DCPSE converters are devices that measure the power consumption of the connected equipment. The function of the device is similar to an electricity meter, but the device is not equipped with a display. Using the data connection (RS-485), the total consumption (Wh), instantaneous consumption (W), voltage and current of the loads can be read from the device.
The instruments are capable of measuring in both positive and negative branches of the distribution system, in both voltage polarities. The device can be configured so that the reverse brake is applied (i.e. when the polarity of the current is reversed – when the load acts as a source, e.g. for batteries – this energy is not added to the total consumption).
A four-quadrant version of the instrument is available at an additional cost, which stores the total consumption in each polarity (direction) of current and voltage in separate counters.
The instruments are normally manufactured without a display, equipped with a galvanically isolated RS-485 communication interface. The communication protocol is either ASCII line protocol or SPINEL binary protocol according to Papouch specification (SPINEL by default, please specify ASCII in the order). MODBUS communication is also available at an additional cost.
Another interface of the instrument is the standard S0 galvanically isolated pulse output.
In case it is appropriate to equip the device with a counter (e.g. if only one unit is installed or if there is no central control system), we also supply separate counters for mounting in the panel of the switchboard or on a DIN rail. These counters are connected to the S0 output of the instrument.
The devices are manufactured in DIN rail version, 35 mm wide (2 circuit breakers). Further technical details and a description of the SPINEL communication protocol are given in the download section at the bottom of the page.
The standard current ranges in which the device can be ordered are:
- 1 A
- 5 A
- 10 A
- 20 A
- 50 A
- for connection of an external shunt (can be used for currents up to 1000 A, must be set for the range at the factory)
The standard voltage ranges in which the instrument can be ordered are:
- 12 V nominal (9 – 18 V)
- 24 V nominal (18 – 36 V)
- 48 V nominal (36 – 72 V)
- on request with external power supply 5/12/24/48 V – the instrument then measures from 0 to 72 V
- for higher voltages use STELM meters
The devices can be supplied with Wago clamps or screw terminals for connecting wires with a cross section of up to 16 mm2.