Specifications
28
BuildingAutomation
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CTU2646 - Input/Output Card
Input/Output card for BACnet or Modbus
communication net
The CTU2646 is an Input/Output (I/O) card
for BACnet or Modbus communication
protocols, designed to control various devices
from the Building Automation Server/Application.
General Features
y Main supply: 110VAC or 230VAC
y RS-485 Communication port - BACnet (BTL certified)
or Modbus operation selectable by DIP switch
y 12 x Digital Inputs – voltage free – dry contact
y DI12 digital input can be converted to 24V Input -
jumper selectable
y 4 X Digital outputs (Change Over)
y Selectable Digital outputs configuration - N.O/N.C
y Easy connection to DIN Rail
y MAC Address selection by DIP Switches
Note: 24VAC to Dry contact Adaptor can be supplied
upon order.
Wiring Diagram










