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GarettCom 5843HRT User manual

Manual is about: Industrial Fiber Optic Link/Repeaters

Summary of 5843HRT

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    3-44-0003-00 printed in usa industrial fiber optic link/repeaters \ \ \ \ models 5843hrt and 5844hrt models 5843shrt and 5844shrt user manual um5843 rev ad distributed by solid signal www.Solidsignal.Com 877.312.4547.

  • Page 2: Used In This Publication

    Warnings, cautions, and notes used in this publication warning warning notices are used in this publication to emphasize that hazardous voltages, currents, or other conditions that could cause personal injury exist in this equipment or may be associated with its use. In situations where inattention ...

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    Table of contents page 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 model 5843hrt and 5844hrt link/repeaters . . . . . . . . . . . . . . . 1-5 1.2.1 9 pin data p...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-1 1. Introduction dymec models 5843hrt, 5843shrt, 5844hrt and 5844shrt are data communication link/repeaters which allow the replacement of copper wire with fiber optic cable. Link/repeaters simply convert electrical signals to light for transmission...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-2 optical star configuration: more than two link/repeaters connected together in a “hub and spoke” topology where the master’s transmission is heard by all ied’s and only the master hears the polled slave’s response and there is no returning echo of ...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-3 pin 8 output option switch: (switch 5b) models 5843 and 5844 links are provided with this switch to allow users who require more drive current on the ttl output pin (pin 8) to accomplish this. Selections are high or low. Consideration should be giv...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-4 number of repeats: the number of repeats is the number of link/repeaters that may be connected in a loop configuration. The sum of slaves in a master/slave loop is the number of repeats for that type of loop. The number of peers minus one is the nu...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-5 1.2 model 5843hrt and model 5844hrt link/repeaters note link/repeaters contain no serviceable parts. Opening the unit will void the warranty. Each link/repeater consists of the following elements shown in figure 1. Dymec model 5943 link/repeater rs...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-6 1.2.2 dte/dce switch (two position switch) the dte/dce switch on the link/repeater switches the functions of pins 2 and 3 to accommodate the ied configuration as dte or dce. This is a 2 position switch and both actuators must be set for the link/re...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-7 1.2.6 pin 8 current output option switch 5b: models 5843 and 5844 links are provided with this switch to allow users select one of 2 output source drive current values for the ttl output pin (pin 8). Selections are 10ma (207 ohm) or 20ma (67 ohm). ...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-8 1.2.9 diagnostic leds each link/repeater is equipped with four diagnostic leds. They represent the electrical transmit (te), optical transmit (to), electrical delivery (re), and optical receive (ro) paths. These leds, when illuminated, show that th...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-9 caution regardless of the power connection used, model 5843hrt requires 250 ma (340 ma for the 5843shrt) within a range of 9 to 15 vdc. An inadequate power supply not capable of supplying 250 ma over the entire operating temperature range may cause...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 1-10 that the correct signals are connected to each other. See figure 2 for the link/repeater's pin signal assignments. Check your ied's equipment manual for its signal assignments. The ied must also have intelligent software to execute the data commun...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-1 2. Configurations, operation, and installation model 5843hrt and model 5844hrt link/repeaters can be connected in a point-to-point configuration, in a master/slave loop, in a peer-to-peer loop or an optical bus depending on the needs of the overall...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-2 application note in point-to-point operation, the communication logic (control software) of the ied’s must manage: 1) the transmission of data signals. 2) the receipt of data signals. 3) any "handshaking" required must be accomplished through softw...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-3 warning when installing a model 5844hrt or 5844shrt link/repeater, an earth ground must be attached to the ground stud on the side of the case before connecting to power. Failure to follow this procedure may result in electrical shock to personnel....

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-4 application note another variation of the point-to-point concept, is the optical star network. This topology may be created using the dymec optical star os5 or os9. This topology creates a “hub and spoke” configuration which can be useful in solvin...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-5 model os5 fiber opt ic star model os5 fiber opt ic star master ied t r slave ied t r slave ied t r slave ied t r slave ied t r slave ied t r slave ied t r slave ied t r figure 9. Optical star configuration (os5 cascaded to an os5).

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-6 2.2 loop operation - master/slave configuration note before constructing a loop network, be sure that the software protocol of the master is capable of managing the receipt of its own, echoed transmission. If it cannot, then use point-to-point conf...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-7 note the communication logic and control software of the master ied must be able to manage the receipt of its echoed request. The receipt of the echo can be used in conjunction with a watchdog timer to continuously verify loop integrity. When addre...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-8 5. Connect power to the link/repeater as follows: a) if the unit is to be powered through the d-connector (9 to 15 vdc on pin 9 referenced to pin 5), then the unit is energized when it is connected to the d-connector (the power led will illuminate)...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-9 note the communication logic and control software of the master ied must be able to manage the receipt of its echoed request. The receipt of the echo can be used in conjunction with a watchdog timer to continuously verify loop integrity. 2 3 5 ied ...

