Sensor expansion module
Additional module for the digitally adjustable temperature monitoring relay. This has two
additional inputs for the connection of temperature sensors of types Pt100, Pt1000, KTY83-110,
KTY84 and NTC, as well as an analog value input (4 … 20 mA) and an output relay for sensor
monitoring.
SIRIUS industrial enclosure
Enclosure with certain standardized dimensions (e.g. width of 22.5 or 45 mm) for various
devices intended for control cabinet installation.
Spring-type connection system
Screwless and vibration-resistant connection technology for single, multiple and nely stranded
electrical connecting cables in which the electrical conductors are clamped by spring force.
Standard mounting rail
Mounting rail for snap-on installation, e.g. C-rail (35 mm), which is used preferentially for
mounting components in the control cabinet. In addition to the function as a carrier of
components, standard mounting rails are very often used as grounding bars.
Standard rail mounting
Fixing to a standard mounting rail provided for this purpose, which is designed in accordance
with DIN EN 50022.
Temperature limiter
Device function that locks the device permanently after tripping. If the sensor temperature
overshoots or undershoots the limit by the amount of the hysteresis, a reset is possible.
Temperature monitor
Device function in which the device is automatically reset on activation, as soon as the sensor
temperature has overshot or undershot the set limit by the hysteresis value.
Temperature monitoring
Control function for detecting, evaluating, and reporting temperature deviations which trigger
an intended response when a limit value is reached.
Temperature monitoring relay
Relay which, together with an evaluation unit, monitors a temperature and, if this temperature
is exceeded, switches a setpoint value.
Glossary
3RS2 temperature monitoring relay
114 Equipment Manual, 02/2022, A5E42462552002A/RS-AB/002
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