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User Manuals: NZR DHT Series Measuring Instruments
Manuals and User Guides for NZR DHT Series Measuring Instruments. We have
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NZR DHT Series Measuring Instruments manual available for free PDF download: Installation And Operating Manual
NZR DHT Series Installation And Operating Manual (33 pages)
Digital Active Energy, Dual-Tariff, Export & Import Meter
Brand:
NZR
| Category:
Measuring Instruments
| Size: 0 MB
Table of Contents
Table of Contents
3
1 Preliminary Remarks
5
Safety Information
5
Maintenance
5
Information for the Electric Power Customer
5
2 Mounting and Installation
6
Mounting
6
Figure 1: Housing Dimensions
6
Installation
7
Connection Examples
8
Table 1: Terminal Dimensions, Connection Diameters, and Torques
8
3 General Description
10
4 Standards and Regulations
11
5 Housing, Control and Display Elements
12
Overview
12
Figure 2: Housing, Control and Display Elements
12
Table 2: Housing and Display Elements
12
LC Display
13
Figure 3: Layout of Display
13
Table 3: Description of Display Elements
13
6 Technical Description
14
Technical Data
14
Operational Diagram
15
Direct-Measuring Meter up to 65 a
15
Transformer Connected Meter up to 5 a
15
Figure 4: Operational Diagram of Direct-Measuring Meter
15
Figure 5: Operational Diagram of Transformer Meter
15
Inputs
16
Outputs
16
Secondary Impulse Output
16
Primary Impulse Output
16
Specifications of Inputs
16
Specifications of Outputs
16
Test LED
17
Interfaces
17
M-Bus Interface
17
LON Interface
17
RS485 Interface
18
Figure 6: System Layout - RS485 Two-Wire Bus
18
Figure 7: Detail Drawing - RS485 Terminating Resistor
18
Table 7: Specification of RS485 Interface
18
Battery
19
Path Disconnector
19
Figure 8: DHZ with Path Disconnector
19
7 Operation of the Meter
20
Display Control
20
Table 8: Error Code Description
20
Standard Menu
21
Test Mode
23
Test Mode (Only for Calibration)
24
Address Menu
26
Address Menu
27
Edit Menu
28
Table 12: Resolutions of the Energy Registers
28
8 Appendix
32
EC Declaration of Conformity
32
Declaration of Conformity for the EC Prototype Certificate
33
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