Installation
Operating Manual EM-PQ 2300
15
Installation can be further simplified with the optional
DIN rail bus
connector
, which can be obtained from the manufacturer,
Phoenix
Contact,
with the order code
HBUS 161,6-16P-1S BK, Article No.
2278555.
This enables the bus connections of the EM-PQ 2300 Power
Quality Analyzer or EM-MC 2200 Maximum Optimizer instruments
mounted next to each other on the same DIN rail to be automatically
connected to each other. It is therefore no longer necessary to wire these
connections separately from instrument to instrument, significantly
reducing the costs of installation.
The instruments are connected to the:
-
FRAKO Starkstrombus
-
Display bus, including the Display instrument power supply
5.1.1 Instrument power supply
DANGER!
To avoid accidents, the following must be observed:
The safety instructions in
Section 5, Installation, page 12
When work is carried out on the instrument terminals and connecting cables, there is a risk of live
components being touched inadvertently. The working voltage may present a hazard to health or
may even be life-threatening.
Observing the above safety precautions can significantly reduce the risk to life and limb and
potential damage to equipment.
The instrument power supply is 90
–267 V AC, frequency 45–65 Hz, or 100–360 V DC
(absolute limits). It is connected to terminals
L
and
N
as shown in the diagrams
Figure 5
or
Figure 6, page 14.
CAUTION!
The cables leading to the instrument must be permanently connected. It is not permitted for these
to have plug-in connections.
- An external disconnecting device, such as an isolator or circuit breaker, must be fitted in the
power supply line to the instrument. This must be located in the vicinity of the EM-PQ 2300 and
must be able to isolate both the L1 and N cables. It must be suitable for this application, comply
with the requirements of IEC 60947-1 and IEC 60947-3, and be appropriately labelled as a
disconnecting device for the EM-PQ 2300. This device must not disconnect the earthing
conductor.
5.1.2 Measurement connections
5.1.2.1 Voltage measurement
The EM-PQ 2300 can measure five AC voltages, whose respective inputs are electrically interconnected via high
resistances. See
Section 2, Technical data, page 7
for the measurement ranges.
DC voltages cannot be measured.
The voltage measurement inputs of the EM-PQ 2300 are intended for 110
–600 V AC networks.
It is possible to measure medium voltages using an x/100 V transformer.
Note:
A
690 V MEASUREMENT RANGE EXTENSION KIT
(
Article No. 20-30243)
is available for the direct
measurement of voltage in 690 V AC networks.
If the 690 V measurement range extension kit is used, a
voltage transformer factor of 1.5
must be entered
when the instrument parameters are configured.
