Operating instructions
R3G250-RR04-N1
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Color
Function/assignment
1
1
PE
green/
yellow
Protective earth
1
2
PE
-
not brought out via wire
1
3
L1
black
Power supply, phase 50/60 Hz
1
4
L2
blue
Power supply, phase 50/60 Hz
1
5
L3
brown
Power supply, phase 50/60 Hz
2
6
COM
gray
Status relay, floating status contact, common connection, contact rating 250 VAC /
max. 2 A (AC1), min. 1 mA / 5 VDC, reinforced insulation on control interface side, basic
insulation on supply side according to EN 50124-1
2
7
NC
orange
Status relay, floating status contact, break for failure, contact rating 250 VAC /
max. 2 A (AC1), min. 1 mA / 5 VDC, reinforced insulation on control interface side, basic
insulation on supply side according to EN 50124-1
2
8
0-10V
yellow
Analog input (set value) SELV, 0-10 V, Ri = 100 kΩ, adjustable curve
2
10
RSB
brown
RS485 interface for MODBUS, RSB; SELV
2
11
RSA
white
RS485 interface for MODBUS, RSA; SELV
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); SELV
Item no. 55460-5-9970 · ENU · Change 238450 · Approved 2021-09-30 · Page 10 / 13
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com
