Commissioning, Wiring recommendation for speed control with tacho – Lenze EDS4900U-REG User Manual
Page 78
Commissioning
5-2
48XX/49XXSHB0399
Wiring recommendation for speed control with tacho
Z1
K1
F’1...F’3
L K
F’’1...F’’3
Q1
L1
L2
L3
PE
L1 L2 L3
L’1
L’2
L’3
L1 L2 L3
PE
I
K
20
B
F’4
M
I
K
A
B
M1
21
28
3940
59
90FE
8 9
7
X1
X2
X3
X4
4900
A
Ctrl.
enable
CW
nset
T
4
3
5
22
CCW
K2
A4
K3
QSP
nact = 0
S1
S2
K2
K2
K2.1
K1
K2.1
K2
K3
K1
td
td > tbr.
L11
L10
L20
4900Str024
FIG 5-1
Flow chart section: Speed control with tacho
F’’1...F’’3
Cable protection fuse
L11
”Emergency stop” cable
F’1...F’3
Semiconductor fuse
LK
Mains choke
F’4
Armature fuse
M1
Motor
K1
Mains contactor
nset
Setpoint potentiometer
K2
QSP relay
CW
CW rotation
K2.1
Delay timer
Ctrl. enable Controller enable
K3
Motor standstill
Q1
Main switch
CCW
CCW rotation
QSP
Quick stop function
L10
Direct cable from the control cable ”ON”
Z1
RFI filter
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).
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