Wiring Recommendation For Speed Control With Tacho - Lenze 4800 Manual

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Commissioning
L1
L2
L3
PE
M1
F''1...F''3
F'1...F'3
F'4
K1
K2
K2.1
K3
CCW
L10
5-2
48XX/49XXSHB0399

Wiring recommendation for speed control with tacho

Q1
F''1...F''3
F'1...F'3
L1 L2 L3
Z1
L'1 L'2 L'3
K1
L K
PE L1 L2 L3
I K B A
F'4
I K B A
M
FIG 5-1 Flow chart section: Speed control with tacho
Cable protection fuse
Semiconductor fuse
Armature fuse
Mains contactor
QSP relay
Delay timer
Motor standstill
CCW rotation
Direct cable from the control cable "ON"
With a tacho voltage to ground: bridge terminals X1/4 and X1/5 and configure the
switch S4 on the control module for the operation with a tacho signal to ground
(chpt. 4.3.4.1).
L10
L11
S1
td > tbr.
S2 K2
K2 K2.1
L20
4900
X1 X2
3 4 5 7 8 9 20 21 28 22 3940
CCW
nset
CW
T
Ctrl.
K2
enable
QSP
L11 "Emergency stop" cable
LK Mains choke
M1 Motor
nset Setpoint potentiometer
CW CW rotation
Ctrl. enable Controller enable
Q1 Main switch
QSP Quick stop function
Z1 RFI filter
K2.1
K3 K2
K1
K1
td
X3 X4
A4 59 90FE
K3
nact = 0
4900Str024