Connection Of Digital Signals - Lenze 4800 Manual

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4.3.4.2

Connection of digital signals

( All digital inputs and outputs are PLC compatible and separated from the
( The diagrams show the function assignments according to the factory
( For switching the signal cables, only relays with contacts for low-level
( Voltage supply
Stop!
( Maximum permissible load of the internal 15 V supply : 100 mA.
( For operation with internal voltage: Bridge terminals X2/39 and X3/40
( Digital inputs unused should be connected!
Inputs:
Input voltage
Input current:
Outputs:
Output current:
The input and output signals are in average read, processed and updated every
4 msec on average.
rest of the control module when operated with an external voltage supply
(24 V).
setting.
switching should be used.
We recommend using relays with gold contacts.
- external 24 V to terminals X2/39 and X4/59 or
- internal 15 V to terminal X2/20
externally.
0 +30 V
...
LOW level: 0
HIGH level: +13
24 V: 8 mA per input
15 V: 5 mA per input
Max. 50 mA per output
(external resistance min. 480W at 24V,
e. g. relay, order designation EK0005)
Installation
+ 5 V
...
+30 V
...
48XX/49XXSHB0399
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