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Structure of the MotorController
Sizes & Versions
The WCC 310 and WCC 320 MotorControllers are available in two different versions namely a Standard and a Plus version.
This installation instruction only deals with the Plus versions. Please see separate installation instruction for the Standard
versions of WCC 310 and WCC 320.
Cards
Each MotorController contains a power supply unit (SMPS), either a WCA 3P3 or a WCA 3P4 for the 10A or 20A version
respectively, as well as a 5W auxiliary power supply. Aside from the power supply unit the Plus version also includes a main
control card type WCA 3CP, which includes a touch screen for easy configuration of the MotorController. Motor line and input
cards, as well as fiedbus cards, can be added to the MotorController depending on requirements.
Selection of cards
The Main control card type WCA 3CP allows connections of 2 motor lines and 2 keypads. If more than 2 motor lines or 2
keypads are required, the necessary cards can be added.
Cards:
-
WCA 3M4 motor line card, allows additional 4 motor lines.
-
WCA 3M8 motor line card, allows additional 8 motor lines.
-
WCA 3KI input card, allows additional 10 keypads (requires WCA 3M4 or WCA 3M8).
A fieldbus card must be added, if communication via KNX or BACnet is required.
Fieldbus cards:
-
WCA 3FK fieldbus card, fieldbus interface for KNX
-
WCA 3FM fieldbus card, fieldbus interface for BACnet / MSTP
-
WCA 3FB fieldbus card, fieldbus interface for BACnet IP
Installation of cards may only be done when there is no power on the MotorController. Motor line and input cards are ordered
together with the MotorController and mounted to the MotorController from the factory side, whereas the fieldbus cards are
delivered as individual products and are to be mounted by the customer
– see separate installation manual for mounting of
fieldbus card.
The item no. of the MotorController specifies the type and mounting of the cards - see "Variants of MotorController" for more
information
Motor groups and motor lines
A motor group consists of one or more motor lines and all the motor lines are operated simultaneously.
The motor lines on both the main control card (WCA 3CP) and the motor line cards (WCA 3M4 or WCA 3M8) can all be
configured for either a ±24V standard actuators or MotorLink
®
actuators. A motor group can contain motor lines with both ±24V
standard actuators and MotorLink
®
actuators, whereas a motorline only can have ±24V standard or MotorLink
®
actuators
connected.
Adding MotorControllers
The natural ventilation installation can be expanded by adding more MotorControllers and creating a master/slave connection
among them. The master/slave connection is done directly on the WSA 3CP card. The total cable length between 2
MotorControllers must not exceed 200m.