Module 96-PA-RCM / 96-PA-RCM-EL
www.janitza.de
28
Fig. Connection variant, residual current measurement using a
current transformer of type B.
Each residual current transformer of the series CT-AC/DC type
B+ RCM requires its own power supply (U = 24 VDC, residual
ripple < 5%, power = 24 W).
Electrically insulate the secondary sides of the power supplies
from each other (24 V DC)!
Fig. Connection example for residual current monitoring of a basic device with module
Fig. Connection variant, residual current measurement via
current transformer type A and type B.
Power supply: U = 24 V DC, residual ripple < 5%, power
= 24 W.
6.6 Connection example 1 -
Residual current measurement
6.7 Connection example 2 -
Residual current measurement
6.8 Connection example 3 - Residual current monitoring
L1
L2
L3
N
230 V
AC
24 V
DC
I5
4..20 mA
I6
e.g.:
Residual current trans-
former CT-AC-RCM
e.g.:
Residual current
transformer CT-AC/
DC type B+
L1
L2
L3
N
-
+
230 V
AC
24 V
DC
I5
4..20 mA
I6
e.g.:
Residual current
transformer CT-AC/DC
type B+
e.g.:
Residual current
transformer CT-AC/DC
type B+
4..20 mA
230 V
AC
24 V
DC
L1
L2
L3
N
L1
L2
L3
N
-
+
-
+
L1 L2 L3 N
I1
I2
I3
L1
L2
L3
PEN
N
PE
M
3~
I5
I6
I4
Residual current
transformer
Residual current
transformer
Module connector
96-PA-RCM or
96-PA-RCM-EL
Basic device
