Operating instructions
R3G355-AX56-90
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Function/assignment
PE
PE
Protective earth terminal
KL1
1, 2, 3
L1, L2, L3
Power supply, voltage range (see nameplate), 50/60 Hz
KL2
1
NC
Floating status contact, break for failure
KL2
2
COM
floating status contact, changeover contact, common connection (2 A, max. 250 VAC,
min. 10 mA, AC1)
KL2
3
NO
Floating status contact, make for failure
KL3
1
OUT
Analog output, 0-10 VDC, max. 3 mA, SELV,
output of current motor modulation level:
1 V corresponds to 10% modulation level.
10 V corresponds to 100% modulation level.
KL3
2, 8
GND
Reference ground for control interface, SELV
KL3
3, 7
0-10 V
Use control / current sensor value input 0-10 VDC, impedance 100 kΩ only as alternative to 4-20 mA input,
SELV
KL3
4
+10 V
Voltage output 10 VDC (±3%), max. 10 mA, power supply for external devices
(e.g. potentiometer), SELV
KL3
5
+20 V
Voltage output 20 VDC (+25%/-10%), max. 50 mA, power supply for external devices
(e.g. sensors), SELV
KL3
6
4-20 mA
Use control / current sensor value input 4-20 mA, impedance 100 Ω only as alternative to 0-10 V input, SELV
KL3
9, 11
RSB
RS485 interface for MODBUS, RSB
KL3
10, 12
RSA
RS485 interface for MODBUS, RSA
Item no. 51278-5-9970 · ENU · Change 212555 · Approved 2020-04-29 · Page 9 / 13
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