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product manual DVS74
1
Properties
1.1
Common
The meter is three phase – 4 wire direct connected electricity meter.
It is designed and developed according to the FNN specifications. The functionality meets the
requirements of the FNN specifications.
1.2
Appropriate Use
The electricity meter DxS74 and all versions of it are allowed to be used for measuring electrical
energy only. Only the energy consumption registers displayed in the top line of the LCD are permitted
for billing purposes.
All other information, including the values of the second line of the LCD, are results of non-verified
functions and are for information purposes only and may not be used for billing purposes.
Values not displayed in the LCD must not be used for billing purposes.
1.3
Properties
Type
Voltage
Nominal voltage U
n
Voltage range
Frequency
Nominal frequency f
n
Frequency range
Current
Reference current I
= I
ref
b
Maximum current I
max
Minimum current I
min
Starting current I
st
Two-wire operation
Use as two-wire meter
Accuracy
Class
Measuring active energy
Measure mode
Energy register
Total energy
Tarif energy T1, T2
Tariff control
external
LMN interface
Test LED
Infrared
Display
LCD
Life cycle
Communication interface
Optical interface
Copyright DZG Metering GmbH, Heidelberger Str. 32, D-16515 Oranienburg
22.02.2019
= 10 I
tr
Three phase electricity meter
direct connection
3x230/400 V
AC
0.8 – 1.15 U
n
50 Hz
0.98 – 1.02 f
n
5 A, 10A
60A, 85A, 100A
0.20A, 0.25A, 0.5A
0.004 I
b
The meter can be used in the versions DWS74 as a two-
wire meter. The phases to be used are indicated on the
nameplate.
Class A or B
+A with reverse locking
+A/-A
-A with reverse locking
-A without reverse locking
+A, -A
+A, -A
Terminals 13 and 15
via LMN interface
5000 Imp/kWh
6 digit with additional symbols
> 12 years
Infrared, 9600 Bd, 8-N-1, SML 1.05
Kopien nur mit Erlaubnis der DZG
Page 7 / 38
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