Specifications

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BuildingAutomation
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CTUx601 - Input/Output Card
Input/Output card for BACnet or Modbus
communication net
The CTU-x601 is an Input/Output (I/O) card
for BACnet, Modbus or Maxinet communication
network, designed to control various devices
from the Building Automation Server/Application.
General Features
y Main supply: 24VAC, 110VAC or 230VAC
y RS-485 Communication port – Available in BACnet,
Modbus and proprietary Maxinet protocols.
* CTU2601 Family – BACnet protocol (BTL Certified)
* CTU4601 Family – Modbus protocol
* CTU1601 Family – Maxinet proprietaryprotocol
y 8 x Digital Inputs – voltage free – dry contact
y 3 x Temperature Sensor inputs 50K @ 77°F
y 8 x Digital Outputs – Available in either 24VAC,
110VAC or 230VAC
y 2 x Analog Outputs, 0-10VDC
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
N L
DO1 DO2 DO3 DO4 DO5 DO6 DO7 DO8
DI1 T1 0 T2 0 T3 0 AI1 0
Main Supply
24VAC
DI1 0 DI3 0DI2 DI5 0DI4 DI7 0DI6 DI8
24VAC, 0.5A each
Normally open
A BAI2
AO1 0 AO2
0-10VDC