Operating instructions
R3G250-PR02-J1
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
L1
black
Power supply
1
4
L2
black
Power supply
1
5
L3
black
Power supply
1
6
NC
white 1
Status relay, floating status contact, break for failure,
contact rating 250 VAC / 2 A (AC1) / min. 10 mA; reinforced insulation on supply side and basic
insulation on control interface side
1
7
COM
white 2
Status relay, floating status contact, break for failure,
contact rating 250 VAC / 2 A (AC1) / min. 10 mA; reinforced insulation on supply side and basic
insulation on control interface side
2
8
0-10V
yellow
Analog input (set value), 0-10 V, Ri = 100 kΩ, adjustable curve, SELV
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
fixed voltage input 24 VDC for setting parameters via MODBUS without line voltage supply
Item no. 54444-5-9970 · ENU · Change 229573 · Approved 2021-06-09 · Page 10 / 14
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
