Engineering
HR9Z-B2192 8/2020 35
Basic Principles of Operation
Introduction
The following sections provide basic information on the principles of operation of the device to
assist you in engineering your application function.
Operating States
The following graphic illustrates the operating states and state transitions of the device:
NOTE: See the chapter Data Functional Safety
(see page 31)
for the defined safe state of the
device.
Operating state Description In defined
safe state
Off / Configuration Configuration only possible in this operating state Yes
Initialization Self-tests Yes
Run: Outputs Deenergized Regular operation with safety-related function active Yes
Run: Outputs Energized Regular operation with safety-related function not active No
Error Error detected Yes
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