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Summary of Contents for PKP DS10 Series
- Page 1 Instruction Manual DS10 Variable area flow meter with glass measuring tube PKP Prozessmesstechnik GmbH Borsigstraße 24 D-65205 Wiesbaden-Nordenstadt Tel.: ++49-(0)6122-7055-0 Fax: ++49-(0)6122-7055-50 Email: info@pkp.de www.pkp.de...
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Page 2: Table Of Contents
Table of Contents Safety Information........................2 Functional Description......................3 Mounting and Adjustment.......................3 Limit Switches.........................4 Maintenance and Care......................11 Safety Information General Instructions To ensure safe operation, the device should only be operated according to the specifications in the instruction manual. The requisite Health & Safety regulations for a given application must also be observed. -
Page 3: Functional Description
Qualified Personnel The DS10 devices may only be installed by trained, qualified personnel who are able to mount the devices correctly. Qualified personnel are persons, who are familiar with assem- bling, installation, placing in service and operating these devices and who are suitably trained and qualified. -
Page 4: Limit Switches
Limit Switches The flowmeters can be equipped with a maximum of two limit switches. The switching function of the limit switch can be designed as monostable or bistable. Monostable function: Switching pulse as float passes through switching point, independent of direction of movement. Bistable function: Stable changeover as float passes through switching point. - Page 5 Connection of limit switch - 2-wire NAMUR, without connection box: 1 Limit switch (without connection box) 2 Blue cable - 3 Brown cable + 4 External EMC filter 5 Receiver device When connecting to an EMC filter, the ground terminal must be connected to the back rail of the flowmeter.
- Page 6 Settings of limit switches: 1 Clamping screw 2 Back rail 3 Limit switch The following procedures are to be performed: Remove both clamping screws 1. • Slide the limit switch over the measuring glass. • Use the two clamping screws 1 to fasten the limit switch 3 to the back rail 2 of the •...
- Page 7 Minimum distance between two limit switches: Where two limit switches are used in one device and also where meters with limit switches are in close proximity of each other, minimum distances must be maintained in order to avoid mutual influence of the switches. Switching performance of limit switches 2-wire limit switch NAMUR, monostable Float outside of the limit switch: signal ≥3 mA...
- Page 8 Reversed function of limit switch: The bistable limit switches can be changed from normally open switch to normally closed switch. The pre-fabricated connection cable must be long enough to do this. When installing and setting, make sure the cable is not damaged when laid. Loosen terminal screw 1.
- Page 9 Grounding connection: The measuring unit is grounded on the back rail 1 (M4 thread). This connection only ensures electrostatic grounding of the device and does not meet the requirements for equipotential bonding. Position of the ground terminal DANGER! The grounding wire may not transfer any interference voltage. Do not use this grounding cable to ground any other electrical devices.
- Page 10 Ingress protection DANGER! After all servicing and maintenance work on the measuring device, the specified protection class must be ensured again. Technical data of limit switches: 1) For devices with the valve at the top in the output and devices with flow regulators for vari- able outlet pressure, the function is inverted! INFORMATION! The limit switches with ring diameters of 15 mm / 0.6"...
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Page 11: Maintenance And Care
Maintenance and Care Due to the small number of moving parts, these devices require minimal maintenance. Nev- ertheless, regular performance tests and maintenance will not only increase the service life and functional safety of the device but also those of the entire installation. The frequency of maintenance depends on the following: The contamination of the medium •... - Page 12 All meters are equipped with an integrated needle valve for exactly regulating the flow rate. 20181113 PKP Prozessmesstechnik GmbH +49 (0) 6122-7055-0 • T +49 (0) 6122 7055-50 Borsigstr. 24 • D-65205 Wiesbaden info@pkp.de •...
- Page 13 [mm] c [mm] 3 mA passage from bottom to top DS10.1 (monostabile or 3-wire contacts on DS10.2 request) DS10.3 DS10.4 PKP Prozessmesstechnik GmbH +49 (0) 6122-7055-0 • T +49 (0) 6122 7055-50 Borsigstr. 24 • D-65205 Wiesbaden info@pkp.de • www.pkp.de...
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