse 218 400 Relay Contact 2A16 Only Form C SPDT 175Vdc 1A Continuous 0 25A Switching Operating temperature range 40 to 85 C Storage temperature range 40 to 85 C Humidity non condensing 5 to 95 RH
14. 0m maximum Maximum coax cable length 1000m when connected to only 2 taps Trunk connection Connect via ControlNet Tap with 1m drop cable required Coax cable connection BNC Data rate 5M baud Propagation Delay 800ns Maximum Coax propagation delay 4 17us km 1 27ps 1000ft Power indicator Green LED illuminates with power applied Com indicator Green LED flashes with data from the coax cable input Mounting 35mm DIN Rail Weight lt 9 oz 250g Power input 7 5 to 9 5Vdc 200mA supplied from any EOTec 2000 Power Supply via the integrated BUS interconnections Input power maximum 1 8W Operating temperature range 40 to 85 C Storage temperature range 40 to 85 C Humidity non condensing 5 to 95 RH EMC Requirements IEC61326 1 1998 Hazardous locations UL cUL and FM Class I Division 2 Groups A B C D T4 Packaging polyamide UL 94V 0 40 EOTec 2C20 User Manual Technical Specifications 2Exx 2Dxx Optical Interface Module OIM Optical Wavelength See table 4 3 Understanding EOTec Fiber Modules Communications Data Rage 9 6K to 12 Mbps ControlNet 5Mbps Optical Port Connection ST Compatible Optical Dynamic Range Optical Power Budget See table 4 3 Understanding EOTec Fiber Modules Propagation Delay 100ns Maximum Fiber propagation delay 5
15. 1 5dB km 1 5dB km 0 5dB km 0 5dB km Optical Power Budget 12dB 17dB 12dB 17dB 10dB 16dB Estimated Max Distance km 3 429 4 857 8 000 12 000 20 000 20 000 Estimated Max Distance mi 2 130 3 017 4 970 7 456 12 427 12 427 The 2E46 is capable of much longer distances but is constrained by the ControlNet maximum network limit Appendix B EOTec 2C20 Product Series includes more information on optical models Your EOTec ControlNet modules may require jumper configurations All ControlNet communication modules have easily selectable jumpers to meet your unique network configuration Each module must have a different address to allow communication across the Interconnection BUS but the modules can be connected in any order when integrated into a communication stack for your specific needs See Device Jumpers for the proper jumper settings for your ControlNet modules 2C20 Electrical Module Interconnect BUS Address Optical Power Level Interconnect BUS Address Protocol Optional Accessories Contact your Weed sales representative to order any of these accessories e Fiber optic expansion modules e Redundant power supplies e Power Alarm Relays e Optical Power Level Diagnostic Output Ports EOTec 2C20 User Manual EOTec ControlNet Hardware 2 EOTec ControlNet Hardware This chapter describes the EOTec 2C20 and how it is designed to give reliable operation in harsh industrial environments
16. 2Dxx series to provide a 4 to 20mA diagnostic output for use in determining optical power level light intensity of any or all glass fiber cables ControlNet is a registered trademark of ControlNet International Ltd EOTec 2C20 User Manual Introduction EOTec 2000 ControlNet Stack Options Redundant Power Supplies Relay 4 20mA Relay Alarm Diagnostic Alam Output Figure 1 1 In a redundant topology no matter where in the network that communication is cut all devices connected to a node in the network can still communicate with each other In figure 1 2 the active path Channel A between two stacks is broken but the backup path Channel B has the information to maintain the integrity of your network Dual Channel Communication Figure 1 2 EOTec 2C20 User Manual Introduction Feature Overview EOTec 2000 ControlNet Stacks can support both Multi Mode and Single Mode with optical modules Optical modules support either 850nm or 1300nm wave lengths EOTec Optical models support maximum fiber optic cable lengths from 3km to 20km Fiber Optic Module 2E07 2E10 2E09 2E19 2E36 2E46 2D07 2D10 2D09 2D19 2D36 2D46 Fiber Operating Wavelength 850nm _ 1300nm 1300nm 1300nm A1300nm Fiber Diameter 62 5 125um 62 5 125um 62 5 125um 62 5 125um 9 125um 9 125um Fiber Type Typical Wavelength Attenuation 3 5dB km 3 5dB km
17. 7 12 427 The 2E46 is capable of much longer distances but is constrained by the ControlNet maximum network limit Table 2 4 Estimated Cable Lengths The maximum length of a fiber cable section for any Weed fiber optic module is dependent on the quality of the fiber number of splices and the number of connectors The total attenuation for a cable section must be less than the stated optical power budget of the optical module selected Estimated fiber optic cable distance is based on typical cable attenuation and assumes optimum cable quality See sections Understanding Fiber Limitations and Understanding fiber Attenuation for more information on this subject Maximizing System Cables Whenever possible avoid splicing your cable Connectors can cause considerable attenuation and limit the maximum length of your system Be certain to measure the attenuation of each different cable sections after the cable is installed 12 EOTec 2C20 User Manual EOTec ControlNet Hardware Layout of ControlNet Modules The ControlNet modules have LED indicators for power and device communications Below in figure 2 3 are the layouts for all optical and electrical modules Top View Top View ao la t 8 11 4 UL 4 mm ll 12 gt 12 1 a 5 Front View Front View Rear View Receive Optical Port ST Transmit Optical Port ST Receive Communicati
18. 7ns 3 5445 D6 250m coax x 4 17ns 1 0425 D4 1 1 2C20 x 800ns 1 2E07 x 100ns 9000 Table 4 6 Table 4 7 Delay Description D7 2640m fiber x 5 01ns 13 2264 D8 1 2D07 x 100ns 1 2C20 x 800ns 9000 D9 20m coax x 4 17ns 0834 Total Channel A Propagation Delay 14 2098 Table 4 8 The worst case propagation delay of 21 5053ps shown in tables 4 9a and 4 9b below is acceptable because it is well within the maximum allowable network delay time of 121s Also notice that electrical repeaters have been used to connect Link table 4 6 to Link in this system as the total segment lengths between nodes 1 2 and 3 is beyond the limitations of coax cable The Star hub has been installed to add a fiber segment to attach to Node 4 a couple kilometers away Description Total us D1 300m coax x 4 17ns 1 2510 D2 2 2C20s x 800ns 1 6000 D3 850m coax x 4 17ns 3 5445 D4 1 1 2C20 x 800ns 1 2E07 x 100ns 9000 D7 2640m fiber x 5 01ns 13 2264 D8 1 2D07 x 100ns 1 2C20 x 800ns 9000 D9 20m coax x 4 17ns 0834 Table 4 9a 31 EOTec 2C20 User Manual Planning and Installation Example 2 Maximum Delay Dual Channel This example begins where the previous example left off with the same single communication channel used in Example 1 However now we will use a redundant communication path channel B to insure greater r
