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RTCU LX4 pro Technical Manual V1.00
Advanced Industrial M2M/IoT Gateway
Digital outputs
The digital outputs control eight "high-side" switches. They function like contacts, where one side is
connected to the positive supply of the RTCU unit, and the other side is to the output. The switches
are protected against short circuits, ESD, and electronic kickback from inductive loads such as a relay.
The maximum switchable inductance is 20mH and must not be exceeded.
The digital output control circuit is supplied from the power supply connected to the DOUT SUPP
and DOUT GND. The DOUT GND is connected with the system GND internally
The RTCU unit offers advanced power management that can enable one or more outputs while the
RTCU is in low power mode. Please consult the RTCU IDE documentation for additional information.
Digital output pins
Pin
Name
30
DOUT SUPP
31
DOUT 1
32
DOUT 2
33
DOUT 3
34
DOUT 4
35
DOUT 5
36
DOUT 6
37
DOUT 7
38
DOUT 8
39
DOUT GND
Specification for each digital output
Type
Min.
0
Push/Pull
-
-
Logic IO ApS.
Holmboes Allé 14
8700 Horsens
Denmark
Description
Digital output supply, positive (+) connector
Digital output 1
Digital output 2
Digital output 3
Digital output 4
Digital output 5
Digital output 6
Digital output 7
Digital output 8
Digital output ground, negative (-) connector
Max.
Unit
36
VDC
Short-circuit, Overload, Overvoltage, and ESD protected
1.5
A
140
mΩ
On-state resistor per channel
Page 13 of 39
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