Operating instructions
R3G250-BB09-S1
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
-
black
Power supply, GND, voltage range see nameplate
1
5
+
brown
Power supply, see nameplate for voltage range
2
6
COM
gray
Status relay, floating status contact, common connection, contact rating
250 VAC/30 VDC max. 2 A (AC1), min. 1 mA/5 VDC,
reinforced insulation on control interface side, basic insulation on supply side in accordance with
EN 50124-1
2
7
NO
orange
Status relay, floating status contact, normally open contact, contact rating
250 VAC/30 VDC max. 2 A (AC1), min. 1 mA/5 VDC,
reinforced insulation on control interface side, basic insulation on supply side in accordance with
EN 50124-1
2
8
0-10 V
yellow
Analog input (set value) SELV, 0-10 V, Ri = 100 kΩ, adjustable curve
2
10
RSB
brown
RS-485 interface for MODBUS, RSB; SELV, bus termination resistor provided by customer
2
11
RSA
white
RS-485 interface for MODBUS, RSA; SELV, bus termination resistor provided by customer
2
12
GND
blue
Reference ground for control interface; SELV
2
13
+10 V
red
Fixed voltage output 10 VDC, SELV, +10 V +/-3%, max. 10 mA, short-circuit-proof, power
supply for external devices (e.g. potentiometers)
Item no. 56766-5-9970 · ENU · Change 257061 · Approved 2023-02-03 · Page 8 / 11
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