19. 9 Fiber Compatibility 62 5 125um Multimode Optical Dynamic Range utilizing fiber size 62 5 125um 17dB Optical Wavelength 1300nm LED 2E36 Fiber Compatibility 5 to 10um Optical Core Single Mode Optical Dynamic Range utilizing fiber size 9 125um 10dB Optical Wavelength 1300nm LED 2E46 Fiber Compatibility 5 to 10um Optical Core Single Mode Optical Dynamic Range utilizing fiber size 9 125um 16dB Table 2 2b EOTec 2C20 User Manual EOTec ControlNet Hardware EOTec Optical Diagnostic Modules The 2C20 electrical interface module can also be teamed together with optical diagnostic modules Diagnostic modules have the same optical characteristics of their E series counterparts but also have an internally powered 4 to 20mA diagnostic output which provides an indication of the received optical power level light intensity from the fiber The output is calibrated such that the receive sensitivity threshold the minimum optical power level needed for operation corresponds to the 4mA point The 20mA point corresponds to the guaranteed minimum optical power output on the high H jumper setting available directly at the Transmit optical port of any Optical Diagnostic Module Adjustments to the factory settings are NOT recommended Connections to the diagnostic output are made via the pluggable screw terminal block at the bottom front of the module and are as shown in figure 2 2 below Shield Protective
20. Earth Ground 4 20mA loop return 4 20mA loop positive Figure 2 2 The fiber link should operate properly until the diagnostic output reaches the 4mA point Below the 4mA point the light loss on the fiber is so severe that the module will no longer function A reading of 20mA or greater indicates that the fiber losses are very low By comparing the analog reading of the diagnostic output to the Output Graphs shown in tables 2 3a and 2 3b the amount of optical loss budget remaining before failure occurs can be determined NOTE The diagnostic output will only indicate the optical signal strength if there is optical data being transmitted over the fiber If data transmissions over the fiber cease as with no network input to the module a disconnected or broken fiber the diagnostic output will drop to 4mA or below EOTec 2C20 User Manual EOTec ControlNet Hardware Model Specifications Output Graph Optical Dynamic Range Optical Power Loss Budget 12dB minimum BEES ptica odule 2D07 Typical loss at 850nm for Analog Output Reading vs Loss Budget 62 5 125um Multi mode Fiber 3 5dB km wi 1 07dB 1000ft T 14 0 Typical Loss at a Fiber Fiber z 10 Junction Fiber Patch Panel 1dB 3 on D 6 0 Graph Indicates the optical loss budget available a a based on the output current indicated ame G
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22. N On solid green whenever the 7 5Vdc BUS operating power is available to the other modules in the stack 14 EOTec 2C20 User Manual EOTec ControlNet Hardware Electrical and Fiber Connections Weed ControlNet Stacks provide coax and fiber connections to devices on the factory floor through star daisy chain or point to point topologies Electrical and Fiber Connection Guidelines The EOTec ControlNet Stacks connect directly to your ControlNet device via the ControlNet trunk line RG 6 coax cable Devices can then be added along this Physical Media Layer For short distances up to 1000 meters there may be no need for a ControlNet Stack but as more nodes are added to the trunk line an EOTec electrical repeater may be the answer to extend the overall distance or connecting various segments along your trunk line For more information on coax limitations see Understanding Coax Limitations Where noise immunity is a concern or distances greater than 1000 meters are required fiber optic cable can be used to communicate between stacks to achieve your unique needs For longer distance or environments where noise emissions are a concern an optical repeater can offer various options Consult the optical specifications in tables 2 2a 2 2b for more information on selecting the correct module for your application Electrical Interface Modules Optical Interface Modules Bi Directional ee Each fiber optic module is comprised of a pair
23. Weed Instrument Fiber Optics EOTec 2000 ControlNet User Manual Communication Modules for ControlNet Physical Media Layer January 2007 First Edition Weed Instrument Company Inc ControlNet ZAN 707 Jeffrey Way P O Box 300 Round Rock TX 78680 0300 a P RED USA The Association for Users of ControlNet Tel 512 434 2850 gol May Fax 512 434 2851 ZS E mail fiberservice weedinstrument com N PASS Web www weedinstrument com ay aa Weed Instrument Co Inc reserves the right to make any modifications to this document or the information contained herein at any time without notice Limited Warranty Weed Instrument Co Inc Seller warrants that the Products will operate substantially in conformance with Seller s published specifications when subjected to normal proper and intended usage by properly trained personnel for a period of two 2 years from the date of shipment to Buyer the Warranty Period Seller agrees during the Warranty Period provided it is promptly notified in writing upon the discovery of any defect and further provided that all cost of returning the defective Products to Seller are pre paid by Buyer to repair or replace at Seller s option defective Products so as to cause the same to operate in substantial conformance with said specifications Replacement parts may be new or refurbished at the election of Seller All replaced parts shall become the property of Seller Shipm
24. be used to connect several ControlNet nodes into one network but in this configuration there is a centrally located hub Star hub that connects all other nodes in the network A star configuration can be used alone or it can be used in combination with other configurations including additional stars see figure 3 9 A ControlNet Stack configured as a repeater will have two communication points but a star stack can have 3 to 5 points of communication Refer to table 3 3 for more information on the ControlNet Stacks in the configuration below Point to Point Point to Point Figure 3 9 ControlNet Stack Stack Description Communication Points CS 1 Star Hub Center of network 5 CS 2 Electrical Repeater 2 CS 3 Electrical Repeater 2 CS 4 Optical to Optical Star Repeater 4 CS 5 Optical to Electrical Repeater 2 CS 6 Optical to Electrical Star Repeater 3 CS 7 Electrical Star Repeater 3 CS 8 Electrical Repeater 2 Table 3 3 gt D Directional Electrical Segment of ControlNet Trunk Line geg BiDirectional Optical Extention of ControlNet Trunk Line 21 EOTec 2C20 User Manual Network Configurations Network Configuration Tips The following applications tips are provided to help plan and install ControlNet networks e Plan the network wiring to minimize the number of connections and the length of the network cables Simple and short is always better When planning your netw
25. ccordance with local and national electrical codes Lightning Danger Do not work on equipment during periods of lightning activity Table of Contents Chapter 1 Chapter 2 Chapter 3 idee GUC HON EE 1 Introducing the EOTec 2000 Modular ControlNet Stack A 1 EOTec 2000 ControlNet Stack Options ss nssensseessinerenseeerrnnnnnssrernrnrrensnene 2 Dual Channel Communication 2 Feature OVEMVIEW leg aa saaa eege kaw a m a pa pa eet sve eevee 3 Optional ACcessortes rtnn ttnn ttnn nt annA EAn EnEEAnnEAnEEEEEEEEE EEEE E EnEn E EEEE EEa 3 EOTec ControlNet Hardwatr e ccccccccsseeeeeeeeeeeeeeeeenees 4 Designed for Industrial Applications ccccceccececceecceeeceeeeeeeeeeeeeeeeeeeeeeteeees 4 EOTec Power and Alarm Connechons cess cess sense eeeeeeeeeeeeeeees 5 EOTec Fiber Optic Modules ccccceeeeeeee cece cece eeeeseeeeeeeeeeeeeeeeeeeeeneeeneeeees 7 EOTec Optical Diagnostic Modules c cc ceeeecceeeedeetecceceeeeneeseeeeceeneeeeeenes 9 Fiber Ee e Ee E 12 Layout of GontrolNet Modules wes s katye best asa ai kak easy dE b p p diktat d 13 ControlNet Stack LED Indieators eert terttnn ttnn ttnnrtnr tenn ternnenn eenn 14 EOTec 2C20 Electrical Interface Module ccccceeeeeeeeceeceeeeeeeeeeseenees 14 EOTec Optical Interface Modules nsennsennnnneeeeeeeenrtenseerttnrrensnnnsernnrnneees 14 EOTec Power Supply Modules sssnnnnnseessensrinnseeettnnrnnsrestrnnrrnnnn