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    Models 5843, 5844, 5843s and 5844s rs232 or ttl 2-10 application note in peer-to-peer loop operation, the communication logic (control software) and the master ied must manage: 1) the transmission to slaves. 2) the receipt of the echo of its transmissions. 3) the receipt of the slave's response to i...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 3-1 3. Applications when planning a system using model 5843hrt and model 5844hrt link/repeaters, the following considerations should be reviewed: • data rate • optical budget and the distance between connected units • number of units in a loop configu...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 3-2 single-mode: 19 db of optical budget is typically available and is essentially consistent for fiber diameters. 3.2.1.2 fittings adding additional splices, feed throughs, or patches to the foc will add losses to the available optical budget. When u...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 3-3 3.3 number of repeats in a loop configuration, the number of units that can be used as repeaters must be determined. A repeater is any unit that uses the repeat function of the link/repeater. All slaves in a master/slave loop are considered repeat...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 3-4 figure 10 shows the maximum number of repeats possible if 70% of the original pulse width is required by any ied in the loop. The acceptable percentage of the original pulse width is due to the requirements of the ied’s. If more of the original pu...

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    3-5 note the model 5844hrt or model 5844shrt can be ordered to accommodate 24 vdc to 48 vdc power. Model 5844hrt is provided with a ground stud on the side of the case. An appropriate earth ground must be connected to this stud before power is applied to the unit. The internal surge-withstand protec...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 3-6 3.7 selection of fiber optic cable (foc) fiber optical cable is available in several formats; simplex, duplex, and breakout. Foc is also available in various diameters and tensile strengths. Tensile strength is important for longer life expectancy...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 4-1 4. Testing and troubleshooting 4.1 testing models 5843hrt and 5844hrt lend themselves to easy installation and testing. Testing the units requires transmitting and receiving data or setting the test mode switch to on while observing that the diagn...

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    Models 5843, 5844, 5843s and 5844s rs-232 or ttl 4-2 • determine that the ied's originating signal is within standards. Note if the link/repeater is not connected directly to an ied, determine that the electrical signal received by the link/repeater is not corrupt. The link/repeater only repeats the...

  • Page 33

    5-1 5. Specifications 5.1 electrical and optical specifications (all specifications over entire operating temperature range) multimode 5843hrt 5844hrt optical budget typical 19.5 db 19.5 db output power typical -10.5 dbm peak -10.5 dbm peak receiver sensitivity typical -30 dbm peak -30 dbm peak (62....

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    5-2 single-mode 5843shrt 5844shrt optical budget typical 19 db 19 db output power typical -14.5 dbm peak -14.5 dbm peak receiver sensitivity typical -33.5 dbm peak -33.5 dbm peak (9/125 single-mode) (9/125 single-mode) wavelength 1300nm 1300nm connector type st st compatible fiber type single-mode (...

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    5-3 5.2 mechanical dimensions of the 5843hrt and 5843shrt dym ec m odel 5843 link/repeater rs232 switch access made in u.S.A. 5.14 2.06 1.25 .17 1.26 removable access plate 9 pin "d" connector w ith # 4-40 standoff hardw are .50 12 volts dc only #6-32 thread sst .34 type "st" f.O. Connector gnd stud...

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    5-4 5.3 mechanical dimensions of the 5844hrt and 5844shrt 5.14 2.00 4.12 pwr ro e o r t e t t r dymec model 5844 link/repeater rs232 switch access made in u.S.A. .17 removable access plate 9 pin "d" connector with # 4-40 standoff hardware type "st" f.O. Connector .46 #6-32 thread sst .50 90-250 vdc/...

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    6.0 ordering information: link/repeaters part number model eia std fiber type input power rating 5843hrt rs-232/ttl multi-mode 12 vdc 5844hrt-h rs-232/ttl multi-mode 90-250 vdc/ 90-250 vac 5844hrt-l rs-232/ttl multi-mode 24-48 vdc 5845hrt eia 422/485 multi-mode 12 vdc 5846hrt-h eia 422/485 multi-mod...

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    5-4 reader's comments we invite your comments and welcome suggestions to make this manual more useful. Bulletin # rev # today's date general comments: improve acceptable good excellent contents organization accuracy clarity completeness example/illustrations referencing/indexing readability detailed...