Description Of The Connections; Important Notice - ABB CM-UFD.M21 Kurzanleitung

Up / Down button
Press shortly
Press for > 2 s
LEDs Allocation of the measured value (yellow)
LEDs
Lx and N ON
Lx and Ly ON
Lx flashing quickly
L1 flashing
Sealable button + LED
Press for > 2 s
LED red
LED green

Description of the connections

A1 and A2
11, 12, 14; 21, 22, 24
Δ φ 1 – Δ φ 2
Enable - input
Y0, Y1, Y2
Inputs, feedback contacts
V
Q
Q1...Q4
Q5
L1, L2, L3, N

Important notice

In the supply line in the vicinity of the device (easily accessible), a switch marked
!
as disconnecting device as well as an overcurrent protection element (rated current
≤ 6 A) have to be provided.
Document no. 1SVC 510 810 M0000 A4
(in display mode, normal state)
Change to the menu mode, display of alarm memory (Down) /
cumulative time of alarms (Up), additional pushing of Set button for ≥ 2 s
makes a reset of the stored values
Display of MAX (Up) / MIN (Down) measured values, additional pushing
of Set button for ≥ 2 s deletes the stored values
Measured value
Voltage (L1 against N, L2 against N, L3 against N)
Voltage (L1 against L2, L2 against L3, L1 against L3)
Vector shift (L1, L2, L3)
Frequency
Lock / Unlock
Settings and simulation mode are locked,
in case of setting attempts 8LOc
Setting and simulation enabled
Rated control supply voltage U
(any polarity)
Relay K1 and K2
Volt-free n/c contact
 8yoff.
8vsr. 8 8

on.
8vsr. 8 8 y 8
monitoring of feedback contacts Y1/Y2 off for use with generator (mains
synchronization)
 8stby.
8vsr. 8 8
 8yIy2.
8vsr. 8 8
off, vector shift off (mains synchronization)
Volt-free n/o or n/c contact, self-learning when switching on
Adjust the turn-on time of the section switch under 8trel.
switch-off if not used
Supply voltage for digital outputs, max. 27 V DC
Digital output over-/undervoltage/-frequency
Digital output Error, in Pr 3 + 4 additionally the 2nd threshold value
(Q1=U>; Q2=U<; Q3=f>; Q4=f<)
Phase L1, L2, L3 and neutral conductor
10 / 16
8 is displayed for 3 s
, see Technical Data
s
, no function
, E1-E2 closed: vector shift active but not evaluated,
, E1-E2 closed: K1 and K2 off (standby), vector shift off
, E1-E2 closed: monitoring of feedback contacts Y1/Y2
8 /