26. ch additional tap decreases the maximum length of the segment by 16 3m The maximum number of taps allowed on a segment is 48 with a maximum segment length of 250m as shown in figure 4 1 Maximum Allowable Segment Length Example If your segment requires 16 taps 1000 the length for each segment is 750 1000m 16 3m x 16 2 1000m 16 3m x 14 3 zm 1000m 228 2m 771 8m 8 250 2 16 32 48 Number of Taps Figure 4 1 Understanding When to Use Repeaters You need to install repeaters if your system requires more than 48 taps per segment or a longer trunk cable than the specification allows see Understand Coax Limitations ControlNet allows for a maximum of 99 addressable nodes Repeaters do not require an address so they do not count against the total of 99 As many as 48 tap connections are allowed on a maximum segment length of 250m all coax cable must total to less than 250m An electrical repeater can be used locally distances up to 1000m or for longer distances an optical repeater can be installed 25 EOTec 2C20 User Manual Planning and Installation Understanding the Benefits of Fiber Fiber has benefits over electrical coax cable Table 4 2 lists many of these benefits Feature Benefit No Ground Potential Fiber carries no electrical current so it is completely isolated from any potential electrical sources that cause disruptions on copper media and provides immunity to lightning strikes No EMI
27. e and fiber Glass Fiber Cable used to connect the furthest two nodes in your system This will be expressed in meters and round up to the nearest 100m See Understanding Propagation Delay for further information on which media segments to include Next you must enter the types of devices used to communicate on the ControlNet Physical Media Layer You will notice that no Weed modules will be listed so the next best option will be to use equipment listed that has similar delay times You can select the appropriate device from table 4 11 below that matches the appropriate Weed device in table 4 12 Enter the number of devices used to connect the furthest two nodes in your system See Understanding Propagation Delay for further information on which EOTec modules to include Rockwell Automation Device Delay Time Device Delay Time 1786 RPA 901ns 2C20 800ns 1786 RPFRL 100ns 2Exx 2Dxx 100ns Table 4 11 Table 4 12 RSNetworx is a registered trademark of Rockwell Automation 33 EOTec 2C20 User Manual Planning and Installation Installing a Network Weed Instrument sells the necessary equipment to install a communication connection on the physical media layer but we do not offer installation services Many customers retain qualified professionals to plan install and maintain their ControlNet systems If your company does not retain such a staff we recommend you contract an installation specialist The specialist yo
28. eceeeeceeeeeeeeeeeeeeeeeeeeeeeeenaeeeeeenaees 27 Understanding Propagation Delai 29 Verifying Network Parameters A 33 IAstalling a E EE 34 Coax Application Tips ed Ee ane ee ees 34 Fiber Application Tip scsi eles Eegen eee 35 Redundant Network Te 35 TFOUDIESAOOUN One ion eeh 36 Diagnosing We WAS re vye aaa banane eta net dunes ateste edi 36 Interrupting LED NAICATONS 20 akasan kai acts eed apa ken kek pe yo ae BRA pas Ri meas 37 Default dl e EE 39 Technical Specifications rrrrrreeeerrresaassatannasssnnnnnnnnann 40 Rn TEE 43 EOTec ControlNet Product Series 0 000 ueerrrrrrerranannannnn 44 Service Information cccceeceeceeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeees 45 Technical Support and Gervice ent 45 EOTec 2C20 User Manual Introduction 1 Introduction This manual describes the uses for the EOTec 2C20 a ControlNet communications module specially designed for connecting ControlNet devices on the Physical Media Layer in industrial field applications ControlNet is swiftly being adopted by the industrial automation and control industry Industrial applications often demand rugged robust equipment that can provide high reliability in settings far removed from a comfortable climate controlled office environment Devices attached to a network normally cannot tell what is happening elsewhere on the system As a result the responsibility for monitoring the network must fall on the ControlNet communicat
29. eep the dust cap on any unconnected drop cable 34 EOTec 2C20 User Manual Planning and Installation Fiber Application Tips The following applications tips are provided to help understand fiber optic networks e Avoid lengthening your cable by joining sections with connectors Connectors can cause considerable attenuation and limit the maximum length of your system Be sure to measure the attenuation of different cable sections after the cable is installed e It is recommended that all fiber segments be specified installed verified and certified by a fiber optic specialist e Use high quality connectors and fiber cable to stretch your power budget Higher quality connectors and cable can withstand a broader range of temperatures and distances Redundant Network Tips With redundant media nodes send signals on two separate segments You can run a second trunk cable between your ControlNet nodes for redundant media The receiving node compares the quality of the two signals and accepts the better signal to permit use of the best signal This also provides a backup cable should one cable fail Observe these guidelines when planning a redundant media system e Route the two trunk cables trunk cable A and trunk cable B differently to reduce the chance of both cables being damaged at the same time e Each node on a redundant cable link must support redundant Coax connections and be connected to both trunk cables at all times Any nod
30. eliability for this ControlNet system The cables for channel B must be routed in a different pathway from Channel A to insure this reliability It is difficult to route two separate paths of equal length so it is important that the skew in the propagation delay of Channel A to channel B is no more than the ControlNet specified difference of 1 6us between these two channels Figure 4 3 Delay Description Total s Delay Description Total us D1 a 300m coax x 4 17ns 1 2510 D1 b 320m coax x 4 17ns 1 3344 D2 a 2 2C20s x 800ns 1 6000 D2 b 2 2C20s x 800ns 1 6000 D3 a 850m coax x 4 17ns 3 5445 D3 b 860m coax x 4 17ns 3 5862 D4 1a 1 2C20 x 800ns 1 2E07 x 900ns 9000 D4 1b 1 2C20 x 800ns 1 2E07 x 900ns 9000 D7 a 2640m fiber x 5 01ns 13 2264 D7 b 2680m fiber x 5 01ns 13 4268 D8 a 1 2D07 x 100ns 1 2C20 x 800ns 9000 D8 b 1 2D07 x 100ns 1 2C20 x 800ns 9000 D9 a 20m coax x 4 17ns 0834 D9 b 22m coax x 4 17ns 0917 Table 4 9b Table 4 10 A to B channel skew 21 8391us ChB 21 5053ps ChA 333 8ns This example shows a valid redundant network as the calculated skew between channel A and B is only 333 8ns well below the maximum network skew of 1 6us Also note that channel B is now the longest distance between the furthest two nodes in this system and that 21 8391ps
