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EMU

Electricity Measurement Units

User Manual

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Содержание EMU Series

Страница 1: ...EMU Electricity Measurement Units User Manual ...

Страница 2: ...atasheet or in any other disclosure relating to any product In the interest of continuous product development the Decode reserves the right to make improvements to this manual and the products described in it at any time and without prior notification or obligation The use of the product is at sole discretion of the user Decode cannot be held responsible for any damages arising due to use of this ...

Страница 3: ...g Register 9 5 1 2 Function 06 Preset Single Register 10 5 1 3 Function Error 11 5 2 Internal Modbus memory map 12 6 Technical characteristics 13 6 1 Common characteristics of EMU V3 C3 A3 13 6 2 EMU V3 Three phase AC voltage 13 6 3 EMU C3 Three phase AC current with CT 13 6 4 EMU A3 TTT 3 x analogue input 14 6 4 1 Type T 0 14 6 4 2 Type T 1 14 6 4 3 Type T 2 14 6 4 4 Type T 3 14 6 4 5 Type T 4 14...

Страница 4: ...terconnected equipment PC and power supply units PSU shell comply with requirements of standard IEC 60950 1 2005 A1 2009 A2 2013 Power supply must have SELV output and for security reasons connection must include series 1A fuse protection Access to terminal block connections must be checked and restricted in the end installation using potential hazardous voltage Installation and technical support ...

Страница 5: ...ument version Version FW HW Date Note v1 0 v1 00 Rev 141014 09 12 2014 Initial version v1 1 v1 00 Rev 060315 26 01 2015 Corrections of registry data types v1 2 v1 00 Rev 060315 05 04 2020 Formating to new template www decode rs 5 15 EMU_UM_V12_05042020 pdf ...

Страница 6: ...re sensors and DC currents and voltages may be performed It is intended for mounting on DIN rail 35mm The data is served over an RS485 bus which enables multiple transducers to communicate thru a single master connection These advanced sensors are ideal for entire plant or zone monitoring The measuring part is galvanically separated up to 3kV DC There are three basic variants V3 for AC voltage C3 ...

Страница 7: ...V3 C3 and A3 KS1 and KS2 jumpers should be connected only if RS 485 line termination is required At smaller distances termination is not required At distances greater than 100m and in conditions of major interference termination is required on the slave device that is located at the end of the line www decode rs 7 15 EMU_UM_V12_05042020 pdf Picture 2 Dimensions Picture 3 Wiring schematics ...

Страница 8: ...powering on the device Unit switches on and after a while LED ON starts to flash in one second cycle Then the button can be released In SETUP mode the serial speed format and modbus address are automatically adjusted to 9600 bps no parity and 1 regardless of the preset from non volatile memory To modify values in registers 40008 to 40017 the modbus function 06 Preset single register is used Regist...

Страница 9: ... Supported functions 5 1 1 Function 03 Read Holding Register The query consists of 8 bytes Make sure that only existing registers can be read Byte Field name Content 1 Device address x 2 Function 3 3 Register address Hi x 4 Register address Low x 5 Register number Hi x 6 Register number Low x 7 CRC error check Lo x 8 CRC error check Hi x The response consists of n 5 bytes n is from 2 to 34 so the ...

Страница 10: ...s x 2 Function 6 3 Register address Hi x 4 Register address Low x 5 Register number Hi x 6 Register number Low x 7 CRC error check Lo x 8 CRC error check Hi x The response consists of 8 bytes Byte Field name Content 1 Device address x 2 Function 6 3 Register address Hi x 4 Register address Low x 5 Register number Hi x 6 Register number Low x 7 CRC error check Lo x 8 CRC error check Hi x www decode...

Страница 11: ...ld name Content 1 Device address x 2 Function 8 3 Error code 1 2 3 or 4 4 Register address Low x 5 Register number Hi x Error code may have folowing values 1 Function code not supported 2 Reading registers out of range 40017 3 Number of registers out of range 17 4 Function execution error www decode rs 11 15 EMU_UM_V12_05042020 pdf ...

Страница 12: ...ltage x10mV 0 not in use 40007 6 0 not in use Frequency x0 01Hz 0 not in use 40008 7 CT1 span calibration L1 span calibration IN1 span calibration 40009 8 CT2 span calibration L2 span calibration IN2 span calibration 40010 9 CT3 span calibration L3 span calibration IN3 span calibration 40011 10 0 not in use L12 span calibration IN1 offset calibration 40012 11 0 not in use L23 span calibration IN2 ...

Страница 13: ...lastic DIN 35mm rail mounting Dimensions 35 x 88 x 57 mm Isolation 3000V DC 6 2 EMU V3 Three phase AC voltage Measured parameters AC voltage L1 L2 L3 L12 L23 L31 frequency Measurement type True RMS frequency is measured indirectly by measuring the signal period Measurement range L1 L2 L3 0 250V AC rms L12 L23 L31 0 500V AC rms Frequency 20 70Hz Resolution Voltage 10mV rms Frequency 0 01Hz 6 3 EMU ...

Страница 14: ...0 Ω Measurement range 0 25mA DC Resolution 0 001mA 6 4 2 Type T 1 Measured parameters PT100 Measurement range 50 ºC 150 ºC Resolution 0 01 ºC 6 4 3 Type T 2 Measured parameters PT1000 Measurement range 50 ºC 150 ºC Resolution 0 01 ºC 6 4 4 Type T 3 Measured parameters 0 5V DC Measurement range 0 5V DC Resolution 1mV 6 4 5 Type T 4 Measured parameters 0 10V DC Measurement range 0 10V DC Resolution ...

Страница 15: ... to local laws and regulations Because this product contains electronic components it must be disposed of separately from household waste When this product reaches its end of life contact local authorities to learn about disposal and recycling options or simply drop it off at your local Decode office or return it to Decode 9 Contact Please contact a Decode office if you have any questions regardin...

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