Operating instructions
R3G280-RU26-81
Translation of the original operating instructions
4.4 Connection screen
No.
Conn.
Designation
Colour
Function / assignment
1
+
black
Power supply, see type plate for voltage range
2
-
brown
Power supply, see type plate for voltage range
3
AUXIN
blue
Digital input: when active (> 4 V), value of PWM signal is halved
4
0-10 V / PWM
yellow
Control input: Ri > 47 kΩ
0-10 V (typ. < 1 V -> n=0; 1.5 V -> n=min; >10 V -> n=max)
PWM (amplitude 10 V; 1-50 kHz; typ. < 5 % -> n=0; 15% -> n=min; > 100% -> n=max)
5
DIAG
white
Diagnostic output: open collector, Isource max = 20 mA,
Fan OK -> low; fan error -> high
6
INVLIN
orange
Control input, inverse linear
Item no. 52474-5-9970 · ENG · Revision 234450 · Release 2021-11-09 · Page 9 / 12
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