31. ent to Buyer of repaired or replacement Products shall be made in accordance with the provisions of Section 5 of the Sellers Terms amp Conditions of Sale Lamps fuses bulbs and other expendable items are expressly excluded form the warranty Seller s sole liability with respect to equipment materials parts or software furnished to Seller by third party suppliers shall be limited to the assignment by Seller to Buyer or any such third party supplier s warranty to the extent the same is assignable In no event shall Seller have any obligation to make repairs replacements or corrections required in whole or in part as the result of i normal wear and tear ii accident disaster or event of force majeure iii misuse fault or negligence of or by Buyer iv use of the Products in a manner of which they were not designed v causes external to the Products such as but not limited to power failure or electrical power surges vi improper storage of the Products or vii use of the Products in combination with equipment or software not supplied by Seller If Seller determines that Products for which Buyer has requested warranty services are not covered by the warranty hereunder Buyer shall pay or reimburse Seller for all costs of investigating and responding to such request at Seller s then prevailing time and materials rates If Seller provides repair services or replacement parts that are not covered by the warranty Buyer shall pay Seller th
32. ents Do not include the two connectors on the ends of each fiber cable 2 Determine insertion loss Add up the loss from connectors splices bulkhead etc 3 Determine cable loss Add up the loss from all cable lengths Select fiber cable and identify typical power loss Loss loss of light over 1 kilometer dB km Total loss of light cannot be greater than the power budget of the selected optical module Table 4 4 4 Compare and select 27 EOTec 2C20 User Manual Planning and Installation If the total power loss sum of Steps 2 8 3 is less than the power budget of the selected optical module Step 1 then you are within the power budget If however the power loss sum of Steps 2 8 3 is less than the power budget then you will need to reconfigure the topology shorten cable lengths or select a different optical module Example This example is for a multi mode fiber connection going through a bulkhead and one spliced fiber optic cable to a mating fiber connection 3 kilometers away e Optical module power budget from Table 4 3 o 2E07 12dB 850nm 62 5 125yum o 2E10 17dB 850nm 62 5 1254m o 2E09 12dB 1300nm 62 5 125um e Fiber cable having an attenuation of 3 5dB km 850 nm 1 5dB km 1300nm e For insertion loss subtract a minimum attenuation of 1dB for each added connector splice patch panel bulkhead etc not to include the terminating connectors on each end of fiber Inser
33. erational in the minimum amount of time Weed Instrument also helps you install options and upgrades to ensure that your product is successfully enhanced with more performance and new capabilities Troubleshooting Should you have a question regarding the operation of your instrument or its perceived malfunction the technical support experts will help you determine the issue and offer you the best possible solution Before contacting us please go to our website at www weedinstrument com contact us tech support troubleshooting html and determine if any of the troubleshooting tips solve your problem Service and Repair If you need service or repair please go to our website at www weedinstrument com contact us tech support service html 1 Click the link for the RETURN MATERIAL AUTHORIZATION FORM This must be filled out completely in order to obtain a Return Material Authorization Number RMA from Weed Instrument 2 The RMA must be marked on the outside of the box prior to shipping the unit to us for repair or calibration 3 You are responsible for fully decontaminating your unit prior to shipment If we receive a contaminated product we reserve the right to have it removed and destroyed by a HAZ MAT team at the owner s expense 4 Once the form is complete please send to Weed Instrument by clicking on the Submit button You will be given an RMA number within 24 hours If you need the RMA immediately please call after sending i
34. erefore at Sellers then prevailing time and materials rates ANY INSTALLATION MAINTENANCE REPAIR SERVICE RELOCATION OR ALTERATION TO OR OF OR OTHER TAMPERING WITH THE PRODUCTS PERFORMED BY ANY PERSON OR ENTITY OTHER THAN SELLER WITHOUT SELLER S PRIOR WRITTEN APPROVAL OR ANY USE OF REPLACEMENT PARTS NOT SUPPLIED OR APPROVED BY SELLER SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS EXCEPT AS EXPRESSLY PROVIDED IN THIS WARRANTY SELLER DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED ORAL OR WRITTEN WITH RESPECT TO THE PRODUCTS INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE SELLER DOES NOT WARRANT THAT THE PRODUCTS ARE ERROR FREE OR WILL ACCOMPLISH ANY PARTICULAR RESULT Copyright Copyright 2007 Weed Instrument Company Inc All rights reserved Reproduction without permission is prohibited Standards and Safety The EOTec 2000 ControlNet Modules from Weed Instrument have been designed to meet the following standards The EOTec 2C20 2000 Series DC power supplies and 2000 Series optical modules are all UL cUL listed and FM approved for use in lt fu gt Class l Division 2 Groups A B C D T4 40 C To 85 C CEV Mi And meets the requirements for CE marking per EN61326 1 TAL The EOTec 2000 Series AC power supplies are UL cUL Recognized C US components 40 C To 85 C Install EOTec ControlNet Modules in a
35. es connected to only one side of a redundant cable link will result in media errors on the unconnected trunk cable e Install the cable systems so that the trunk cables at any physical device location can be easily identified and labeled with the appropriate icon or letter Each redundant ControlNet device is labeled so you can connect it to the corresponding trunk cable e Both trunk cables trunk cable A and trunk cable B of a redundant cable link must have identical configurations Each segment must contain the same number of taps nodes and repeaters Connect nodes and repeaters in the same relative sequence on both trunk cables e Install cable on each side of a redundant system so that each cable is about the same length The total difference in length between the two trunk cables of a redundant cable link goes down as the number of repeaters increases e The total delay time between the two truck cables can not be skewed by more than 1 6us 35 EOTec 2C20 User Manual Troubleshootin 3 Troubleshooting Weed provides several solutions to help you diagnose trouble that may occur on the ControlNet Physical Media Layer Understanding the information in this section will help to find the root cause of the problem and resolve it quickly Diagnosing Failure Each EOTec 2000 ControlNet modules have LED indicators to help you diagnose a communication failure when trouble occurs Understanding the indicators will help you identify the
