Downgrade When Using An Energy Meter; Type Siemens Pac2200 - Mennekes AMTRON Professional+ 7,4 Manual De Instrucciones Y De Instalación

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u Press the F2 key and navigate to "Settings".
u Press the F4 key to open "Settings".
u Press the F3 key several times and navigate to
"Communication".
u Press the F4 key to open "Communication".
u Press the F4 key to open "Modbus TCP".
u Press the F3 key and navigate to "IP: IP address
of the meter". Make a note of the IP address of
the energy meter.
u Press the F3 key several times and navigate to
"Modbus Port". Make a note of the port number
of the energy meter.
u Press the F1 key 4 times to close the menu.

6.10.2Downgrade when using an energy meter

type Siemens PAC2200

The tasks described in this section may only
be carried out by a qualified electrician.
Requirement(s):
ü The external energy meter type Siemens
PAC2200 was integrated in the network and
configured.
1 "6.10.1 Connecting an external energy meter"
[} 29]
The digital input of the energy meter can be used
as a downgrade input to reduce the current for a
single charging point or a charging point network.
There are two options for controlling the digital in-
put:
n via an external 12 V DC or 24 V DC control sig-
nal
n via a coupling relay and an additional power
supply
Control via an external 12 V DC or 24 V DC
control signal
The control signal can be generated, for example,
by an external load shedding relay or an external
timer. As soon as the 12 V DC or 24 V DC control
32
signal is applied to the digital input, the charging
current is reduced according to the set configura-
tion.
u Connect the external control system to terminal
12 of the digital input.
Control via a coupling relay and additional power
supply
The digital input can be controlled with a coupling
relay (S0) and an additional power supply (1).
S0
+ -
1
Fig. 16: Control via a coupling relay and additional
power supply
1
External power supply, max. 30 V DC
u Connect the external control system to terminal
12 of the digital input.
Configuration in the web interface of the ECU
u Navigate to the menu "Load Management" >
"Dynamic Load Management" and set the fol-
lowing parameters:
Parameter
Meter Digital Input Con-
fig
Meter Digital Input Cur-
rent Offset (L1/L2/L3) [A]
u Click the "Save" button to save the setting(s).
Terminal 12 (DI+)
(external energy
DI+
meter)
Terminal 12 (DI-)
DI-
(external energy
meter)
Setting
u Select "On".
The value by which the
upper current limit for
load management
(parameter "Operator
EVSE Sub-Distribution
Limit (L1/L2/L3) [A]") is
reduced as soon as the
digital input is ener-
gised.

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