CRE Technology SCR2.0 User Manual

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SCR2.0

Synchroscope and synch check relay

User manual - Technical documentation

www.cretechnology.com

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Page 1 SCR2.0 Synchroscope and synch check relay User manual - Technical documentation www.cretechnology.com...
Page 2 www.cretechnology.com...
Page 3: Table Of Contents
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN Content PRESENTATION ..................................5 INSTALLATION..................................6 Environmental Requirements ............................6 Unpacking ..................................6 Preparation ..................................6 Mounting the Unit ................................6 Wiring the Unit................................6 HUMAN-MACHINE INTERFACE ..............................9 LED display ..................................9 Digital display ................................10 PROGRAMMING ..................................11 OPERATION ...................................
Page 4 user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN DOCUMENT CONTROL Version Date Changed by Details July 22 , 2014 A. Mesnard First edition Aug. 25 , 2014 A. Mesnard Minor, chronogram completed...
Page 5: Presentation
A60 X2 9 0020 B EN PRESENTATION The unit SCR2.0 is a metering and control module used in manual synchronization and protection panels. It monitors the voltage and frequency of two power networks and shows the measured values on its 3-digit 7- segment display.
Page 6: Installation
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN INSTALLATION The unit is designed for panel mounting, which provides user with access only to the front panel. Environmental Requirements  Operating temperature: -20°C (-4°F) to 70°C (158°F)  Storage temperature: -30°C (-22°F) to 80°C (176°F) ...
Page 7 user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH  The unit must only be installed and serviced by qualified electrical personnel  Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices ...
Page 8 user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN UPPER CONNECTOR: phase L1 and neutral on both sides of the breaker Make sure the cable connector is NOT plugged on the upper connector Take on protective gloves Connect the wires on the cable connector in accordance with the National Wiring Regulations Term Function Technical data Description...
Page 9: Human-Machine Interface
 OFF if the generator voltage is out of range GEN status Amber  Blinks if the generator voltage is in range, but SCR2.0 is waiting for a checking request  Steadily ON if the synchronization coupling is enabled Output state Amber ON when the SYNCH CHECK relay is energized.
Page 10: Digital Display
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN Digital display The unit has a three-digit seven-segment display. It shows on request:  Readings (symbol, then value) in a sequence  Programmable parameters (number, then value) in a sequence Scan the various readings using the MENU button.
Page 11: Programming
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN PROGRAMMING WARNING RISK OF UNINTENDED EQUIPMENT OPERATION Set the parameters to values that do not endanger your setup. We strongly recommend to keep the parameter #9 to 1 Failure to follow this instruction can damage equipment The program is used mainly to specify operational limits.
Page 12: Operation
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN OPERATION CAUTION RISK OF ERRONEOUS MEASUREMENTS Ground the engine body Failure to follow this instruction result in incorrect measurements Power-up The unit is designed for continuous operation powered by the generator battery voltage (12/24V ).
Page 13 user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN Term Function Data Description BATTERY POSITIVE +12 or 24V Positive terminal of the DC supply. The unit operates (9.0 … 33.0 V) on both 12V and 24V battery systems. BATTERY NEGATIVE Power supply negative connection.
Page 14: Other Features
When active, the DEAD BUS ENABLE input signal causes SCR2.0 to energize the SYNCH CHECK relay when all the following conditions are met: ...
Page 15: Miscellaneous
user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN MISCELLANEOUS Troubleshooting AC voltages or frequency displayed on the unit are not correct (voltage accuracy: ± 3 V):  Check the proper engine body grounding  If there are faulty measurements only when the engine is running, there may be a faulty charging alternator or voltage regulator on the engine.
Page 16 user manual technical documentation www.cretechnology.com A60 X2 9 0020 B EN  Voltage inputs: 1 phase of generator and 1 phase of busbar  Synch check & dead bus enable input  Auto power oﬀ  Plug-in connection system for easy replacement Measurements: ...
Page 17 A60 X2 9 0020 B EN CRE TECHNOLOGY 130 allée Charles-Victor Naudin Zone des Templiers Sophia-Antipolis 06410 BIOT FRANCE Phone: +33 (0)4 92 38 86 82 Fax: +33 (0)4 92 38 86 83 Website: www.cretechnology.com Email: info@cretechnology.com...
Page 18 The coming and touch tablets. years will see the broadening of our distribution network and of our innovative It allows you to consult the documents products portfolio. related to the CRE TECHNOLOGY’s ranges of products. BECOME A CRE TECHNOLOGY DISTRIBUTOR...