Appendix A
Technical data
A.1 General data
Supply voltage
24 V AC (20.4…27.6 V AC)
Power consumption without load
< 1 W
Memory backup
Backup of memory and real-time clock function
Battery type
CR2032 replaceable lithium cell
Battery life
Min. 5 years
Protection class
IP20
Protection class, with terminal
protection covers
IP30
Protection class, electrical
Class III
Ambient humidity
Max. 95 % RH (non-condensing)
Ambient temperature
0…55 °C
Storage temperature
-20…+70 °C
Mounting
Wall, DIN rail
Number of DIN modules
8.5
Weight
490 g
Dimensions, controller unit with
terminal blocks (WxHxD)
149 x 136 x 58 mm
Dimensions, controller unit with
baseplate and terminal protection
covers (WxHxD)
153 x 202 x 68 mm
Cable connections
Pluggable terminal blocks, screw (AI, AO, DI, DO, COM port 2)
Pluggable terminal blocks, push-in (supply voltage, COM port 1)
Operating system
EXOrealC
Communication ports
RS485
Ethernet
Total
Count
2
1
3
Inputs and outputs
AIa
DIb
CIa
AOa
DOb
Total
Count
4
4
2
4
6
20
A.2 Inputs
Analogue input a (AIa)
0…10 V DC, PT1000
Digital input b (DIb)
Sourcing input type, GND is reference
Condensation input a (CIa)
Input dedicated for Regin’s condensation detector KG-A/1
A.3 Outputs
Analogue output a (AOa)
0…10 V DC, max. 5 mA, short-circuit proof
Digital output b (DOb)
Mosfet output 24 V AC, max. 2 A, total max. 8 A
Regio
Ardo
manual, Rev. D
77