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Text version of the page
3 Non - Ex i Isolators
3/1 Automation 17.04.2008
06287E00
Frequency Transmitter
(Field Circuit Non-Ex i)
Type 9146
Most compact device in its class:
limit value switch,
frequency/current conversion,
impulse divider function within
17.6 mm width
Line fault detection indicated
by LED and potential free relay
contact allows easy monitoring
and speeds-up troubleshooting
Broad input frequency range
0.001 Hz ... 20 kHz
Galvanic isolation between
input and output
Installation possible in Zone 2
Zones
0 1 2 20 21 22
Ex i
interfaces
Installation in X X
The frequency transmitter allows to monitors the speed of rotating
devices like fans, centrifuges, tube extruder, etc. The detected
input frequency is processed in different ways:
relay output with configurable set points
conversions into an proportional 0/4 mA ... 20 mA analog signal
impuls output with optional frequency divider function
The optional start-up delay allows to start a system without
creating accidental alarms. The frequency transmitter can be easily
configured by the ISpac Wizard.
06257E02
Analog input
Digital
input
limit value contact
or pulse