Operating instructions
K3G400-AQ27-K1
Translation of the original operating instructions
4.5 Connection diagram
Drawing preliminary!
No.
Conn.
Designation
Color
Function/assignment
1
1, 2
PE
green/
yellow
Protective earth
1
3, 4, 5
L1, L2, L3
black
Power supply 50 / 60 Hz
1
6
NC
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 (or reinforced
insulation on control interface side up to 250 VAC potential difference)
1
7
COM
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 (or reinforced
insulation on control interface side up to 250 VAC potential difference)
2
9
+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. pot);
fixed voltage input 24 VDC for setting parameters via MODBUS without line voltage supply
2
10
0-10 V
yellow
Analog input (set value) SELV, 0-10 V, Ri = 100 kΩ, adjustable curve
2
11
RSA
white
RS485 interface for MODBUS, RSA; SELV
2
12
RSB
brown
RS485 interface for MODBUS, RSB; SELV
2
13
GND
blue
Reference ground for control interface, SELV
Item no. 57107-5-9970 · ENU · Change 230627 · Approved 2022-01-13 · Page 9 / 13
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