KEB Combivert R6 Instruction Manual page 26

Connect the Power Unit
F3 Precharging fuse gG/gL or automatic circuit breaker with characteristic K dimensioned for the sum of the
precharging currents (here 20 A)
F4 10 A fuse gG/gL
F5 DC fuses type aR (see technical data)
F6, F7 DC fuses type aR/gR
G1, G2 Regenerative unit COMBIVERT R6-S
X1A
Power circuit terminals
X1B
Connection for precharging and switching-on of line contactor K1, K3
X2A
Control terminal strip (X2A.12: Control release; X2A.17: voltage output)
X2B
Connection for synchronization line
X2C
Activation of the self-holding of the load shunt relay (K2 internal)
G3, G4 Frequency inverter with DC voltage input
H
Supply of the signalling device
H1 Error message contactor K1 not dropped
H2 Error message contactor K2 not dropped
HF1,
EMI filter
HF2
K1, K3 Line contactor with auxiliary contacts
M Motor
S1 Switch (400 V/32 A AC3) dimensioned for the sum of the precharging currents
S2, S3 Control release; in series with line contactor K1
1) In case of parallel connection of R6‑S the total power can be smaller up to 10 % caused by production
tolerances of the commutation reactor. The impedance voltages uk of the commutation reactors must be the
same in case of parallel connection of R6‑S with different sizes. Specify the major unit as master.
2) Main‑ and DC fuses must be monitored.
Wiring of the control release of the connected inverters
A load draw in the DC circuit may be done only when the message „ready" is set. This can be guaranteed by
a series connection of the relay R1 of the R6-S units with the control release of the connected inverters.
GB - 26
2)
The cable cross section as well as the DC fuses (see chapter 2.1) must be dimensi-
oned to the DC rated current of the load (see technical data of the inverter).
G1
S3
24
X2A 25
26
G2
24
S4
X2A 25
26
16
20
16
20
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