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15
EN
When connecting the tariff-switching signal to
an external voltage source, a note conforming
to national regulations must be attached (e.g. in
form of a sticker).
The activation of the tariff-switching signal is carried out in
the service interface.
The maximum available current for main tariff and off-peak
tariff is set in the MENNEKES Charge App.
5.6.4 Connection via RS-485 bus
If several devices are controlled via a higher-level backend
system e.g. chargecloud, the devices must be connected
via an RS-485 bus with a MENNEKES ACU. The bus cable
is connected to the HCC 3 via a supplied connector with
double connection.
To control multiple devices, the wiring must be
located in line bus topology.
MENNEKES recommends the following cables for
the RS-485 bus:
For installation in the ground: Siemens
PROFIBUS line, underground cable 6XV1830-
3FH10 (manufacturer EAN 4019169400428).
For installation without mechanical stress:
Siemens PROFIBUS line 6XV1830-0EH10
(manufacturer EAN 4019169400312).
When using the recommended cables, trouble
free operation at bus lengths up to 300 metres
can be expected.
f
Strip the bus line (
3
) of the previous ACU or SCU and
expose the shields.
f
Connect shields from (
3
) to terminal C of the connector
with double connection (
2
).
f
Connect single cores from (
3
) to terminals A and B
(example for Siemens Profibus cable: green wire to ter-
minal A, red wire to terminal B, gray wire to terminal C).
Terminal Description
A
Bus signal A
B
Bus signal B
C
Reference level
f
Connect the bus line of the following SCU (
4
) analo-
gously to (
3
).
f
Insert the plug connector (
2
) into the corresponding
plug strip (
5
) on the HCC 3 (
1
).
f
Connect to the previous or subsequent ACU or SCU in
the same way.
Fig.: 15. Connection of the RS-485 bus
A B C
1
4
2
3
5
Содержание AMTRON Premium E
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