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Bender NGRM700 User Manual
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Connection
27
NGRM7xx_D00292_
07_M_XXEN/02.202
2
5.3.4
Artificial neu
tral (delta conn
ection)
If no star point is available, the following
circuit can create an artificial
neutral.
Connection with a zigzag transformer
Fi
g. 5.4: Artificial neutr
al with a zi
gzag tra
nsformer
R
s
(G1)
E (G)
N
CD...
PE
PE
R
S
E
k
l
NGR
CT
L1
L2
L3
L1
L2
L3
6A
6A
6A
LINETRAXX®
NGRM7…
A1
A2
X1
Ethernet
5
C
50m
6A
AC/DC
48...240 V
6A
11
12
14
21
22
24
31
32
34
Circuit breaker
NGR fault
Ground fault
Tr
i
p
26
28
Table of Contents
Table of Contents
3
Important Information
7
How to Use this Manual
7
Technical Support: Service and Support
8
First Level Support
8
Repair Service
8
Field Service
9
Training Courses
9
Delivery Conditions
9
Inspection, Transport and Storage
9
Warranty and Liability
10
Disposal
10
Safety Instructions
11
General Safety Instructions
11
Work Activities on Electrical Installations
11
Intended Use
12
Glossary
13
Function
14
Device Features
14
Functional Description
15
(Tripping Level 50 %)
16
(HRG System)
16
(HRG System)
17
Mounting
18
Screw Mounting
18
Dimension Diagrams
18
Dimension Diagram FP200-NGRM
18
Dimension Diagram NGRM7
19
Enclosure View
20
Removing FP200-NGRM from Enclosure
20
Door Mounting
21
Front Cover for FP200-NGRM
21
Connection
22
Connection Requirements
22
Connection Descriptions of CD-Series Coupling Device
23
Star Connection
24
Connection Usys ≤ 690 V with Pulser
25
Connection Usys ≤ 690 V
26
Artificial Neutral (Delta Connection)
27
CT Connection
28
Connection of Relays (Ground-Fault, NGR and Trip Relay)
29
Connection to the X1 Interface
29
X1: Input I1
30
X1: Output Q1
31
X1: Analogue Output
32
User Interface FP200-NGRM
33
Standard Display
35
Fault Indication (Active)
35
Fault Indication (Inactive)
36
Acknowledging a Fault Message
36
History Memory
37
Menu
38
Overview
38
Navigating through the Menu
39
Changing Settings
39
Data Measured Values (Menu 1)
40
Harmonics (Menu 2)
41
History (Menu 3)
41
Pulser (Menu 4)
42
Display (Menu 5)
42
HRG, LRG Settings (Menu 6)
43
HRG, LRG System (Menu 6.1)
43
CT (Menu 6.2)
43
NGR (Menu 6.3)
44
Phase Monitor (Menu 6.4)
45
Response Values (Menu 6.5)
45
System Settings (Menu 6.6)
49
Field Calibration (Menu 6.7)
50
Device Settings (Menu 7)
51
Commissioning (Menu 8)
55
Info (Menu 9)
56
Alarm (Menu 10)
56
Initial Commissioning
57
Response Values
57
Output Relays Operating Modes
58
Field Calibration
58
Trip Times
58
RMS Trip Signal, Fundamental, Harmonics
61
Initial Measurement
61
Analogue and Digital I/O Configuration
63
Analogue Output (Menu 6.6.4)
63
Digital Outputs (Q1, Q2)
63
Use of Q1: Device Health
64
Use of Q2: Pulser
64
Digital Input
64
Test Cycle
65
Factory Settings
66
Error Codes
68
Technical Data
69
Tabular Data
69
Ic2 / (Ic3
69
Ic3 / (Ic4
69
Ic4 / (Ic5
69
Ic5 / (Ic6)
69
Measuring Range
72
Measurement Accuracy
72
Overload Capacity
72
Standards, Approvals, Certifications
74
Ordering Details
75
NGR Monitor
75
Accessories
75
Document Revision History
76
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Bender NGRM700 Specifications
General
Brand
Bender
Model
NGRM700
Category
Measuring Instruments
Language
English
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