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2.3
Basic versions
3TK2810-1 speed monitor
The speed monitor is the main component of safety-related speed monitoring and is
necessary in every application. The terminals and the RJ45 interface are used for the
outputs, and for supplying the device with power and signals. The device is parameterized
using the keys and the display. The LEDs and the display show operating statuses, error
messages and diagnostics data.
The device can be configured via the display and the keys on the front panel or via RJ45
with an appropriate connecting cable (see Chapter "Accessories (Page 21)") by means of
the copy function.
The speed can be detected by the following measuring sensors:
● Two NPN or PNP proximity switches (design versions with NAMUR sensors) connected
to inputs E1 and E2. The proximity switches (NAMUR sensors) are supplied with 24 V DC
by the speed monitor at terminal U
(design version NAMUR 8.2 V DC at terminal U1 and U2).
● Encoders (sin/cos, TTL, HTL) connected via cable adapters (available as accessories) to
the RJ45 interface. The encoder is not supplied with power by the speed monitor.
Absence of feedback must be observed.
When selecting the encoders it must be ensured that the signal tracks A, B and their
inverted tracks are present.
● A combination of encoder and proximity switch (or in the case of NAMUR sensor version).
3TK2810-1 safety-related speed monitor
System Manual, 01/2011, 926246402000 DS 02
Product description
2.3 Basic versions
15
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