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User Manual – Gavazzi Power Meter

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1. Carlo Gavazzi EM21 Energy Meter This energy meter measures 3 phase voltage current power and frequency These devices must be installed by a suitably qualified person Refer to included data sheet for more information 3 ph 4 wire unbalanced load Fig 1 Step 1 Power Meter wiring 4 A K K CNAN ANA N kd 1 Refer to the included EM21 72D datasheet and reverse page u i of this install guide ot i 2 CT s are polarity sensitive Refer to the arrow on the CT sticker for current flow P1 indicates the source Orientated on source mains side P2 indicates the destination Orientated on user side 3 CT connection Step 2 Power Meter Setup Refer to Programming Guide 1 Set CT ratio on power meter 2 Set unique address of all meters on the network Start from address 1 3 Confirm power meter operational using the LCD to confirm voltage and power on connected phases Step 3 RS485 connection to MeterLink or LiveBase v Al 5 B A KVA at cle GQ V ALS5I9 0 v V ALS65 0 v z d Aar g 1 Connect the AllSolus device to the power meters using the following pinouts Multiple power meters Mea Ea can be connected to one MeterLink or LiveBase All mene PKS TY meters must have unique addresses as setup in ee ee step 2 FS ee i AllSolus Power Sensors 4 Carlo Gavazzi Meters Step 4 Confirm the Calculation Channel has been enabled ooo Device RS485 P
2. inouts 1 Connect to the AllSolus device using the configuration LiveBase a Aurora Carlo software S Gavazzi 2 Click Calculation Map from the tabs Calton Map Signal B 2 R 3 3 Using a spare Calculation Engine select RS485 Gavazzi sisma A 7 IR 4 EM21 input and select the output information type Ground O 5 RIN 13 4 Click Write if changes made 5 Confirm values are correctly read back after writing 6 Confirm RS485 LED is on indicating successful communication to meter Calculate From Input RS485 Gavazzi EM21 RS485 Gavazzi EM21 Map to Output Black Power Black Power z Instant Value 0 Total Today 0 0 eo o Soret AllSolus Product names mentioned may be trademarks or registered SimplySmarter e e trademarks or a trade name of their respective owner

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