36. hain structure Linear o Star structure o Tree structure gt Industrial Design for High Reliability o Modular flexible scaleable o Operating temperature range 40 to 85C o FM approved for Class l Div 2 Groups A B C amp D T4 o Standard 35mm DIN rail mounting gt Optional accessories available o Optical power level diagnostic port ooo O To meet unique customer needs Weed offers the following in tables 2 2a 2 2b For more inclusive specifications see Technical Specifications Compatibility with other manufacturer s ControlNet optical links is neither expressed nor implied Also consult sections Understanding EOTec Fiber Modules and Understanding Fiber Attenuation to help select the module that is correct for your application Model Specifications Optical Wavelength 850nm LED Fiber Compatibility 62 5 125um Multimode 2E07 200 230um Multimode Optical Dynamic Range utilizing fiber size 62 5 125um 12dB 200 230um 21aB Table 2 2a EOTec 2C20 User Manual EOTec ControlNet Hardware Model Specifications Optical Wavelength 1300nm LED 2E09 Fiber Compatibility 62 5 125um Multimode Optical Dynamic Range utilizing fiber size 62 5 125um 12dB Optical Wavelength 850nm LED 2E10 Fiber Compatibility 62 5 125pum Multimode 200 230um Multimode Optical Dynamic Range utilizing fiber size 62 5 125um 17dB 200 230um 23dB Optical Wavelength 1300nm LED 2E1
37. ion equipment that connects these devices Real time alarms are a vital feature to inform system administrators and operators when a problem exists on the network Introducing the EOTec 2000 Modular ControlNet Stack The EOTec 2000 Modular ControlNet Stack is designed to give reliable operation in harsh industrial environments As shown in figure 1 1 Weed Instrument provides a modular solution called a ControlNet Stack for addressing various communications topologies Create the ControlNet Stack that meets your needs for single point to point connections cascade or extend this into a daisy chain or branch out into a star configuration Or you can combine all three topologies in one network The 2C20 module can be used alone for electrical communications on a ControlNet trunk line or optical modules can be added for greater distances between your ControlNet devices Fiber optic technology provides many advantages for industrial control applications These include EMI RFI immunity the ability to run fiber optic cable through hazardous areas and the ability to connect long distance communication links Each EOTec ControlNet Stack comes with LED indicators for local determination of communication failures In addition Weed offers options such as redundant power supplies or power supplies with alarm relay contacts that can be wired to provide failure information at a remote location Also all fiber optic models have optional diagnostics ports
38. is now the maximum delay time 32 EOTec 2C20 User Manual Planning and Installation Verifying Network Parameters You can use RSNetworx for ControlNet to determine whether or not your system meets the network parameter requirements Based on your system planned requirements NUT SMAX UMAX types and length of cable number and types of repeaters and worst case network delay RSNetworx will validate the network configuration parameters Once the parameters are validated the software will tell you if your configured network is acceptable If your network is not valid you must adjust your planned requirements It is important to understand the application needs of the equipment within your network before adjusting network parameters as these adjustments can keep devices from communicating within an appropriate time frame SMAX maximum scheduled address and UMAX maximum unscheduled address will be used by RSNetworx to determine the maximum addressable nodes that can communicate on the network The NUT Network Update Time determines the interval time for each node to communicate Upon entering RSNetworx from the toolbar menu select Networks and then Properties Enter your network parameters based on the application needs of your ControlNet system Next select Media Configuration the information entered here will be used to determine the maximum network propagation delay in your network Enter the total amount of coax RG 6 Coax Cabl
39. k Next a power module must be selected This can either be an AC or DC powered module depending on your specific needs These modules receive various electrical inputs and convert to a low power DC voltage for use on the ControlNet Stack s interconnection BUS For mission critical applications a redundant power supply can be added and optional relay modules are also available where alarm applications are required For selecting the correct power source for your application consult EOTec Power and Alarm Connections Now it is time to determine communication type For electrical communication a second 2C20 can be configured into a stack as an electrical repeater This will extend the electrical trunk line up to an additional 1000 meters For additional segments additional repeaters must be deployed see Understand Coax Limitations for proper planning and installation This works well locally over short distances where noise immunity is not a concern However for those users challenged by long distance communications or environments with high electrical noise an optical repeater is the device of choice Weed offers a variety of choices to meet your distance and wavelength requirements For areas where glass fiber degradation is a concern or measuring light intensity a requirement a diagnostic Series 2Dxx module can be selected This module performs the same functions and has the same optical specifications as the Series 2Exx module
40. ment length Determine whether you will need additional repeaters and coax segments Understanding EOTec ControlNet Terminology It is important when planning and installing a ControlNet network to understand the proper terminology used Below in tables 4 1a 4 1b is a list of commonly used terms Term BNC Connector Description Type of connectors used for coax electrical connections Used on all EOTec 2C20 modules ControlNet Stack A communication device constructed of EOTec 2000 series modules This consists of at least 1 power supply module and 2 communications modules 2 electrical or 1 electrical and 1 optical Coax Segment Trunk cable sections connecting nodes via taps with a terminator at each end and includes no repeaters Electrical Interface Module EIM An Electrical Interface Module is used to connect coax network segments together 2C20 Electrical Repeater An active physical layer component that reconstructs and retransmits all traffic bi directionally from one coax segment to another coax segment Requires a minimum of two 2C20s Fiber Segment A length of fiber optic cable connecting two optical modules or two coax segments Table 4 1a 23 Term Interconnection BUS EOTec 2C20 User Manual Planning and Installation Description The backplane bus that connects all EOTec 2000 series modules into a ControlNet Stack Link A link is another word for segme
