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Operating Instructions UDS8 pressure switch Created on: 08.11.2023 Document no.: 951-181-046-EN Version: Read these instructions before installation or start- up of the product and keep them readily available for later consultation!
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Manager, PD Germany Germany South Manufacturer: SKF Lubrication Systems Germany GmbH, Heinrich-Hertz-Str. 2-8, 69190 Walldorf, Germany UK Declaration of Conformity pursuant to the Electromagnetic Compatibility Regulations 2016 No. 1091, Annex IV The manufacturer hereby declares under its sole responsibility conformity of the product described below with all relevant harmonization legislation of the United Kingdom at the time of placing on the market.
We conduct detailed training in order to enable maximum safety and efficiency. We recommend taking advantage Berlin Plant of this training. For further information, contact your Motzener Strasse 35/37 authorized SKF dealer or the manufacturer. 12277 Berlin Germany Tel. +49 (0)30 72002-0 Fax +49 (0)30 72002-111...
Table of contents Masthead..................... 3 Table of contents ................4 Safety alerts, visual presentation, and layout ....... 5 1 Safety instructions ............... 6 1.1 General safety instructions ..........6 1.2 General electrical safety instructions ......6 1.3 General behaviour when handling the product ..6 1.4 Intended use ................
1. Instruction steps: These indicate a chronological Safety alerts, visual sequence of instruction steps. The numbers of the steps are in bold and are followed by a period. If a new presentation, and layout activity follows, the numbering starts again at “1.” –...
Unauthorized modifications and changes are therefore • If protective and safety equipment has to be prohibited. Only original SKF spare parts and SKF dismantled, it must be reassembled immediately after accessories may be used. finishing the work, and then checked for correct •...
1.6 Foreseeable misuse 1.9 Note on the type plate Any usage of the product other than as specified in this The type plate provides important data such as the type manual is strictly prohibited. Particularly prohibited are: designation, order number, and sometimes regulatory •...
Metal steel, grey iron, brass, copper, aluminium in centralized lubrication systems. • Always use SKF lubrication greases, if possible. These are optimally suited for use in lubrication systems. 2.3 Temperature characteristics •...
3 Overview, functional description In the following you will find an overview of the most important functions and equipment features of the UDS8 dual pressure switch described in this manual. The pressure switch essentially consists of 3 modules: 1 Liquid crystal display (LCD) 2 LEDs (3x) to indicate switching states 3 Function keys (3x) for entering/modifying parameters Fig.
4 Technical data Table 2 Technical data Parameter Values Measuring element Piezo-resistive pressure sensor with internal steel diaphragm Materials Wetted parts Stainless steel 1.4301 Electronics enclosure Cast aluminum G AL SI 12 Seals Temperature Medium -25 °C... +100 °C Electronics -10 °C...
5 Delivery, returns, storage 5.1 Delivery After receipt of the shipment, it must be inspected for any shipping damage and for completeness according to the shipping documents. Immediately inform the transport carrier of any shipping damage. The packaging material must be preserved until any discrepancies are resolved.
6 Assembly Observe the safety instructions and the “Technical data” in this manual. When installing, also observe the following: • Only qualified and authorized technical personnel may install the products named in the instruction manual. • The product must be de-energized (electrically and hydraulically/pneumatically) before being installed or removed. •...
6.2 Assembly holes < NOTICE Possible damage to the main machine and the pump The assembly holes should be created only on non-load-bearing parts of the main machine. Do not fasten on two parts which move in opposite directions to one another (e.g., machine base and machine assembly).
6.4 Electrical connection < WARNING Electric shock Work on electrical components may be performed only by qualified electricians. At a minimum, the following safety measures must be taken before any work on electrical components is done: • Isolate, lock and tag out •...
7 Operation 7.1 Programming/operation Only authorized persons may commission and operate the pressure switch. Operation is menu based, using three membrane keys. NOTE Upon first start-up, a self-test is conducted. If an error is detected during the self-test or normal operation, this error is signaled by “Err”...
7.4 Error list Table 5 Parameter 14-segment display Description SEnS Sensor is defective Short circuit on switching output 1 Short circuit on switching output 2 AOut Open-circuit output; short circuit Positive sensor limit Negative sensor limit Internal fault...
Fig. 10 Menu structure 3 # 3 1 Only for devices with a 2nd switching contact 2 Only for devices with an analog output (ASP = 0.0%–80.0% of span, AEP =20.0%–100% of span; ASP = AEP - 20.% of span) 3 Setting according to measuring range Fig.
9 Cleaning NOTICE Do not use any cleaning agents containing solvents or abrasive additives. The membrane keys could be damaged by the use of unsuitable cleaning agents or by the use of sharp or pointed objects (e.g. a screwdriver). < WARNING Risk of fatal electric shock Cleaning work may only be performed on products that have been de-energized first.
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