Glossary
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
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Sensors
Sensors are used for accurate detection of digital and analog signals as well as routes,
positions, velocities, rotational speeds, masses, etc.
Server module
The server module completes the configuration of the ET 200SP.
Service life
Period of time for which the switching device will work properly under normal operating
conditions. This is specified as the number of operating cycles, the electrical durability (e.g.
contact erosion), and the mechanical durability (e.g. operating cycles without load).
SIL
Safety Integrated Level
→ safety class
SIL (Safety Integrity Level)
Discrete level (one of three possibilities) for defining safety integrity specifications of safety-
related control functions. Safety integrity level 3 is the highest possible level, level 1 the
lowest.
Slave station
A slave can only exchange data after being requested to do so by the master.
SNMP
SNMP (Simple Network Management Protocol) is the standardized protocol for diagnosing
and also configuring the Ethernet infrastructure.
In the office area and in automation technology, devices support a wide range of
manufacturers on the Ethernet SNMP.
SNMP-based applications can be operated on the same network in parallel to applications
with PROFINET.
Standard mode
Operating mode of F-I/O in which standard communication
is possible by means of → safety
frames, but not → safety
-related communication.
Fail-safe ET 200SP modules can only be operated in safety mode.
Summary of Contents for Simantic ET200SP
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