Omron G9SR, Operation Manual

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Operation manual G9SR
XXV
GLOSSARY, DEFINITIONS,
ABBREVIATIONS
Aux.: Aux iliary. E.g. Auxiliary Outputs
Dynamic Input testing:
Test if the separate input channels are connected (shorted).
Applicable to G9SR- BC□ - □ and G9SR - AD□ - □
EDM: E xternal D evice M onitoring;
Active checking of the correct behavior of external connected units
like safety relays.
ESPE: E lectro S ensitive P rotective E quipment
Assemblies of
•
a sensing device
•
controlling/monitoring devices
•
Output Signal Switching Device (OSSD)
FA: F actory A utomation
G9SR- BC□ - □: A Basic unit (BC) of the G9SR series.
G9SR- AD□ - □: An Advanced unit (AD) of the G9SR series.
G9SR- EX□ -T90- □: An Extension unit (EX) of the G9SR series.
Input: Signal going into the unit. Input signals can come from e.g. safety
sensors, E-stop switches or SLCs.
Lock out State:
A forced OFF state, the OSSDs are OFF. This state can be reached
when an error occurs in the complete system.
Power cycle the unit to exit this State.
MPU: M
icro
P
rocessing
U
nit.
NO / NC: N ormally O pened / N ormally C losed
The contact situation of switching devices (switches, relays,..)
when not powered/activated.
OSSD: O utput S ignal S witching D evice.
OSSD can be safety relays with mechanical contacts or solid state
outputs such as PNP-transistors.