Technical description
5 Control functions
5.2 Digital inputs
VM50.EN004
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153
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. The voltage
threshold level can be selected in the ordering code (see chapter
Selection in order code Threshold voltage
A
24 V dc
B
110 V dc
C
220 V dc
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.
Parameters of digital inputs
Parameter Value
Unit
Description
Set
DI1,DI2 0
1
Status of digital input
DI COUNTERS
DI1, DI2
0 ... 65535
Cumulative active edge
counter
(Set)
DELAYS FOR DIGITAL INPUTS
DI1, DI2
0.00 ... 60.00
s
Definite delay for both on
and off transitions
Set
CONFIGURATION DI1 ... DI6
Inverted
no
yes
For normal open contacts
(NO). Active edge is 0
1
For normal closed
contacts (NC)
Active edge is 1
0
Set
Alarm display no
yes
No pop-up display
Alarm pop-up display is
activated at active DI
edge
Set
On event
On
Off
Active edge event
enabled
Active edge event
disabled
Set