41. n Fiber Patch Panel 0 5dB 10 0 D Graph Indicates the optical loss budget available 8 5 0 based on the output current indicated W Example An 8mA output indicates that 10 5dB of oe ME i ee additional optical power loss will be required EES before the optical signal will no longer be received Table 2 3b 11 EOTec 2C20 User Manual EOTec ControlNet Hardware Fiber Optic Cable Lengths The quality of the fiber cable determines the maximum distance you can achieve Consult your local distributor for attenuation specifications prior to purchasing your fiber media components EOTec 2000 ControlNet optical modules are designed for use with either multi mode or single mode optic fiber The wavelength used for each module is either 850nm or 1300nm Table 2 4 below provides estimated maximum distances for selecting the proper fiber optic cable lengths for each Weed module based on module wavelengths and typical fiber diameters D19 D46 Fiber Operating Wavelength 1300nm 1300nm 1300nm 1300nm Fiber Diameter 62 5 125um 62 5 125um 62 5 125um 62 5 125um 9 125pm 9 125pm Fiber Type Multimode Multimode Multimode Multimode Single Mode Single Mode Typical Wavelength Attenuation 3 5dB km 3 5dB km 1 5dB km 1 5dB km 0 5dB km 0 5dB km Optical Power Budget 12dB 17dB 12dB 17aB 10dB 16dB Estimated Max Distance km 3 429 4 857 8 000 12 000 20 000 20 000 Estimated Max Distance mi 2 130 3 017 4 970 7 456 12 42
42. n the event of a network segment failure When a communication segment break occurs messages are automatically captured from the alternative communication path e Using redundant power supplies will insure that critical communication links stay operational e Power supply relays provide monitoring from a central location to easily warn users immediately of any power failures e Employing optical diagnostic ports to monitor optical power levels light intensity will warn users remotely of any broken or degrading glass fiber connections 22 EOTec 2C20 User Manual Planning and Installation 4 Planning and Installation This section discusses the limitations of ControlNet and explains how to plan and install your network and provide advice and application tips to avoid common pitfalls Planning a Network The ControlNet Stack system gives you the flexibility to design a communication network for your particular application To take full advantage of this flexibility you should spend sufficient time planning how to install your network before assembling any of the hardware Create a project plan and checklists to help you determine the components needed for your application Determine how many nodes taps will be in the coax segment Determine the length of the fiber segments Decide the type of fiber cable and connections to use Determine how many fiber connectors you will need Calculate the maximum allowable seg
43. neennnnn nnee nt 14 Electrical and Fiber Connecthons 15 Electrical and Fiber Connection Guidelines cccccccceeceeceeeeeeeeeeseneees 15 Network Configuration ccccccccceeseeeeeeeeeeeeeeeseeeeneeeeesees 16 Network Setup and Operation cccccccceccceccceeceeeeeeeeeeeeeeeeeeeeeeeeeeereeeeeeeteess 16 Device Jumpers 17 Stack ele 18 Stack Terminations sevi E tea e fonde ve E e kon va ee Ee der des 18 Stack em as YOU Like cece ceeeceeeeneeeeaaeeaaeeeaeeeaeaeaeeaaeeeaneaaanees 18 Supported Network Confguratons nenn 18 Point to Point Communication 19 Daisy Chain Communication 20 Star COMMUNICATION yape tease Sin eta peti an pat ea volkan san e pap van fado Ra a Yes ia teen ete 21 Network Configuration TipS sxc See Eed e AE ke ia it 22 Chapter 4 Chapter 5 Chapter 6 Appendix A Appendix B Appendix C Planning and Installatton SEENEN EEN ERRREEE EEN 23 PIanifiinig a NON Ran ket kenie ton sas ni naa eaaa awa ko prela ene ak piy be to b kk ANDAN ciate late pl 23 Understanding EOTec ControlNet Terminologie 23 Understanding Coax Limitations Lvuulleeeevrrrreeoroorresessorteseooortesasoontesosoon 25 Understanding When to Use Repeaters niseseeesseeresesrisseerrssrrrrssrerrrssreens 25 Understanding the Benefits Of Fiber ee eeeeeeeeeneeeeeeeeeeeeeeeaeeeeeenaees 26 Understanding Fiber Limitations A 26 Understanding EOTec Fiber Modules A 26 Understanding Fiber Attenuation cc cce
44. nt Module A modular package that is connected together via the Interconnection BUS to construct a ControlNet Stack Network A network is the collection of nodes connected together by segments coax or fiber Node Any physical device connecting to the ControlNet media system which requires a network address in order to function on the network A network may contain a maximum of 99 nodes This node address must be in the range of 1 99 and be unique to that network Optical Converter A ControlNet Stack that combines both an electrical and optical module Converts electrical signals to light pulses to be transmitted over great distances or through hazardous areas Optical Interface Module OIM A fiber Optic Interface Module is used to anchor both ends of a fiber segment Used to join coax segments 2Exx 2Dxx Optical Repeater An active physical layer component that retransmits bi directionally from one segment to another Power Supply Module A module used to power EOTec 2000 ControlNet Stacks 2Axx Power Supply Relay Optional relay output used to provide a loss of power signal to a remote location Redundant An optional second power supply module used to ensure insure Power Supply EOTec stacks are always powered Repeater Used to increase the number of nodes extend the total length of your network or create a star configuration A repeater can extend either an electrical or optical segme
45. nt When you insert a repeater into your cable system you create a new segment Segment A segment consists of either coax or fiber cable ST Connector Type of connectors used for optical connections Used on all EOTec 2Dxx and 2Exx series optical modules ST is a registered trademark of AT amp T Tap The coax connection between any device and the ControlNet media system Contains an electrical circuit and must be used to connect all ControlNet devices to the coax trunk line Terminator coax A 75Q terminator must be installed on the 2 taps at each end of every coax segment Terminator Block To insure high quality signals across on the ControlNet Stack s ControlNet Stack interconnection BUS its recommended to add a terminator block at the end of each stack Trunk Cable The trunk cable is the bus or central part of the ControlNet Coax media system The trunk cable can be composed of multiple sections of cable The standard cable used to construct trunk cable sections is quad shield RG 6 type Coax Table 4 1b 24 EOTec 2C20 User Manual Planning and Installation Understanding Coax Limitations The total allowable length of a segment containing standard RG 6 quad shield cable depends upon the number of taps in your segment There is no minimum trunk cable Section length requirement The maximum allowable total length of a segment is 1 000 meters with two taps connected Ea
46. on LED Transmit Communication LED Bi Directional Electrical Port BNC Power LED Electrical Communication LED Backplane Connector Optical Diagnostic Connector D Series Only 10 DIN Rail Spring Clip 11 11 Ventilation Louvers 12 Cover Release Tab 13 Chassis Ground Tab 8 14 EOTec 2000 Series Model Number GPA UN A wt Figure 2 3 13 EOTec 2C20 User Manual EOTec ControlNet Hardware ControlNet Stack LED Indicators This section describes the functionality of the LEDs on each module within a ControlNet Stack Each stack will have a power supply and at least one electrical interface module 2C20 A stack can contain additional Electrical Interface Modules EIMs or Optical Interface Modules OIMs can be added to provide noise immune communications over greater distances EOTec 2C20 Electrical Interface Module LED Function Description PWR Power Power ON On solid green when power is applied LED will turn off if the power supply fails COM Communication Communication Status Blinking or solid green indicates active communication with a ControlNet device EOTec Optical Interface Modules LED Function Description RX Receive Receive Optical Activity Indicator Solid amber or blinking with activity TX Transmit Transmit Optical Activity Indicator Solid green or blinking with activity EOTec Power Supply Modules LED Function Description PWR Power Power O
