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POWER
SUPPLY
APPENDIX B
Outputs
Overview
The
Gas Tracker
supports integration with a PLC or a stack light through the IO connector. This
provides warning and operational statuses.
To provide the greatest flexibility, the outputs operate as a dry relay contact. They behave as
normally-open contacts which close when a warning is raised. Statuses are mapped to each
output by clicking
Outputs
on the
Setup
page.
These relay contacts are solid state relays. Solid state relays are
more durable than traditional relays but are more susceptible
to damage from overcurrent. Be careful to limit the amount of
current through each contact to less than 100mA. The contacts
are fused with a self-resetting link, but care should be taken to not
exceed 100mA of instantaneous current. The solid state relays can
switch up to 60V of AC or DC current.
If you suspect damage to an output, set it to
Always On
mode to
test that it is functional. A multimeter in resistance or diode mode
can be used to confirm that the relay is closed. Typical on-state
resistance is around 2 ohms.
Connector
The relay connector is Euro-style (also referred to as a Euro Block) 3.5mm pitch screw terminal
connector. Replacements can be purchased from a handful of suppliers.
▶ Phoenix Contact, BCP Series #5441236
▶ Adam Tech, EB Series #EBKA-05-A
RELAY OUTPUTS
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Example
Integration with a Stack Light;
outputs 1 – 3 are used.
Gas Tracker
Summary of Contents for GAS TRACKER
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