Digital Inputs - ABB COMMANDER 1900 Series Programming Manual

...3 BASIC CONFIGURATION LEVEL

3.8 Digital Inputs

Information.
• Up to 30 digital inputs are available – depending on the module types fitted.
• Volt-free contacts or TTL levels.
• Polarity – sets the logic state (unchanged or inverted) for the module position(s).
Select Digital Input
Position 1
Position 2
Position 3
Position 4
Position 5
Position 6
dIGtAL
INPUtS
SELECt
POSN 1
POSN x
NONE
NONE
SELECt
POLrtY
POStVE
NEGtVE
22
Input State
Switch Input
(volt-free)
5V
0V
or
5V
or
0V
Page Header – Digital Inputs
To advance to
Access Page
Select Digital Input
Select digital module position to be programmed.
Note. In the remaining frames press the
Polarity
Select the polarity required for the module position selected above:
POStVE – logic input state unchanged
NEGtVE
– logic input state inverted
Return to
Select Digital Input
Polarity
Selected
Logic Input
(TTL)
Negative
Positive
Negative
Positive
press the switch.
switch to view the module position selected.
frame.
Logic State
Input Active
Input non-active
Input non-active
Input Active