Entes MPR-45 - Terminal Structure

9
Up Button (12) : It has 2 main functions:
 While on measuring screen: As seen on the symbols (THD H) above the button, it is used to
browse between THDV, THDI and individual harmonic measurement screens.
 While on menu screens: It is used to browse between menu options and to increase a value
during adjustment.
SET Button (13) : It has 3 main functions:
 It provides access to menu screens when pressed for 3 seconds. When the PIN is active, a
password is asked before entering the menu. After the correct password is entered, access
to menu is allowed.
 It is used to reach the desired adjustment screen and to save the changed settings. Pressing the
button is enough for this operation.
 While on measuring screen: It is used to browse between Min, Max, Demand and Max Demand
screens.
Terminal Structure
1) 45-265 VAC Supply Input 3 terminal connections (2 pins)
2) Current measuring input terminal block (8 pins): L1 L2 L3 ve N
3) Voltage measuring input terminal block (5 pins): L1 L2 L3 L4 (Earth) and N
4) RS-485 terminal block (4 pins)
Module Input:
 Digital Input/Output
4 digital outputs
4 digital inputs
 Relay Output
2 relay outputs
4 digital inputs
 Analog Output
2x 0/4 – 20mA circuit or
2x 0/2 – 10V circuit