ABB REX 521, Operator'S Manual

Page 1: ...Protection Relay REX 521 Operator s Manual...

Page 2: ......

Page 3: ...splay backlight 13 4 1 5 Display contrast 13 4 1 6 Display test 14 4 1 7 Selecting primary values 14 4 1 8 Optically isolated serial communication port 14 4 2 Menu chart 15 4 2 1 Measurement menu 16 4...

Page 4: ...4 1MRS 751107 MUM Protection Relay Operator s Manual REX 521 5 Test mode 27 5 1 I O test 27 5 2 IRF test 27 5 3 Function block test 28 6 Index 29...

Page 5: ...oduced or copied without written permission from ABB Oy and the contents thereof must not be imparted to a third party nor used for any unauthorized purpose The software or hardware described in this...

Page 6: ...Installation Manual 1MRS 750526 MUM Technical Descriptions of Functions CD ROM 1MRS 750889 MCD Modbus Remote Communication Protocol for REX 521 Technical Description 1MRS 755017 DNP 3 0 Remote Commun...

Page 7: ...ce contains components which are sensitive to electrostatic discharge Unnecessary touching of electronic components must therefore be avoided The frame of the device has to be carefully earthed Only a...

Page 8: ...ing inputs for conventional current and voltage transformers Also a hardware version with inputs for current and voltage sensors is available The protection relay is based on a multiprocessor environm...

Page 9: ...es Push buttons for navigating C Clear Cancel and E Enter Language selection Setting values are protected by passwords Display backlight Display contrast Display test Selection of primary values Optic...

Page 10: ...Fig 3 1 1 HMI front view 1 Alarm LEDs 2 LED indicator Trip CBFP 3 LED indicator Start Block 4 LED indicator Ready IRF Test mode 5 LCD 6 Optical PC connector 7 Navigation buttons 8 Clear Cancel 9 Enter...

Page 11: ...ctions Up Down These buttons are used for moving up and down in menus scrolling active digits of a parameter when entering a new setting value Left Right These buttons are used for moving left and rig...

Page 12: ...tton After altering the language the display menus are shown in the new language and the selection is restored after a disconnection of the power supply Clear Cancel Enter These buttons are pressed si...

Page 13: ...e display is normally off When a button on the HMI is pressed the backlight turns on automatically and the panel is ready for further operations At power up the backlight is also turned on during the...

Page 14: ...Menu chart on page 15 3 1 7 Selecting primary values The setting values input data and recorded values that are relative to some quantity can be obtained directly in amperes and volts For the relay t...

Page 15: ...interval 1 min Threshold select Not in use Test mode No test Activate IRF Deactivate Input states 001100010 Output states 000000 Time multiplier 0 05 Operate time 0 05s Start current 0 10x In Operati...

Page 16: ...ed off If energy measurements are present accumulated values can be reset by pressing the C button for 2 s Table 3 2 1 1 Measurement view Function block Measurand View 3I Io IL1 A IL2 A IL3 A Io A Uo...

Page 17: ...ve directly to the associated recorded data by moving right again in the date and time view Return to the event view with the C button or with the button like in normal menu navigation When viewing re...

Page 18: ...ed values IL1 A 25 0 Events 14 Stored 3I START L1 L2 L3 3I TRIP L1 L2 L3 2002 22 01 08 32 23 100 2002 22 01 08 32 23 100 Duration 0 1s Time 08 32 23 100 Date 2002 22 01 Jump Recorded data 3 Recorded d...

Page 19: ...displayed The operation can then be confirmed with the E button and cancelled with the C button If the operation is cancelled the text Aborted is displayed for three seconds and then the current stat...

Page 20: ...xternal change Local remote state controlled by digital inputs has changed Only in external input mode Cancels current operation if any Failed Executing the control request failed The reason was not i...

Page 21: ...Setting bit masks Event masks and switchgroups are presented as bit masks with a checksum Most of the events can be included in or excluded from the event reporting by altering the bits of the event m...

Page 22: ...ring when certain display operations are performed Indication messages have a certain priority If different types of indications occur simultaneously the message with the highest priority appears on t...

Page 23: ...display and the serial communication When a fault has been detected the green READY indicator starts blinking At the same time the self supervision IRF output relay is activated Additionally a fault i...

Page 24: ...nfiguration includes condition monitoring functions that are not directly related to any protection function or to the internal relay condition indication messages with the message SUPERV and an expla...

Page 25: ...started and an indication message is displayed The start indication can be selected to be of latching non latching type Non latching means that the indicator is deactivated when the fault disappears w...

Page 26: ...o indefinite 999 in this case the first trip indication remains on the display until reset Blinking LED TRIP CBFP Trip with CBFP circuit breaker failure protection The indication is reset by pressing...

Page 27: ...enu used for digital input testing Tests Inputs in the hardware variant with nine digital inputs The digits correspond to the inputs DI1 DI9 starting from the right side Fig 4 1 1 Digital input testin...

Page 28: ...locally via the HMI or externally via serial communication This is possible without setting the relay in test mode as described in Test mode on page 27 The outputs are activated by using control param...

Page 29: ...tal inputs Testing 27 Display Adjusting Contrast 13 Backlight 13 Contrast 13 Display test 14 Language 12 E Event view 17 H H07 configuration Measurement view 17 HMI features 9 I Indication messages Co...

Page 30: ...ol 18 Messages 20 Measurement menu 16 Measurement view 16 Menu chart 15 O Object control menu 19 Optically isolated serial communication port 14 Output relays Testing 27 P Parameters 21 Setting 21 Pas...

Page 31: ...1MRS 751107 MUM Protection Relay Operator s Manual REX 521 31 T Test Display 14 Function block 28 I O 27 IRF 27 Test mode 27 Cancelling 27 Timeout 19...

Page 32: ...ABB Oy Distribution Automation P O Box 699 FI 65101 Vaasa FINLAND Tel 358 10 22 11 Fax 358 10 224 1094 www abb com substationautomation 1MRS 751107 MUM EN 06 2004...