GE Multilin MIB - Differential Element 87 1 Group 2; Differential Element 87 2 Group 2

GE Multilin MIB

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GEK-106426B MIB High Impedance Bus Differntial Relay 5-5

5 SETTINGS 5.3 ADVANCED SETTINGS

5

5.3.4 DIFFERENTIAL ELEMENT 87 1 GROUP 2

5.3.5 DIFFERENTIAL ELEMENT 87 2 GROUP 2

Table of Contents

Default Chapter2
- Table of Contents2
- Enervista MII Setup Software3
- MII Relay Family Hardware16
- Using the Keypad and Display18
  - Hierarchical Menus18
2 Product Description20
- General Overview20
- Intro21
- Access Security Features25
- Differential Units26
  - Differential Units (87-1) (87-2)26
- Calculation of Settings27
  - Setting of the Differential Element27
  - Minimum Fault to Trip 8728
- Multiple Setting Groups32
- Measurement and Self-Test33
  - Measurement33
  - Self-Test33
- User Interface34
- Ordering Codes36
- Technical Specifications37
- Technical Specifications for Hid Module40
3 Hardware44
- Description44
- High Impedance Module Description45
- Wiring49
- High-Speed Overcurrent Protection Module52
4 Communications60
- Overview60
- Starting Communication61
- Main Screen61
- File62
- Setpoint66
- Operations76
- Communication77
- View 4.7.1 Traces85
  - Modbus Memory Map86
  - Languages87
- Settings Structure88
- Main Settings89
  - Product Setup89
- Advanced Settings 5.3.1 Differential Element 87 190
- Time Synchronization95
- Input Configuration96
  - Description of Inputs96
  - Input Elements99
- Outputs and Leds Configuration100
  - Description of Outputs and Leds100
  - Output and Led Elements101
7 Keypad and Display104
- Description104
- Faceplate Keypad105
- Alphanumeric Display and Leds106
  - Display106
  - Leds107
- Operations109
  - One Key Operation and Last Trip Data109
  - Hmi Password109
8 Relay Commissioning116
- Visual Inspection116
- Comments on the Test Equipment117
- Relay Setting118
- Wiring and Necessary Equipment119
- Target Leds120
- Power Supply Test121
- Communications122
- Relay Setting123
- Contact Inputs124
- Contact Outputs125
- Relay Metering126
  - Current Metering126
- Differential Unit Level 1 (F87 1)127
- Differential Unit Level 2 (F87 2)128
- Time Synchronization129
- Acceptance Test for High Impedance Module130
- User Settings132
  - Main Settings132
  - Advanced Settings134
9 Installation and136
- Installation136
- Ground Connection and Disturbances Suppression137
- Maintenance138
- Cleaning Instructions139
Modbus140
Reading Values141
Command Execution143
- Command Structure143
- Example146
Synchronization146
Writing Settings147
- Frame Structure148
- Setting Change Confirmation149
- Example of Setting Change150
Events152
- Frame Structure153
Oscillography157
Errors160
Used Formats161
Modem Connection164
Hayes Modem165
V.25Bis Modem166
Samples of Settings for Particular Modems167
- Sportster Flash X2 Modem (Hayes)167
- Zoom Pkt14.4168
- Modem Satelsa Mgd-2400-Dhe (V.25Bis)169
General Principle of Operation172
Digital Filter173
Measure at Frequencies below the Rated Frequency175

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