47. ontacts are available at the bottom front of the module The pluggable screw terminal block connections are as follows Earth Gnd Retum 24Vde 4 2A06 2A08 Nic Power paye 2A18 1 AC Line N C or DC EOTec 2000 2 N C 24Vdc we 3 N C Return 4 AC Neutral Earth Gnd or DC Relay Connections 1 No connection EOTec 2000 Normally Closed CH 2 no power s A Common 2A16 4 Normally Open no power INTERNAL INTERNAL RELAY Figure 2 1 EOTec 2C20 User Manual EOTec ControlNet Hardware EOTec Fiber Optic Modules The 2C20 electrical interface module can be teamed with optical modules This allows communications over much greater distances and prevents the introduction of noise along the transmission path Adding additional modules provides users a string of communication stations daisy chain or communication to an array of stations star from a centrally located hub Weed offers 6 various optical modules to meet your unique ControlNet needs but all are designed for reliable operation in harsh industrial environments gt Transparent Copper to Fiber Conversion o Up to 4 optical modules per stack Single Multi mode conversion possible Optional real time diagnostic output 4 20 mA 850nm and 1300nm wavelengths High Low power setting o Long lifetime Class 1 LED gt Support for Multiple Network Structures o Point to point Branch o Daisy c
48. or more examples of ControlNet Stacks refer to the EOTec 2000 ControlNet Stack Options Also review Point to Point Daisy chain and Star Communication sections Supported Network Configurations When connecting ControlNet coax segments together there are three topologies which are supported by EOTec 2000 ControlNet Stacks The Point to Point connection uses electrical optical repeaters that connect two ControlNet segments together or simply extends the communication length between two devices The cascade or Daisy Chain can be used to connect multiple ControlNet devices or multiple segments together and the Star configuration allows several devices or segments in multiple directions to be connected through a centrally located hub Star Stack These three configurations can be made entirely of RG 6 coax cable or a combination of both coax and optical fiber 18 EOTec 2C20 User Manual Network Configurations Point to Point Communication Point to Point communication is made between two ControlNet devices An electrical connection can be up to 1000m A ControlNet stack can be used as an electrical repeater as shown in figure 3 3 to connect two trunk line segments together or to simply connect a single node up to 1000m repeater An optical repeater as shown in figure 3 4 can be used to extend communications over greater distances Electrical Repeater Optical Repeater Up to Up to Up to Up to 1000m Up to 1000m Figure 3 3
49. ork using Weed Instrument ControlNet Stacks refer to the Planning a Network section of this manual e While ControlNet supports up to 99 nodes ControlNet has a limitation of 48 nodes per coax segment Coax can communicate up to 1000 meters but for each tap added 16 3 meters must be subtracted from this overall segment length See Understanding Coax Limitations for more details e Another limitation is the propagation delay for the entire network 121us this amounts to approximately 20 kilometers of optical fiber for the entire network Understanding this protocol limitation will help you to design your network wisely See Understanding Propagation Delay for more details e While your ControlNet nodes can be connected in one continuous string of repeaters the maximum ControlNet delay time for the entire network 121s may prevent the use of a long string of network repeaters daisy chain However the Star configuration may help to overcome this by strategically placing a centrally located hub and connecting directly from the center of your network to the various other locations e Ina Star configuration it is important to connect the lowest ControlNet address or moderator directly to the Star Hub in the center of your network shown as device CS 1 in figure 3 9 This allows module diagnostic LEDs to function best e A dual channel configuration increases network reliability by providing an alternative path for message flow i
50. power and the fuse are good replace PSM For PSM illustration refer to figure 5 1 above Electrical Interface Module EIM Function Indication Action Solid Green Power is good Power l l l l PWR Off Power is not being supplied to Interconnection BUS 1 Check PWR light on PSM 2 Insure all modules are connected correctly 3 Check power input on Interconnection BUS 4 If power is properly being supplied from the PSM replace EIM n Solid Green 02 communication is being input to EIM Communication The LED flashes on for every packet At the ControlNet COM data rate the light will appear to be on continuously Off No input communication from coax on BNC 1 Check BNC connector and check the other end of the coax to insure it is connected to another device 2 Insure this stack has one EIM set to Master 3 If power and connections are both good replace the EIM For EIM illustration refer to figure 5 2 above EOTec 2C20 User Manual Troubleshooting Optical Interface Module OIM Function Indication Action Module is receiving data Receive RX The LED flashes on for every packet At the ControlNet data rate the light will appear to be on continuously Off No Transmit device connected 1 Check the other end of this fiber to insure it is connected to a TX port 2 Check to insure that TX port is transmitting solid green TX light 3 Check
51. problem locally at the ControlNet Stack Also Weed provides other optional features to help diagnose failures from a remote location such as power supply relay contacts to alert you to any lost power and 4 to 20mA connections to measure optical power levels real time Figure 5 1 Figure 5 2 Figure 5 3 The modules above are the 3 basic modules used in a ControlNet Stack There is only one type of Electrical Interface Module EIM for ControlNet while there are four varieties of Power Supply Modules PSM and 6 varieties of Optical Interface Modules OIM However the LED indicators for each type of module remain constant across the assorted varieties Take care when connecting a ControlNet Stack that each module has a unique address and the protocol is set properly The LEDs on these modules indicate that data is moving through a port and not that it is being routed correctly Only the address and protocol jumpers insure data routes correctly through the ControlNet Stack The following troubleshooting suggestions have been provided to assist you should you have trouble with your EOTec 2000 ControlNet Modules 36 EOTec 2C20 User Manual Troubleshooting Interrupting LED Indicators Power Supply Module PSM Function Indication Action Solid Green Power is good Power PWR Off Power is not being supplied to Interconnection BUS 1 Check AC DC input at cage clamp connector 2 Check fuse Replace if blown 3 If both input
