Item number: 2-539-114, version: 3 121113TK
8 of 12
The absolute shaft encoder of type AX70 / AX71 model series are quality products manufactured in
accordance with established electrical engineering standards.
The units have been delivered from the factory in perfect conformance to safety regulations.
To maintain this condition and to ensure trouble - free operation, please observe the technical speci-
fications of this document.
Installation and mounting may only be performed by an electrotechnical expert!
The units may only be operated within the limits specified by the technical data.
Maximum operating voltages must not be exceeded!
The units are designed complying with DIN EN 61010 - part 1, protection class III.
To prevent dangerous structure - borne currents, the equipment has to be run on safety extra - low
voltage (SELV) and must be in an area of equipotential bonding.
Please use an external fuse for protection (see Electrical Data).
Fields of application: industrial processes and controls.
Overvoltage at the connection terminals must be limited to overvoltage - class - II values.
Please avoid shocks to the housing - especially to the encoder shaft - and axial or radial overload to
the encoder shaft.
Maximum accuracy and durability of our shaft encoders are only guaranteed when using suitable
couplings.
Absolute - Encoder
AX70 / AX71
SSI/ SSI-P IP67
Installation instructions
Safety and Operating Instructions
Introduction
These installation instructions are provided for the connection and starting procedure of your
shaft encoder.
This encoder is EX - tested and licensed. On request, we will be pleased to send you the respective
EC-TYPE-Examination Certificate PTB 10 ATEX 1036 X
For information concerning software and set parameter please refer to the Technical Manuals with
following item numbers:
2 565 287 - in German
2 565 289 - in English
You can obtain these manuals by order or by Internet - download from our homepage
www.hengstler.de
You will get further information on request.
