Multifunctional measuring device SIRAX BM1250
Safety instructions
The unobjectionable and hazard-free operation presupposes that the
safety instructions as well as Device Manual, electronically down-
loadable via www.camillebauer.com, have been read and understood.
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
- that these product do not have internal fuses
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 BM1250 multifunctional power and monitoring meter is suitable for
fixed installation and measurement of the most important electrical parameters
in low-voltage installations. The measurement is designed for 1- or 3-phase net-
works with 2-, 3- or 4-wire connections. It measures electrical parameters such as
AC voltage, current, frequency, power, energy (active / reactive / apparent), phase
angle, power factor, individual harmonics (until the 31st harmonic) and many more.
Mounting
- Any mounting position is possible
- Devices with display are designed for panel mounting. The necessary panel cutout
and the required minimum distances are shown in figure 2. The device is inserted
from the front and fixed by either easy clips or two mounting brackets on the rear.
- Disassembly of the device requires that all connected wires be without current.
First, remove all push terminals and the wires of the current and voltage inputs.
Then, disassemble the device in the reverse order of mounting.
Electrical connections
A marked and easily accessible current limiting switch has to be
arranged in the vicinity of the device for turning off the power supply.
Fusing should be 10 Amps or less and must be rated for the availa-
ble voltage and fault current.
Attention: Danger to life! Ensure that all leads are free of potential
when connecting them!
All voltage measurement inputs must originate at circuit breakers
or fuses rated 1 Amp or less. This does not apply to the neutral
connector. You have to provide a method for manually removing
power from the device, such as a clearly labelled circuit breaker or a
fused disconnect switch.
When using voltage transformers you have to ensure that their
secondary connections never will be short-circuited.
No fuse may be connected upstream of the current measurement inputs!
When using current transformers their secondary connectors must be
short-circuited during installation and before removing the device. Never
open the secondary circuit under load.
Cross sections and tightening torques
Terminals 1 ... 14
Single wire: ≤ 4,0mm
or multiwire with end splices: 2 x 1,5mm
2
Torque: 0.5 ... 0.6Nm rsp. 4.42 ... 5.31 lbf in
4
Terminal RS485 and Relay terminal
Single wire: ≤ 1,5mm
Torque: max. 0.5 Nm rsp. 4.42 lbf in
The configuration of connections is contained in the connection diagram of Figure 3
(see page 10).
Technical data
Measurement inputs voltage
Nominal input voltage:
System PT primary values:
System PT secondary values:
Measurement inputs voltage
Nominal input current:
System CT primary values:
System CT secondary values:
Power supply
Nominal voltage:
Nominal frequency:
Auxiliary supply burden:
RS485 output
Protocol:
Baud rate:
Cable length:
Number of participants:
Relay output
Number of Relay:
Max Load voltage:
Max Load current:
Pulse rate:
Pulse duration:
Environmental conditions
Operating temperature :
Warm up time:
Relative air humidity:
Shock:
Vibration:
Altitude :
Device to be used indoor only!
Standards and safety
Protection class:
Installation category :
Pollution degree :
Protection :
Parameterization
Complete parameterising of all functions of BM1250 is possible via 3 push-but-
2
tons on site or via communication interfaces Modbus (RS485). The detailed
description of the configuration and parameterization of the device is described in
the device manual.
or multiwire with end splices: 2 x 0,75mm
2
Please observe that the data on the type plate (Fig. 1, see page 10)
must be adhered to !
The national provisions have to be observed in the installation and
material selection of electric lines!
100 V
... 600 V
LL
(57.5 V
... 346.42 V
LN
100 V
... 1200 kV
LL
100 V
... 600 V
LL
100 mA and 330 mV or 1A/5A
1 A ... 9999 A
1 A/5 A (programmable on site)
100 ... 550V AC/DC
45 ... 65Hz
< 6 VA
Modbus RTU
adjustable 57600, 38400, 19200, 9600, 4800
max. 1200m
< 32
2
250 VAC, 30 VDC
5 A
adjustable 10, 100 or 1000
60ms, 100ms or 200ms
–20 up to +70 °C
min 3 minute
< 95% without condensation
300 m/s
(30g) / 18 ms
2
10 ... 150 ... 10 Hz, 0.15 mm amplitude, 10
cycles per axis
≤ 2000 m max
II
CATIII
2
IP54 (front), IP20 (housing, terminals)
2
(programmable on site)
LL
)
LN
(programmable on site)
LL
(programmable on site)
LL