Installation
4-26
L
EDSVS9332P-B EN 3.0
Supply via external voltage source
GND2 +24V
X5
DIGOUT1
DIGOUT3
DIGOUT2
DIGOUT4
+
–
24 V ext.
(+18 VDC -0% … +30 VDC +0%)
28
E1 E2 E3 E4
E5
A1 A2 A3 A4 ST
ST
59
39
3k
3k
3k
3k
3k
3k
47k
3k
3k
3k
3k
3k
50mA
50mA
50mA
50mA
9300STD337
Fig. 4-17 Connection of the digital input signals for external voltage supply
Minimum wiring required for operation
Tip!
The supply of the digital input signals via an external voltage source allows a backup operation in
the event of mains failure. After switching off the mains voltage all actual values are still detected
and processed.
•
Connect the positive pole of the external voltage source with X5/59 to create the backup
operation in the event of mains failure.
•
The external voltage must be able to supply a current
≥
1A.
•
The starting current of the external voltage source is not limited by the controller. Thus, Lenze
recommends using voltage sources with current limitation or with an internal impedance of
Z>1
Ω
.
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