MiCOM P921/P922/P923 - Schneider - error

P92x/EN GS/F22Page 12/22Getting StartedMiCOM P921/P922/P9239. PRODUCT IDENTIFICATIONPrior to applying power, unclip and lift the top cover and check that the model number of therelay listed on the front panel (top left) corresponds to the model ordered.P92101SM101No.4000168 Cde : 44705/002Un = 57 – 130VacUa = 48 – 250Vdc/100 – 250Vac 50/60HzModbusFIGURE 3: TECHNICAL INFORMATIONThe significance of each information is described below :−−−−−P92101SM101: cortec code. In particular, this code allows the user to know what isthe protocol used for remote communications (code 1 means MODBUS).N°4000168 and Cde: 44705/002 : these numbers are the serial number and thereference of the order : they are necessary in case of problems.Un = 57 – 130V: voltage inputs range.Modbus: communication protocol available through the rear RS485 communicationport.Ua = 48 – 250 Vdc (100-250Vac): power supply range. In this example, the powersupply can be either ac or dc voltage.