Table 3-1 XCA203W-4 controller connection descriptions. (continued)
Terminal № and
designator
Type
Description
11 DO1b
12 DO2b
13 DO3b
15 DO4b
16 DO5b
17 DO6b
Digital output b
Mosfet output used for e.g. valve, 3-speed fan, blinds, or lighting control, or for
alarms or forced ventilation.
20 AGND
23 AGND
30 AGND
45 AGND
Analog ground
Signal ground for analog inputs and outputs.
21 AI1a
22 AI2a
24 AI3a
25 AI4a
Analog input a
Input used for e.g. change-over detection or for temperature, CO
2
, condensa-
tion, or relative humidity sensor.
31 CI1a
32 CI2a
Condensation input a
Input dedicated for Regin’s condensation detector KG-A/1.
Ethernet communication port
8P8C modular connector used for Ethernet - TCP/IP communication.
40 AO1a
41 AO2a
42 AO3a
43 AO4a
Analog output a
Output used for e.g. valve, damper, or EC fan control.
50 GND
53 GND
Digital ground
Signal ground for digital inputs.
51 DI1b
52 DI2b
54 DI3b
55 DI4b
Digital input b
Input used for e.g. presence, open window, or change-over detection.
Ext. Disp.
External display communica-
tion port
4P4C modular connector used for communication with an ED-RU-... room
unit.
60 E
61 N
62 A
63 B
RS485 communication port
RS485 connector used for communication via BACnet, or for master/slave
communication via Exoline or Modbus.
This connection is not galvanically isolated.
70 E
71 N
72 A
73 B
RS485 communication port
RS485 connector used for communication via BACnet, or for master/slave
communication via Exoline or Modbus.
This connection is galvanically isolated.
12
EXOcompact Ardo, Eedo and Vido manual, Rev.
B
