Iskra MT 511 User Manual page 19

CONNECTION
User's Manual
Connection of auxiliary power supply 
Measuring transducer has universal (AC/DC) auxiliary power supply. Information on electric
consumption is given in chapter Technical data. Auxiliary supply is connected through three screw-in
connectors. It can be either LOW (19 VDC – 70 VDC; 48 VAC – 77 VAC) or HIGH (70 VDC – 300 VDC; 80
VAC – 276 VAC), which should be chosen at placing the order.
According to power supply voltage specification on the label, choose and connect the power supply
voltage:
WARNING!
For safety purposes it is important that all three wires (Line, Neutral and Protective Earth) are
firmly connected. They should be connected only to the designated terminals as shown on the
label above as well as on the front foil.
Connection of universal power supply (LOW) to terminals
13, 14 and 12
Connection of universal power supply (HIGH) to terminals
13, 14 and 12
13