Operating instructions
R3G220-RY90-P1
Translation of the original operating instructions
4.4 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Color
Function/assignment
10
+
brown
Power supply, see nameplate for voltage range
11
-
black
Power supply, see nameplate for voltage range
12
PE
green/
yellow
Protective earth
13
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
14
NO
purple
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
15
+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)
16
0-10 V
yellow
Analog input (set value) SELV, 0-10 V, Ri = 100 kΩ, adjustable curve
17
RSA
white
RS-485 interface for MODBUS, RSA; SELV, bus termination resistor provided by customer
18
RSB
orange
RS-485 interface for MODBUS, RSB; SELV, bus termination resistor provided by customer
19
GND
blue
Reference ground for control interface, SELV
Item no. 57069-5-9970 · ENU · Change 262073 · Approved 2022-10-04 · Page 8 / 11
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