5.2 Digital inputs
5 Control functions
Technical description
110
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VM55.EN005
5.2.
Digital inputs
There are two (2) digital inputs available for control purposes.
The polarity – normal open (NO) / normal closed (NC) – and a
delay can be configured according the application. The signals
are available for the output matrix, block matrix, user's
programmable logic etc.
The digital inputs need an external control voltage (ac or dc).
The voltage threshold level can be selected in the ordering code
(see chapter 12):
Selection in order code
Threshold voltage
1
24 V dc / 110V ac
2
110 V dc / 220V ac
3
220 V dc
When 110 or 220 V ac voltage is used to activate the digital
Inputs, the AC mode should be selected as shown in the
screenshot below:
Figure 5.2-1 AC mode selection in VAMPSET
These inputs are ideal for transferring the status information
of switching devices into the device. Please note that it is
possible to use two different control voltages for the inputs.
Label and description texts can be edited with VAMPSET
according the application. Labels are the short parameter
names used on the local panel and descriptions are the longer
names used by VAMPSET.
