Description
The M553-CTXDC PowerCom is a multifunction dc power transducer, providing RS485 Modbus communication and a pulsed output in a 55mm DIN enclosure.
Application
The M553-CTXDC has a universal power supply which is suitable for AC or DC auxiliary voltages.
The M553-CTXDC covers a wide range of voltage inputs and current inputs. The current input can be up to 5 amps direct or any value using a mV input
Example: a shunt of 2000A DCwith 50mV output.
Parameters Measured
- DC Voltage (V)
- DC Current (I)
- DC Power (kW)
- DC Import Energy (kW.h)
- DC Export Energy (kW.h)
- DC Ampere Hours (A.h)
- DC Amp Demand (Ad)
- DC Max Amp Demand
- DC Power Demand (kWd)
- DC Max Power Demand
- DC Export Power Demand (kWd)
- DC Max Export Power Demand (kWd)
- Hours Run (Voltage based)tage based)
Ordering Information
| Information Required | Example |
| Product Code | M553-CTXDC |
| Nominal input current | 50mV |
| Nominal voltage | 800v |
| Auxiliary supply | 100-440V AC / 100-420V DC, optional 19-69V DC |
| Auxiliary supply | 100-440V AC / 100-420V DC, optional 19-69V DC |
| Option | Pulsed Output* |
If two pulse output required the RS485 will be removed
– relay to be confiqured at factory
Communication
The M553-CTX uses the well established Modbus protocol. This enables remote reading and programming of the M553-CTX using a host computer.
The RS485 network allows up to 32 units to be connected in parallel, enabling them to be used with PC, PLC, RTU, Data loggers and Scada programs.
The PowerCom’s communication port incorporates an auto-configure function which, when connected to an
existing Modbus network, will automatically detect the network’s parameters.
A red LED is provided to indicate that auxiliary power is present, and that the unit is communicating correctly.
Programming
The following can be programmed via the RS485 port: current inputs, voltage input, demand times, asign relay.
Software
MultiView set-up and monitoring software is available free of charge from our web-site.
Pulsed Output
An optional pulsed output can be ordered. The relay can be assigned to kW.h (import/export), A.h or it can be configured to act as set-point relay in an over, under or window mode.
General Specification
| INPUT | |
| Rated Un | Directly connected: 800V DC, 300V DC, 150V DC or 60V DC |
| Range | 2-120% Un |
| Overload | 120% Un |
| Rated In | mV DC, 1A DC or 5A DC |
| Range | 2-120% In |
| Overload | 120% In |
| Oveload | 2 x In for 1 second |
| ACCURACY | |
| Specified @ 23°C 10-100% Un, | 10-100% In |
| Parameters unless stated | Class 0.3% to IEC 688 |
| Volts and Amps | Class 0.25% to IEC 688 |
| Energy | 1% of reading to IEC 1036 |
| INSULATION | |
| Installation category | III |
| Degree of pollution | 2 |
| Rated impulse withstand voltage | IEC60947-1-V imp:4kV |
| Electrical security | IEC 61010-1 |
| Inputs + Aux to case | 3kV rms 50Hz for 1 min |
| Inputs + Aux to RS485 | 3kV rms 50Hz for 1 min |
| Inputs + Aux to relay | 1k5V rms 50Hz for 1 min |
| ELECTROMAGNETIC COMPATIBILITY | |
| Immunity to : Electrostatic discharges: | IEC 61000-4-2-Level III |
| Radiated radio-Hz fields: | IEC 61000-4-3-Level III |
| Electrical fast transient/bursts: | IEC 61000-4-4-Level III |
| Impulse waves: | IEC 61000-4-5-Level III |
| Conducted disturbances: | IEC 61000-4-6-Level III |
| Voltage dips & short interruptions: | IEC 61000-4-11 |
| Emissions to: Conducted and radiated | CISPR11-Class A |
| AUXILIARY | |
| Standard: | 100-440V AC/100-420V DC |
| Optional: | 19-69V DC |
| ENVIRONMENTAL | |
| Working Temperature | 0 to +60 deg C |
| Storage Temperature | -30 to +65 deg C |
| Temperature Coefficient | 0.01% per deg C |
| OPTIONS | |
| Solid-state, low voltage relay. | |
| Rated: | 100Vpk, 120mA |
| APPLIED STANDARDS | |
| General | IEC 688 BSEN60688 BS4889 IEC 359 |
| APPROVALS | |
| UL, C-UL, | Pending |
Dimensions (MM)
Connection Diagrams
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