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Summary of Contents for Deif Multi Differential Relay 2
- Page 1 DEIF A/S · Frisenborgvej 33 · DK-7800 Skive · Tel.: +45 9614 9614 · Fax: +45 9614 9615 · info@deif.com · www.deif.com isenborgvej 33 · DK-7800 Skive · Tel.: +45 9614 9614 · Fax: +45 9614 9615 · info@deif.com · www.deif.com Document no.: 4189340300I...
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Page 2: Table Of Contents
6.3.2. Auto acknowledgement of alarms ....................23 6.3.3. Service menu ..........................24 6.4. Nominal settings...........................24 6.4.1. Nominal current .......................... 24 6.4.2. Current transformers ........................24 6.4.3. Date and time (internal clock) ..................... 25 6.4.4. Power supply (battery) under-voltage alarm ................25 DEIF A/S Page 2 of 26... - Page 3 MDR-2 DRH 4189340300 UK 6.4.5. User password for programming via display................25 6.4.6. Language selection ........................26 DEIF A/S Page 3 of 26...
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Page 4: General Information
1.1.2 Legal information and disclaimer DEIF takes no responsibility for installation or operation of the generator set. If there is any doubt about how to install or operate the engine/generator controlled by the Multi-line 2 unit, the company responsible for the installation or the operation of the set must be contacted. -
Page 5: Factory Settings
1.2.3 Contents and overall structure This document is divided into chapters, and in order to make the structure simple and easy to use, each chapter will begin from the top of a new page. DEIF A/S Page 5 of 26... -
Page 6: Preface
Protection Case: IP40 Terminals: IP20 Operator panel (option): IP40 (IP54 when mounted with gasket) To IEC 529 and EM 60529 Mounting Base-mounted with six screws or DIN-rail mounted Weight Approx. 1 kg incl. packing DEIF A/S Page 6 of 26... -
Page 7: Standard Functions
The differential current detection takes place in each phase. So, the differential current detection is based on: Primary side Secondary side (I1) (I2) compared to compared to compared to MDR-2 Generator/Motor Step up transformer (option C4) DEIF A/S Page 7 of 26... -
Page 8: Differential Current Tripping/Warning
The warning curve shares the SP-X1 value with the trip curve. Both settings are with adjustable time delay (0.01 to 2.00 sec.) 3.2 Display Front-mounted display with push-buttons and display of all measured values and alarms. The following values can be read: DEIF A/S Page 8 of 26... - Page 9 Selects the chosen menu/value (enter function). Up/down value buttons. Used for changing of settings, and so on. Move buttons. Moves the cursor (in the lower line of the display) during manoeuvring in the me- nus. DEIF A/S Page 9 of 26...
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Page 10: Panel Cutout For Display
MDR-2 DRH 4189340300 UK Standard functions 3.2.1 Panel cutout for display 24.0 66.0 33.0 10.0 6x Ø4.5 DEIF A/S Page 10 of 26... -
Page 11: Unit Dimensions In Mm (Inches)
MDR-2 DRH 4189340300 UK Standard functions 3.2.2 Unit dimensions in mm (inches) 115 (4.528) 15 (0.59) 115 (4.528) 215(8.465) 230 (9.055) Display 20.0 (0.787) 220 (8.661) DEIF A/S Page 11 of 26... -
Page 12: Hardware
Self check OK: The microprocessor watchdog status is OK. This relates to the "Status" relay output (nor- mally energised) Comm.: Communication status: not used I>>: Option: short-circuit trip indication I>: Option: over-current trip indication DEIF A/S Page 12 of 26... - Page 13 I>>, I> and Id LEDs are turned off if the function is not chosen or inhibited. I>>, I> and Id LEDs can indicate status (yellow light) if the function is turned ON. Refer to the paragraph "Sta- tus LED". DEIF A/S Page 13 of 26...
