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Description of the EV - PLCC - AC1 - DC1
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3 Description of the EV - PLCC - AC1 - DC1
3.1 General description of the controller
The EV - PLCC - AC1 - DC1 is a programmable controller for controlling charging stations for
electric vehicles.
IEC 61131 control perfor -
mance
The controller is fully configured and programmed in accordance with IEC 61131 using the
PC Worx automation software. PC Worx can be operated via the network (Ethernet). The
powerful processor can be programmed in all five IEC 61131 programming languages and
ensures quick control task processing.
Ethernet interfaces Two Ethernet interfaces are available. The Ethernet interfaces are switched internally.
RS-232 interfaces The controller features two RS-232 interfaces. Connections to peripheral devices can be
established via these interfaces.
RS-485 interfaces An RS-485 network of several peripheral devices can be established via the two RS-485 in -
terfaces.
CAN bus interface A CAN master interface is available for controlling CAN bus devices. Connections to several
peripheral devices can be established via this interface. In addition, the interface can be
used for communication between the charging station and electric vehicle in accordance
with CHAdeMO or GB/T 27930.
Interface for AC charging The controller features an interface for AC charging of an electric vehicle. The interface pro -
vides the following functions:
– Evaluation of signal contacts to the charging connector (Proximity Plug) and to the ve -
hicle (Control Pilot) in accordance with IEC 61851-1, Annex A
– Control of the charging connector locking and associated checkback contacts
– Input for connecting a Pt 1000 temperature sensor or a PTC chain for monitoring the
charging connector temperature
– Relay contact for connecting the charging contactor
Interface for DC charging The controller features an interface for DC charging of an electric vehicle. The interface pro -
vides the following functions:
– Evaluation of signal contacts to the charging connector (Proximity Plug) and to the ve -
hicle (Control Pilot)
– Communication between the charging station and electric vehicle in accordance with
DIN SPEC 70121
– Inputs for connecting two Pt 1000 temperature sensors for monitoring the charging con -
nector temperature
– Relay contact as a floating contact for charging enabled
SD card The SD-FLASH-2GB-EV-EMOB SD card (Order No. 1624092, see “Ordering data” on
page 62 ) is required to operate the controller. The SD card contains the license key for e-
mobility function block libraries. You can save programs and configurations belonging to
your project on the SD card.
Cellular networks Thanks to the integrated cellular modem, the controller can communicate with a backend
via OCPP over the cellular network.