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Perry Electric 1SDSD05CEM2MID Complete Instructions

Mid modbus single-phase energy meter
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SINGLE-PHASE ENERGY METER
MID certified with Modbus output - 2 Mod. DIN
ENGLISH
PE - DESDNN017 12/24
Art. 1SDSD05CEM2MID
COMPLETE INSTRUCTIONS
PERRY ELECTRIC Srl
Via Milanese, 11
22070 VENIANO (Como) ITALY
MID
www.perry.it
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Summary of Contents for Perry Electric 1SDSD05CEM2MID

  • Page 1 SINGLE-PHASE ENERGY METER MID certified with Modbus output - 2 Mod. DIN ENGLISH Art. 1SDSD05CEM2MID COMPLETE INSTRUCTIONS www.perry.it PERRY ELECTRIC Srl Via Milanese, 11 22070 VENIANO (Como) ITALY PE - DESDNN017 12/24...

  • Page 2: Safety Instructions

    Introduction 1SDSD05CEM2MID with white back-lighted LCD screen for prefect reading is used to measure single-phase like residential, utility and industrial application. The unit measures and displays various important electrical parameters, and provides a communication port for remote reading and monitoring. Bi-directional energy measurement makes the unit a good choice for solar PV energy metering.

  • Page 3: General Specifications

    PART 1 - Specifications and electrical connections General Specifications Voltage AC (Un) 230V~ Voltage Range 80% 120% Un ÷ Base Current Iref) 10A AC Max. Current (Imax) 100A AC Min. Current (Imin) 0,5 AC Starting Current 0,4% di Ib (Iref) Power Consumption ≤...

  • Page 4: Pulse Output

    Environment Operating temperature da - °C a + °C Storage and transportation temperature da -40°C a +70°C Reference temperature 23°C ± 2°C Relative humidity 0 to 95% on-condensing Altitude up to 2000m Warm up time Installation category CAT III Mechanical Environment Electromagnetic environment Degree of pollution Pulse Output...

  • Page 5: Installation

    Dimensions Installation The digital energy meter has to be installed in switchboards granting an protection degree of at least IP51 or superior. Electrical wiring Make sure that the 230V mains power supply is disconnected before proceeding with installation or maintenance. Terminals Capacity and Screw Torque Terminals Pulse...

  • Page 6: Part 2 - Operation

    PART 2 - Operation INITIALIZATION DISPLAY When it is powered on, the meter will initialize and do self-checking. Full screen Software version Hardware version Self-test ok BUTTON FUNCTIONS There are two buttons on the front panel: Scroll the display for data-check “Scroll”...
  • Page 7 Scroll display by Button After initialization and self-checking program, the meter display the measured values. The default page is total kWh. If the user wants to check other information, he needs to press the scroll button on the front panel. The display order by scroll button Total kWh esettable kWh...
  • Page 8 Current xample : 10.505A Power Example: 8888W Apparant power Example: 2908 VA Max. Active Power demand Example: 508W Power Factor Example: 1.000 Frequency Example: 50Hz...
  • Page 9 SET-UP MODE To get into Set-up Mode, the user need press the “Enter” button per 3 secondi. Display Descriptions PASSWORD To get into Set-up mode, it asks a password con rmation. Press the “Scroll” button to change and "Enter" to con rm. Default password: 1000 Address ID Default ID is 001...
  • Page 10 Stop Bit Default: 1 Option: 1,2 Press the “Enter” button, the read part will ash. Press the “Scroll” button to change the option. After choosing the stop bit, the user needs to press the “Enter” buttong to con rm the setting.
  • Page 11 Pulse Duration Default: 100mS Option: 200 / 100 / 60 ms Press the “Enter” button, the red part ash. Press the “Scroll” button to change the option.After choosing the new Pulse duration option, the user needs to press the “Enter” button to con rm the setting.
  • Page 12 Press the “Enter” button, the red part ash. Press the “Scroll” button to change the option. After choosing the new “Scrl” option, the user needs to press the “Enter” button to con rm the setting. Password Default: 1000 Press the “Enter” button, the red part ash. Press the “Scroll”...

  • Page 13: Part 3 - Modbus Protocol

    PART 3 - MODBUS Protocol 1. Perry Smart Meter Modbus Protocol Implementation 1.1 Modbus Protocol Overview This section provides basic information for interfacing the Perry meter to a Modbus Protocol network. If background information or more details of the Perry implementation is required, please refer to section 2 and 3 of this document.

