Module 96-PA-RCM / 96-PA-RCM-EL
www.janitza.de
32
CAUTION
Risk of injury or damage to the device due to
high measurement currents at the connections
of the current transformers or the current mea-
surement inputs of the device!
High measurement currents can cause tempera-
tures of up to 80 °C (176 °F) on the connections of
the current transformers
·
Use wiring that is designed for an operating
temperature of at least 80 °C (176 °F)!
·
The current transformers can be hot even
after the power supply has been switched off.
Allow the connections of the current trans-
formers and the connecting cables to cool
down before touching them!
·
When fastening the current transformers, ob-
serve the tightening torques for the module's
terminals!
·
Ground connections present on the sec-
ondary windings of the current transformers
must be connected to ground!
·
Observe the general safety information for
handling current transformers and devices
with residual current measurement in sec-
tion2.7 on Page 13.
·
Comply with the information and provisions
in the usage information of your current
transformers!
6.12 Current measurement input I4 –
neutral conductor measurement
S2
S1
L1
L2
L3
N
Consumer
Fig. Current measurement I4 via
Current transformer
I4
Because of the missing multiplier with a voltage,
only an apparent current measurement is per-
formed during the current measurement input I4
(terminals 35/36). Therefore, no power measure-
ments are possible using this input.
The current measurement input I4 of the basic
device with module:
·Is
only
approved for a current measurement
using a current transformer (
no
direct measure-
ment).
·Is designed for the connection of current trans-
formers with secondary currents of ../1 A and
../5 A.
·Has the current transformer ratio set to 5 / 5 A
by default.
·Measures alternating currents (
no
direct cur-
rents).
INFORMATION
Because of the missing multiplier with a voltage,
only an apparent current measurement is per-
formed during the current measurement input I4.
Therefore, no power measurements are possible
using this input.
The current transformer ratio of the I4 current
measurement input of your basic device with
module can be configured in the
user interface of
your basic device
or in the
GridVis
®
software.
