Operating instructions
R3G250-RR02-I1
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Color
Function/assignment
1
1, 2
PE
green/
yellow
Protective earth
1
3
N
blue
Power supply, neutral conductor, 50/60 Hz
1
5
L
black
Power supply, phase, 50/60 Hz
1
6
NC
white 1
Status relay, floating status contact; break for failure, contact rating 250 VAC / 2A (AC1) / min. 10
mA, basic insulation on supply side and reinforced insulation on control interface side
1
7
COM
white 2
Status relay, floating status contact; common connection, contact rating 250 VAC / 2A (AC1) / min.
10 mA, basic insulation on supply side and reinforced insulation on control interface side
2
8
0-10V
yellow
Analog input (set value); 0-10 V; Ri = 100 kΩ; adjustable curve
2
10
RSB
brown
RS485 interface for MODBUS, RSB
2
11
RSA
white
RS485 interface for MODBUS, RSA
2
12
GND
blue
Reference ground for control interface, SELV
2
13
+10V
red
Fixed voltage output 10 VDC, +10 V ±3%; max. 10 mA; short-circuit-proof; power supply for
external devices (e.g. pot)
Item no. 52684-5-9970 · ENU · Change 260745 · Approved 2022-07-11 · Page 9 / 12
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