  • Page 14: Address (Register)

    Data Coding All data values in the meter are transferred as 32 bit IEEE754 floating point numbers, (input and output) therefore each meter value is transferred using two Modbus Protocol registers. All register read requests and data write requests must specify an even number of registers.
  • Page 15 30019 Apparent power Float 30025 Reactive power Float 30031 Power factor Float 30037 Phase angle Degree Float 30071 Frequency Float 30073 Import active energy Float 30075 Export active energy Float 30077 Import reactive energy kVArh Float 30079 Export reactive energy kVArh Float 30085...
  • Page 16 1.3 Modbus Protocol Holding Registers (Setup logs) and Digital meter set up Holding registers are used to store and display instrument configuration settings. All holding registers not listed in the table below should be considered as reserved for manufacturer use and no attempt should be made to modify their values. The holding register parameters may be viewed or changed using the Modbus Protocol.
  • Page 17 Ranges from 1 to 247. Default ID is 1 40021 Float Length: 4byte Modbus Write pulsa rate index n=0 to 3 0 0.001 kWh/imp (default) 40023 Pulse 1 Rate Float 1 0.01 kWh/imp 2 0.1 kWh/imp 3 1 kWh/imp Length: 4 byte Read meter Password orWrite password for access to 40025...
  • Page 18 0 = reset demand info Reset 461457 3 = reset the resettable energy historical data Length: 2 byte 0 0.001kWh/imp (default) 1 0.01kWh/imp 2 0.1kWh/imp 463761 Pulse 1 output 3 1kWh/imp Length: 2 byte 1= import 2=import + export Measurement (default) mode 3=import - export...
  • Page 19 2 Rs485 General Information Some of the information in this section relates also to other families of digital meters and is included to assist where a mixed network is implemented. RS485 or EIA (Electronic Industries Association) RS485 is a balanced line, half-duplex transmission system allowing transmission distances of up to 1.2 km.
  • Page 20 2. - 1 Connecting the Instruments You must use a shielded twisted pair cable. For longer cable runs or noisier environments, use of a cable specifically designed for RS485 may be necessary to achieve optimum performance. All “A” terminals should be connected together using one conductor of the twisted pair cable, all “B”...

  • Page 21: Troubleshooting

    2.2 Troubleshooting Start with a simple network, one master and one slave. With Eastron Digital meter products this is easily achieved as the network can be left intact whilst individual instruments are disconnected by removing the RS485 connection from the rear of the instrument.
  • Page 22 3 MODBUS Protocol General Information Communication on a MODBUS Protocol Network is initiated (started) by a “Master” sending a query to a “Slave”. The “Slave“, which is constantly monitoring the network for queries addressed to it, will respond by performing the requested action and sending a response back to the ”Master”.
  • Page 23 Response The example illustrates the normal response to a request for a single floating point parameter i.e. two 16-bit Modbus Protocol Registers. First Byte Last Byte Slave Address: 8-bit value representing the address of slave that is responding Function Code: 8-bit value which, when a copy of the function code in the query, indicates that the slave recognised the query and has responded (See also Exception Response).
  • Page 24 Exception Response If an error is detected in the content of the query (excluding parity errors and Error Check mismatch), then an error response (called an exception response), will be sent to the master. The exception response is identified by the function code being a copy of the query function code but with the most-significant bit set.

  • Page 25: Read Input Registers

    3.2 MODBUS Protocol Commands supported All Perry Digital meters support the “Read Input Register” (3X registers), the “Read Holding Register” (4X registers) and the “Pre-set Multiple Registers” (write 4X registers) commands of the MODBUS Protocol RTU protocol. All values stored and returned are in floating point format to IEEE 754 with the most significant register first.
  • Page 26 3.3 Holding Register 3.3.1 Read Holding Register MODBUS Protocol code 03 reads the contents of the 4X registers. Example The following query will request the prevailing ‘Pulse output 1 Width’ Field Name Example (hex) Slave Address Function Code Start Address (Hi) Start Address (Lo) Number of Points (Hi) Number of Points (Lo)
  • Page 27 3. .2 Write Holding Registers MODBUS Protocol code 10 (16 decimal) writes the contents of the 4X registers. Example The following query will set the Pulse output 1 Width to 60 ms. Field Name Example (hex) Slave Address Function Code Start Address (Hi) Start Address (Lo) Number of Points (Hi)
  • Page 28 Conformity Declaration (MID) The Manufacturer, Perry Electric S.r.l. Via Milanese, 11 - 22070 Veniano (CO) Italia Tel. +39.031.89441 - www.perry.it Declare under our sole responsibility as manufacturer that the single phase active energy (kWh) indoor with the measurement range 230V~, 0.5-10(100)A, 50Hz,...

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