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AC/DC current transformer with transmitter functionality SIRAX BT7000 / BT7050
Safety instructions
The unobjectionable and hazard-free operation presupposes that the
safety instructions as well as Device Manual, electronically downloa-
dable via www.camillebauer.com, have been read and understood.
Please refer to our operating instructions for details. Downloadable
from our website www.camillebauer.com
The installation and commissioning should only be carried out by trained
personnel.
Check the following points before commissioning:
- that the connection wires are not damaged, and that they are not live during
wiring
- that the power flow direction and the phase rotation are correct
The instrument must be taken out of service if safe operation is no longer pos-
sible (e.g. visible damage). In this case, all the connections must be switched
off. The instrument must be returned to the factory or to an authorized service
dealer.
It is forbidden to open the housing and to make modifications to the instrument.
The instrument is not equipped with an integrated circuit breaker. During instal-
lation check that a labeled switch is installed and that it can easily be reached
by the operators.
The device is maintenance free. Unauthorized repair or alteration of the unit
invalidates the warranty.
Application area
The SIRAX BT7000 and BT7050 are current transformers for monitoring
1-phase AC and DC systems up to a maximum current of 50 A. The
current measurement is galvanically separated from the measured line.
The devices are the ideal solution for applications where power needs to
be monitored. They are perfect for monitoring medium / large photovoltaic
systems, battery charging systems and industrial processes.
Mounting and installation
Ensure a safe working environment during assembly, installation
and maintenance work. Disconnect the power supply of the
primary conductor and secure it against unintentional reconnec-
tion.
•
Mounting is via screw grooves for vertical and horizontal panel mounting or
via fastening elements for vertical and horizontal DIN rail mounting.
•
The installation of the devices is arbitrary.
•
Now connect the device according to the wiring diagram.
Electrical connections
Attention: Danger to life! Ensure that all leads are free of potential
when connecting them!
Please observe that the data on the type plate must be adhered to !
The national provisions have to be observed in the installation and
material selection of electric lines!
1 2
- +
11..30Vdc
V
Connection scheme BT7050
RS485
V
USB
Connection scheme BT7000
Technical data
Input
Type of measure
25 A AC/DC (over Dip switch);
Input range
bipolar (±50 A DC; ±25 A DC);
over RS485/Modbus RTU
Power supply
Absorption
Output
Output range
RS485 (Modbus RTU)
1000 ms (analog output)
Response time
30 ms (serial output)
Band width at -3dB
Accuracy
Accuracy
Resolution
Temperature coefficient
Crest factor
Hysteresis
Environmental conditions
Working temperature
Storage temperature
Humidity
Altitude
Safety
Isolation
Overload
Protection class
Mechanical properties
Housing material
Filling
Flammability
UL94 V-0, self-extinguishing, non-dripping, halogen-free
Weight
DIP switch
Permanent yellow (Power ON)
LED
Blinking yellow (communication)
Dimensions
Connections
Connections
Plug-in terminals 3.5 mm, 5 Pol
Cross-sectional area
Torque
Standards
Adhered standards
DIP switch settings BT7000
Description
1
All settings from EEPROM
0
ADD = 1
0
ADD = 2
0
ADD = 15
1
Baudrate 2400
Baudrate 9600
Baudrate 38400
Baudrate 57800
Monopolar (TRMS)
Bipolar (mean value)
50 A
25 A
DIP switch settings BT7050
Description
Monopolar (TRMS)
1
2
0
SIRAX BT7000
SIRAX BT7050
TRMS (monopolar)
50 A AC/DC;
50 A AC/DC;
25 A AC/DC (over Dip switch);
bipolar (±50 A DC; ±25 A DC)
11 ... 30 V DC
12 ... 30 V DC
(Passive loop powered)
max 20 mA
< 3.5 mA
0 ... 10 V
4 ... 20 mA
1000 ms (analog output)
DC or 20 ... 2000 Hz
0.5% F.S.
12 bit
< 200 ppm/°C
2
0.15% F.S.
-15 ... +65 °C
-40 ... +85 °C
10 ... 90 % (not condensing)
max 2000 m
3 kV on bare wire
2000 A (pulse); 300 A (continuos)
IP20
PTB
Epoxy Resins
72 g
8 pole
2 pole
Permanent yellow (Power ON)
46.1 x 63 x 26.4 mm (without terminals)
Plug-in terminals 3.5 mm, 2 Pol
1.5 mm
2
max 0.25 Nm
EN61000-6-4; EN64000-6-2; EN61010-1
2
3
4
5
6
0
0
0
0
0
1
0
1
0
1
1
1
0
0
0
1
1
0
1
1
Bipolar (Mittelwert)
50 A
0
1
7
8
0
1
0
1
25 A
1
3
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