96
Technical data
Important information
about the measuring limits of the electrical energy meter:
1. If the effective power value is available as kW only, then cos phi must be observed.
2. The consumer load must lie within the specified power limits.
3. As the power consumption of heat pumps with frequency converters (inverters) is not sinusoidal,
there is a risk of over control of the measuring movement resulting in a measurement error. The
actual peak current must never exceed 70 A for 50 A current transformers, 140 A for 100 A cur
-
rent transformers and 430 A for 400 A current transformers.
*
Connections VT1 and DI1 (= input 7) and VT2 and DI2 (= input 8) cannot be used at the same time
(e.g. the use of VT1 and DI2 is possible).
Subject to technical modifications as well as typographical and printing errors. This manual is only
valid for devices with the corresponding firmware version. Our products are subject to constant tech
-
nical advancement and further development. We therefore reserve the right to make changes without
prior notice.
© 2022
Rated voltage consumer
3 x 400/230V 50 Hz
Power range with 1- or 3-
phase connected consumer
Max.
10 kVA
per phase for
50 A
current transformers
Max.
20 kVA
per phase for
100 A
current transformers
Max.
70 kVA
per phase for
400 A
current transformers
Resolution
10 VA
Maximum cable diameter
for current transformers:
10 mm Ø for standard current transformers (50 A)
16 mm Ø for special version of current transformers (100 A)
Accuracy of power meas
-
urement
± (
10 W + 3 %
of current power) for
50 A
current transformers
± (
20 W + 3 %
of current power) for
100 A
current transformers
± (
80 W + 3 %
of current power) for
400 A
current transformers
Sensor inputs 1-4
Temperature sensors of type PT1000, KTY (2 kΩ/25 °C), KTY (1 kΩ/
25 °C), PT100, PT500, Ni1000, Ni1000TK5000 and room sensors
RAS or RASPT, radiation sensor GBS01, thermocouple THEL, humid
-
ity sensor RFS, rain sensor RES01, pulses
max. 10 Hz
(e.g. for flow
rate transducer VSG), voltage
up to 3.3 V DC,
resistance (1-100 kΩ),
and as a digital input
Sensor inputs 5, 6
(via VT1 and VT2)
Inputs for temperature from FTS flow sensors
Sensor inputs 7, 8
(via VT1 and VT2)
*
Inputs for flow rate from FTS flow sensors (pulses)
Sensor inputs 7, 8
(via DI1 and DI2)
*
Inputs for analogue flow sensors (type FTS) or pulse flow sensors
(type VSG) S0 up to max. 20 Hz
Frequency of wireless sys
-
tem
868.5 MHz
DL bus interface
For electronic sensors via DL-bus
DL bus load
100%
SD card
Micro SD with FAT32 formatting
Dimensions W x H x D
107 x 95 x 64 mm
Max. ambient temperature
0°C bis 45°C
IP rating
IP10
Protection class
II - double insulated
Summary of Contents for CAN-EZ2
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