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Page 14: Terminal Strip Overview
MDR-2 DRH 4189340300 UK Hardware 4.3 Terminal strip overview 4.3.1 Slots #1, #2, #5 and #6 DEIF A/S Page 14 of 26... -
Page 15: Slots #3, #4, #7 And #8
4.3.2 Slots #3, #4, #7 and #8 4.4 Terminal strip, explanation For the relay outputs, the following terms will be used: NO means Normally Open NC means Normally Closed Com. means common terminal for the relay in question DEIF A/S Page 15 of 26... -
Page 16: Slot #1, Power Supply And Digital I/O
Digital input 1 Optocoupler Id trip inhibit (differential current trip inhibit) Digital input 2 Optocoupler Alarm acknowledge Digital input 3 Optocoupler Digital input 4 Optocoupler Digital input 5 Optocoupler Com. Common Common for terminals 23 to 27 DEIF A/S Page 16 of 26... -
Page 17: Slot #7, Ac Current Measurement
S1 (k) I 1L2 S2 (l) S1 (k) I 1L3 S2 (l) S1 (k) I 2L1 Secondary side current measurements (I2) S2 (l) S1 (k) I 2L2 S2 (l) S1 (k) I 2L3 S2 (l) DEIF A/S Page 17 of 26... -
Page 18: Wiring Diagrams
MDR-2 DRH 4189340300 UK Wiring diagrams 5. Wiring diagrams 5.1 Coupling and connection 5.1.1 AC current measurements, star coupling The ground connections can be connected to S1 or S2 as needed. DEIF A/S Page 18 of 26... -
Page 19: Ac Current Measurements, Delta Coupling
(I1) I1 L2 S1(k) S2(l) I1 L1 S1(k) The nominal current setting is to be the name plate current divided by √3. The ground connections can be connected to S1 or S2 as needed. DEIF A/S Page 19 of 26... -
Page 20: Dc Connections, Inputs And Outputs
5.1.3 DC connections, inputs and outputs Alarms can be acknowledged by: 1) Using the display 2) Activating the alarm acknowledge input 3) Auto acknowledge. The use of this is selected in the setup menus. DEIF A/S Page 20 of 26... -
Page 21: Parameter Programming
6.1 Programming 6.1.1 About programming All settings can be programmed using the DEIF utility software for Multi-line 2 or via the display. All parame- ters are protected by a password. In the following, the term "No." (number) refers to a specific number used for each setting. The first digit in the number indicates which group the setting belongs to. -
Page 22: Warning (Curve 1)
2.00 s 0.10 s 1025 Diff. current trip Relay output A R0 (none) R5 (relay 5) R4 (relay 4) 1026 Diff. current trip Relay output B R0 (none) R5 (relay 5) R5 (relay 5) DEIF A/S Page 22 of 26... -
Page 23: Trip (Fixed Trip Value)
Automatic acknowledgement of alarms is activated by turning setting 4312 ON. Setting Min. setting Max. setting Factory setting 4310 Auto acknowledge Selection display 4311 Auto acknowledge Delay 0.10 s 10.00 s 2.00 s 4312 Auto acknowledge Enable DEIF A/S Page 23 of 26... -
Page 24: Service Menu
(I1) (I2) I1L1 I2L1 I1L2 I2L2 I1L3 I2L3 The object under test can be: - A generator - An electric motor Transformer ratio for current measurements I1L1, I1L2, I1L3, I2 L1, I2L2 and I2L3. DEIF A/S Page 24 of 26... -
Page 25: Date And Time (Internal Clock)
6.4.5 User password for programming via display The user password can only be entered using the "JUMP" push-button on the display. Setting Min. setting Max. setting Factory setting 4971 User password Setting 32000 2000 DEIF A/S Page 25 of 26... - Page 26 MDR-2 DRH 4189340300 UK Parameter programming 6.4.6 Language selection Setting Setting Factory setting 4230 Language Selection display 4231 Language English Deutsch Français Español DEIF A/S Page 26 of 26...
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