52. s Two 2 Address Three 3 Address Three 3 Address Four 4 Address Four 4 Table 3 1 Protocol Jumper Setting ControlNet E Power Level Jumper Setting High Intensity H Low Intensity L Table 3 2 Interconnect BUS Address Optical Power Level Interconnect BUS Address Protocol Figure 3 1 17 EOTec 2C20 User Manual Network Configurations Stack Address Each communications module on the Stack s interconnection BUS is required to have a unique address Each stack must have one Master and all other modules require separate addresses 1 through 4 As shown on the left of figure 3 2 each address has a bi directional communication path across the backplane in each stack Interconnection BUS Bus Terminator Figure 3 2 Stack Termination To insure high quality signals across the ControlNet Stack s interconnection BUS a terminator block will need to be added to the end of each stack As shown in figure 3 2 the terminator has a connector that will plug into the right most module as you face your ControlNet stack This eliminates any distortion that occurs on the data lines coming into the stack from both the electrical BNC and optical ST ports Stack em as You Like When the ControlNet modules are attached to create a ControlNet Stack the modules can be placed in any order Because each module in the stack has a unique bus address they can be placed in any order and still communicate properly over the bus F
53. s within each link see table 4 6 It is important to note that maximum delay time is based on the maximum number of repeaters in series and maximum length of the media used between the two nodes that are furthest apart in the system a op a n as san sa sann Bees 2522 SE i Ou e as e D aset Node 4 E l ZELE Figure 4 2 With Node 1 in a parallel segment Link to the segment where Nodes 2 and 3 reside Link worst case delay is calculated using only the longer of these two segments The path through the Link table 4 6 is longer than the path through the Link table 4 7 therefore delays D4 2 D5 and D6 are not needed in this calculation The worst case delay is only calculated by adding up the delays in Link table 4 6 and 4 Link table 4 8 these are the delays between the furthest two nodes in this system Nodes 1 and 4 See tables 4 9a and 4 9b for total propagation delay details ft While Nodes 1 through 4 are shown using a ControlLogix 1756 chassis they are interchangeable with any ControlNet controller using BNC connectors ControlLogix is a registered trademark of Rockwell Automation 30 EOTec 2C20 User Manual Planning and Installation Description Description Di 300m coax x 4 17ns 1 2510 D4 2 1 2D07 x 100ns 1 2C20 x 800ns 9000 D2 2 2C20s x 800ns 1 6000 D5 15m coax x 4 17ns 0626 D3 850m coax x 4 1
54. select a module and the corresponding cable type based on the distance you want the data to travel There are two types of fiber cable single and multi mode These two cable types differ in that single mode cable allows light to travel in a single path Multi mode cable allows light to travel in multiple paths Single mode cable is generally used in longer distance applications The maximum length of a fiber cable section for the fiber optic modules is dependent on the quality of the fiber number of splices and the number of connectors When estimating maximum cable length take into account attenuation that occurs along the entire fiber path Attenuation refers to the decay of the strength of the light signal along the cable path Consult your local distributor for attenuation specifications prior to purchasing your fiber media components Table 4 3 below provides specifications for selecting the proper Weed fiber optic module for your application 26 EOTec 2C20 User Manual Planning and Installation 09 IS Q 40 D46 Fiber Operating Wavelength 1300nm 1300nm 1300nm 1300nm Fiber Diameter 62 5 125um 62 5 125um 62 5 125um 62 5 125pm 9 125um 9 125um Fiber Type Multimode Multimode Multimode Multimode Single Mode Single Mode Typical Wavelength Attenuation 3 5dB km 3 5dB km 1 5dB km 1 5dB km 0 5dB km 0 5dB km Optical Power Budget 12dB 17dB 12dB 17dB 10dB 16dB Estimated Max Distance km 3 429 4 857 8 000
55. t and a Service Administrator will give you the number verbally 45 46 Part Number RM0900189 Revision 1 07
56. tion Loss dB The attenuation lost from connectors splices patch panel bulkhead etc Insertion Loss 1 bulkhead 1 splice x minimum connector attenuation 2 x 1dB 2dB Cable Loss dB The attenuation lost from the cable length required to connect the link Cable Loss 850nm 3 kilometers x 3 5dB typical attenuation for 62 5 125um 850nm 10 5dB 3 kilometers x 1 5dB typical attenuation for 62 5 125um 1300nm 4 5aB Cable Loss 1300nm Total Attenuation dB The total attenuation lost from both inserted devices and cable length Total attenuation cable loss insertion loss Total Loss 850nm 10 5dB 2 0dB 12 5dB 850nm required power budget 4 5dB 2 0dB 6 5dB 1300nm required power budget Total Loss 1300nm The total attenuation accumulated over this 3 kilometer segment is 12 5dB so the 2E07 model is under budget for this application and should not be used However this application is well within the budget of the 2E10 model so it is good choice to use in this application Also if 1300nm is preferred then the 2E09 is the choice to make 28 EOTec 2C20 User Manual Planning and Installation Understanding Propagation Delay The ControlNet Maximum Propagation Delay specification refers to the worst case signal delay between any two nodes on a network You will need to figure out the worst case scenario based on media distances and the number of EOTec modules which the data signals will pass through
57. u choose should install your cable and terminate it following the supplier s installation instructions However a specialist is not necessary to connect your Weed ControlNet Stacks Someone with installation experience can connect this equipment using the pre installed cables Whether you are installing or maintaining a ControlNet system keep the following application tips in mind Coax Application Tips The following applications tips are provided to help understand coax electrical networks e Taps contain passive electronics and must be used for the network to function properly Other methods of connecting to a Coax trunk cable will result in reflected energy that will disrupt communications e A75Q terminator must be installed on the tap at each end of a segment e You should always calculate the three dimensional routing path distance when determining cable lengths Consider vertical dimensions as well as horizontal dimensions e When you install repeaters in series use your ControlNet Network management Software RSNetWorx to verify that the system is an allowable configuration e Do not let any metallic surfaces on the BNC connectors plugs or optional accessories touch grounded metallic surfaces This contact could cause noise on the network e A disconnected drop cable can cause noise on the network Because of this it is recommend having only one unconnected drop cable per segment for maintenance purposes Be sure to k

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