Eltako 28305515 DSZ15WDM-3x5A MID calibrated M-Bus converter meter

Only calibrated meters are permitted for electricity billing in accordance with Section 25 of the German Calibration Act. Failure to comply is an administrative offence in accordance with Section 19. M-Bus converter three-phase meter with adjustable converter ratio and MID. Maximum current 3x5A, standby loss only 0.5 watts per path. Series-mounted device for mounting on DIN-EN 60715 TH35 mounting rail. 4 division units = 70mm wide, 58mm deep. Accuracy class B (1%). With M-Bus interface. This three-phase meter measures the active energy based on the currents flowing through the converters. The internal consumption of only a maximum of 0.5 watts of active power per path is not measured and is not displayed. 1, 2 or 3 converters with secondary currents of up to 5A can be connected. The starting current is 10mA. The N connection must be present. The 7-segment LC display can be read twice within two weeks even without a power supply. The power consumption is shown with an LED that flashes 10 times per kWh. To the right of the display are the MODE and SELECT buttons, which are used to scroll through the menu as per the operating instructions. First, the background lighting switches on. Then the total active energy, the active energy of the resettable memory and the instantaneous values of power, voltage and current for each outer conductor can be displayed. The converter ratio can also be set. It is set to 5:5 at the factory and locked with a bridge over the connection terminals marked JUMPER. The converter ratio is adapted to the installed converter by removing the bridge and resetting it as per the operating instructions. It is then locked again with the bridge. The converter ratios 5:5, 50:5, 100:5, 150:5, 200:5, 250:5, 300:5, 400:5, 500:5, 600:5, 750:5, 1000:5, 1250:5 and 1500:5 can be set. Error message (false): If the outer conductor is missing or the current direction is incorrect, false and the corresponding outer conductor are shown in the display. M-Bus data transfer: When reading out, all values are transferred in one telegram. The following telegrams are supported: Initialization: SND_NKE, Response: ACK, Read meter: REQ_UD2, Response: RSP_UD, Change primary address: SND_UD, Response: ACK, Reset RS1: SND_UD, Response: ACK, Slave selection for the secondary address, Response: ACK, The device does not respond to unknown queries. The transmission rate is automatically detected. The device has a voltage monitor. In the event of a voltage loss, all registers are saved in the EEPROM. Changing the M-Bus primary address: To change the M-Bus primary address, press and hold SELECT for 3 seconds. In the following menu, MODE increases the address by 10, SELECT increases it by 1. When the desired primary address is set, wait until the main menu appears again. Secondary address: Using the secondary address, it is possible to communicate with the energy meter in accordance with the EN13757 standard. Wild cards can be used. Detailed information can be found at www.eltako.com in the operating instructions. Attention! Before working on the current transformers, disconnect the meter's voltage paths.