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because timing is everything   

 

 

 

 

 

 

 

P a g e

 | 15 

 

Earthing  

 

 

PROTECTIVE EARTH  

 

The unit must be safety earthed whenever it is powered on, using the GND 
terminal as pictured above. The cable cross section must be equal to or greater 
than 0.75 mm

2 

(18 AWG). 

 

 
 

Warranty

 

For terms and conditions of Tekron’s Warranty see the Web Site

 

http://tekron.com/about-tekron/warranty 

 
 

Contact

 

The ITR is manufactured in New Zealand by Tekron International Limited. 
 
To contact Tekron please visit 

https://tekron.com/contact-us/

 

Содержание ITR

Страница 1: ...because timing is everything P a g e 1 Level 1 47 The Esplanade P O Box 31 285 Lower Hutt New Zealand Phone 64 4 5667722 www tekron com ITR USER MANUAL ...

Страница 2: ...T Order code D3 6 ITR Product Codes 8 LED Indicators 9 ITR Inputs 9 Copper Inputs 9 Fiber Inputs 9 ITR Outputs 10 Copper Loop Output 10 Fiber Output 10 TTL Output 10 RS422 RS 485 Outputs 10 RS 232 Output 10 MOSFET Output 10 Optional AM IRIG B Output 10 General User Guideline 11 General Installation Guideline 12 Identification 12 Location 12 Power Supply 12 Hazardous Voltage 13 ITR Terminals 13 Ear...

Страница 3: ...mation PROTECTIVE EARTHING TERMINAL Protective Earthing Conductor 0 75mm2 shall be connected to GND terminal to protect against electric shock hazard READ INSTRUCTION MANUAL Read the Instruction manual before installing or servicing this product Document Conventions The Symbols used in this document Is used to highlight additional information Is used to highlight any safety or regulatory points ...

Страница 4: ...nd PR terminals DISCONNECT DEVICE S Each Hazardous Voltage circuit which connects to the ITR shall incorporate a readily accessible disconnect device installed externally to the ITR Disconnect devices shall have contact separation of at least 3mm HAZARDOUS VOLTAGE Stray conductors or loose connections Provide insulation and strain relief on all Hazardous Voltage terminations to protect against ele...

Страница 5: ...ectronic Devices IEDs The ITR performs a number of tasks including converting time sync signals from fiber to copper and vice versa boosting signal strengths and converting one type of signal to another The ITR is available in multiple variants Copper Input Order Code D1 Takes a copper based pulse or IRIG B signal as input Provides a non isolated loop output of the input signal Provides isolated T...

Страница 6: ...put Provides isolated Fibre and HV MOSFET output as standard For the HV MOSFET wiring use a slow blow with a 300V dc voltage rating fuse no greater than 200mA Note For the HV MOSFET ITR option high voltage may be present on the HV terminals as well as the PWR input terminals For this reason there is a DUAL SUPPLY label affixed to warn of this as pictured above All three configurations can be order...

Страница 7: ... on the Tekron website www tekron com ITR Datasheet https tekron com dmsdocument 109 Typical Installation Guide https tekron com dmsdocument 103 Declaration of Conformity https tekron com dmsdocument 260 RoHS Statement https tekron com dmsdocument 110 Order Code Guide https tekron com dmsdocument 108 ...

Страница 8: ...1 Medium Voltage 2 pin screw terminal 20 75 Vdc 250 80 mA 2 High Voltage 2 pin screw terminal 90 300 Vdc 56 17 mA 3 Description Connector Type Specification Standard Outputs Fiber ST Fiber Connection 62 5 125um λ 820 nm multi mode TTL Output 2 pin screw terminal 0 5V 150mA Fused RS232 Output 2 pin screw terminal 10V Typical unloaded 15mA max RS422 Output 2 pin screw terminal 5V 50 RS422 Loads RS48...

Страница 9: ...rminals It the ITR is the last device in the daisy chain then the TERM connections can be shorted which will terminate the incoming IRIG B signal with 120Ω This will correctly terminate a 120Ω balanced line recommended for signal distribution The input to earth isolation is 3 5kV minimum The ITR is designed with balanced inputs and outputs which allow the use of twisted pair cabling to distribute ...

Страница 10: ...AND of the two signals The fiber output is 62 5 125 um λ 820 nm multimode Power is 17 5dB typical TTL Output The TTL Output is a 0 to 5V Pk signal capable of driving up to 150mA loading This output is internally protected with a PTC resettable fuse RS422 RS 485 Outputs The RS422 RS485 output is 5V 50 x RS422 unit loads RS485 Compatible RS 232 Output The RS232 output is 10V typical unloaded and cap...

Страница 11: ...same rated components Protective earths should not be disconnected or removed The ITR does not generate any high voltages but instead may have one or more high voltages fed to it as a power supply or for switching as is in the case of the HV MOSFET option The operator should familiarise themselves with how to isolate all voltages fed to the ITR before working on it Once installed the ITR requires ...

Страница 12: ...ITR should be installed by suitably qualified personnel Wiring cable entries conduit entries knock outs or glands should be installed in accordance with local wiring regulations Power Supply The input voltage range is marked on the product label on the side of the ITR Do not apply voltage outside this range Note that either supply polarity is acceptable due to internal rectification OVERCURRENT PR...

Страница 13: ...C supply and PR HV SW HV SW and PR terminals DISCONNECT DEVICE S Each Hazardous Voltage circuit which connects to the ITR shall incorporate a readily accessible disconnect device installed externally to the ITR Disconnect devices shall have contact separation of at least 3mm ITR Terminals HAZARDOUS VOLTAGE Stray conductors or loose connections Provide insulation and strain relief on all Hazardous ...

Страница 14: ...g all three power wires together and GND and similarly for the wiring to the HV MOSFET option secure up to 4 wires as required An example of one way to achieve this is to terminate individual wires into crimp pin terminals e g Multicomp MC29483 then heat shrink the crimped wires together so they support each other INSTALLATION ENCLOSURE The ITR should be installed on a DIN rail in an enclosure whi...

Страница 15: ...inal as pictured above The cable cross section must be equal to or greater than 0 75 mm2 18 AWG Warranty For terms and conditions of Tekron s Warranty see the Web Site http tekron com about tekron warranty Contact The ITR is manufactured in New Zealand by Tekron International Limited To contact Tekron please visit https tekron com contact us ...

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