Figure 3-10: Pso Output Sources Current; Figure 3-11: Pso Output Sinks Current; Figure 3-12: Pso Ttl Outputs Schematic - Advantech Automation1 iXC4 Hardware Manual

iXC4/XC4
Isolated Signals
This output signal is a fully-isolated 5-24V compatible output capable of sourcing or sinking
current. This output is normally open and only conducts current when a PSO fire event occurs.
The PSO Isolated Outputs are overload protected and will turn off if the maximum output
current is exceeded.
Figure 3-10: PSO Output Sources Current
TTL Signals
This output signal is a 5V TTL signal which is used to drive an opto coupler or general purpose
TTL input. This signal is active high and is driven to 5V when a PSO fire event occurs.
Figure 3-12: PSO TTL Outputs Schematic
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Figure 3-11: PSO Output Sinks Current
Hardware Manual
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