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K3G280-RR03-M4
Siemens AG PD LD Nbg.
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
1
1, 2
PE
1
3
L1
1
4
L2
1
5
L3
1
6
NC
1
7
COM
2
8
0-10V
2
10
RSB
2
11
RSA
2
12
GND
2
13
+10V
Item no. 55771-5-9970 · ENU · Change 94605 · Approved 2017-09-29 · Page 9 / 13
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
Operating instructions
Color
Function/assignment
green/
Protective earth
yellow
black
Power supply
black
Power supply
black
Power supply
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
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
yellow
Analog input (set value), 0-10 V, Ri = 100 kΩ, adjustable curve, SELV
brown
RS485 interface for MODBUS, RSB; SELV
white
RS485 interface for MODBUS, RSA; SELV
blue
Reference ground for control interface, SELV
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
273
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