4DO or 8DO Expansion module
4DO or 8DO Expansion module
Connection of DOs
One
12V / 24V AC/DC
’very low voltage’
voltage-relay
type digital outputs: the DOs are compatible with 24 V relays and electrical
cabinet indicator lights.
By default, and following a total power cut (24 V and Battery), DOs are in their 'open' state (idle state = 0).
However, the state of each DO is retained during product reinitialisation.
The user defines the ‘
bistable
’ or ‘
impulse
’ control type when configuring each DO data point.
The DO do not allow direct control of power units.
Example of control of 2 DC relays by 2 DO:
Technical specifications
-
4 or 8 digital outputs:
- in alternating current (AC) and/or direct current (DC)
-
Maximum switching voltage:
- 24 V AC/DC +20% (40 V peak)
-
Continuous current:
- 150 mA
-
Isolation:
- 1500 V
RMS
between the DO and the case
1 pair for the DO no.1
1 pair for the DO no.2
Protection
diode
Protection
diode
DC Relay
DC Relay