6 Product Features
LIMAX33 CP-00 is a magnetic tape-based shaft information and safety system which covers:
Several safety functions named in the EN81-20/21
The requirements regarding cab position measurement (e.g. as information for lift control)
Non safety relevant functions like door zone indication for emergency release
The magnetic measuring principle makes the sensor insensitive even to black smoke and splash water. Magnetic
tape and sensor can be mounted easily.
ADVANTAGES
The drastic reduction of the components offers significant cost advantages. Time for installation and mainte-
nance is reduced significantly. A possible troubleshooting is also simplified, especially since the electronic pro-
vides diagnostic options.
LIMAX33 CP-00 is as well suitable for serial production with new installations as for upgrading existing elevator
systems.
6.1 Functional principle
The tape carries the unique positioning information as a magnetic code. It is installed free hanging in the eleva-
tor shaft by use of a mounting kit. The LIMAX33 CP-00 is mounted to the elevator car. While the actual meas-
urement is contactless the tape must be kept within a maximum distance to the sensor head. Therefore, the tape
is guided along theLIMAX33 CP-00 by use of the polymer tape guide which is an integral component of the
sensor head.
The magnetic measurement principle is extremely robust. Dust, dirt and humidity do not affect the measurement
in any way. Also, smoke and even higher temperatures have no influence on the measuring quality. Further the
tape is robust enough to withstand the harsh conditions in elevator shafts.
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