Appendix A
Technical data
A.1 EC-PU4-2
A.1.1
General data
Supply voltage
24 V AC 50…60 Hz or 24 V DC
Tolerance
18…26 V AC / 22…30 V DC
Power consumption
10 VA / 5 W
Dimensions (WxHxD incl.
terminals)
140 x 136 x 40mm
Mounting
DIN-rail
Protection class
IP20
Real-Time clock (RTC)
max ±20 sec./month
Operating system
EXOrealC
Application SRAM memory
768 kB available for user applications
Application flash memory (TCP/
IP)
~7 MB available for user applications
A.1.2
Operation
Ambient temperature
0…55°C
Ambient humidity
Max. 95 % RH
A.1.3
Storage
Storage temperature
-20…+70°C
Storage humidity
Max. 95% RH
A.1.4
Battery
Battery type
Replacable Lithium cell, CR2032
Battery backup of RAM, RTC
5 Years
Battery monitoring
System status LED + Software accessible
A.1.5
Communication port 1-3
Type
RS485
Built-in protocol
EXOline
Other protocols
Control signal, RS485
E
Speed
Configurable, max 76800 bps
Standard speed
9600 bps
Galvanic isolation, common
mode voltages
max. 150V
Max communication distance
1200 m (depending on communication speed
14 (18)
EXOclever EC-PU4-2 manual, Rev. A