Operating instructions
W3G450-ZR75-01
Translation of the original operating instructions
4.5 Connection diagram
No.
Conn.
Designation
Function/assignment
1
PE
Protective earth
2
PE
Protective earth
3
L1
Power supply
4
L2
Power supply
5
L3
Power supply
6
NC
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
7
COM
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
8
GND
Reference ground for control interface, SELV
9
RSA
RS485 interface for MODBUS, RSA; SELV
10
RSB
RS485 interface for MODBUS, RSB; SELV
11
0-10 V
Analog input (set value) SELV, 0-10 V, Ri = 100 kΩ, adjustable curve
12
+10 V
Fixed voltage output 10 VDC, SELV, +10 V ±3%, max. 10 mA, short-circuit-proof, power supply for external
devices (e.g. pot);
fixed voltage input 24 VDC for setting parameters via MODBUS without line voltage supply
Item no. 57959-5-9970 · ENU · Change 230625 · Approved 2022-01-18 · Page 11 / 14
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