Milltronics POINTEK ULS 200 Instruction Manual
Ultrasonic level switch
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Summary of Contents for Milltronics POINTEK ULS 200
- Page 1 POINTEK ULS 200 ULTRASONIC LEVEL SWITCH Instruction Manual PL-541 January 2001 33455410 Rev. 1.4...
- Page 2 Contact SMPI Technical Publications at the following address: Technical Publications Siemens Milltronics Process Instruments Inc. 1954 Technology Drive, P.O. Box 4225 Peterborough, Ontario, Canada, K9J 7B1 Email: techpubs@milltronics.com For the library of SMPI instruction manuals, visit our Web site: www.milltronics.com © Siemens Milltronics Process Instruments Inc. 2001...
- Page 3 The Pointek ULS 200 is an excellent primary detection device, but should not be used as a backup device. For backup devices use a contacting technology such as the Pointek CLS 200.
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Page 4: Specifications
SPECIFICATIONS AC Version ± Power: » 100 - 230 V ac, 15%, 50/60 Hz, 12 VA (5W) max. Fuse: » Slow-Blow, 0.25 A, 250 Vac Output: » repeatability: » 0.25 % of full range » resolution: » 3 mm ( 0.1" ) »... - Page 5 Programming: » 2 keys Temperature Compensation: » built-in to compensate over the operating range Display: » liquid crystal » three 9 mm (0.35") digits for reading of distance between sensor face and material, multisegment graphic for operation status (14 ga) solid / Electronics/Enclosure:»...
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Page 6: Installation
The cover should be accessible to allow programming, wiring and display viewing. It is advisable to keep the Pointek ULS 200 away from high voltage or current runs, contactors and SCR control drives. - Page 7 Mount the ULS 200 with the sensor face at least 25 cm above the highest anticipated level. THREADED The Pointek ULS 200 is available in three thread types: 2" NPT, 2" BSP or PF2. Before mounting the Pointek ULS 200, insure that the mating threads are of the same type, otherwise the threads can be damaged.
- Page 8 The Pointek ULS 200 can be fitted with the optional 75 mm (3") flange adapter for mating to 3" ANSI, DIN 65PN10 and JIS 10K 3B flanges. For Hazardous Location Model see Milltronics drawing 0-9440026Z-DI-A SANITARY The Pointek ULS 200 also comes in a sanitary version for use in the food and pharmaceutical industries.
- Page 9 Mount the Pointek ULS 200 onto the top of the tank’s sanitary ferrule. Secure mating by surrounding Pointek ULS 200 the joint with the optional clamp. Tighten the adjusting nut with your hand. Do not use a wrench. optional clamp...
- Page 10 INTERFACE ac Version A circuit breaker or switch in the building installation, marked as the disconnect switch, shall be in close proximity to the equipment and within easy reach of the operator. Relay contact terminals are for use with equipment having no accessible live parts and wiring having insulation suitable for at least 250 V.
- Page 11 INTERCONNECTION Installation shall only be performed by qualified personnel and in accordance with local governing regulations. This product is susceptible to electrostatic shock. Follow proper grounding procedures. Separate cables and conduits may be required to conform to standard instrumentation wiring or electrical codes.
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Page 12: Operation
OPERATION START UP With the Pointek ULS 200 correctly installed (or aimed at a wall 0.25 to 5 m away), apply power and observe the Pointek ULS 200 start up sequence: The display and operation sequence arrives within a few seconds at the run mode, which is the measurement of the distance from the transducer face to the material level in the units indicated. - Page 13 alarm 1 1. Position the unit so that it reads 0.75 m. 0.75 m function display: high alarm current setpoint, 0.5 m 4. Once installed, the unit will register a high alarm at 0.75 m from the sensor face. change setpoint Loss Of Echo new setpoint based on retry...
- Page 14 DISPLAY / OPERATION STATUS program adjustment mode value reading alarm 1 ↑ units units alarm 2 ↓ operation status Operation Status - Run Mode - echoes are valid and within range. - echoes are lost due to poor conditions or out of range. This may be typical in high alarm applications where there are deep vessels and the material level is normally out of range.
- Page 15 APPLICATIONS Pointek ULS 200 is designed for use as a process level switch. The local display is used only as an aid during start up. The instrumentation interface is comprised solely of the two alarm outputs. Switching applications are based on the alarm functions adjustment.
- Page 16 It is therefore common to apply the switch on vessels where the material is normally below the unit’s range. Under such a condition the Pointek ULS 200 loses echo, and if prolonged, defaults to fail-safe operation. As this would be a normal occurrence, it is not advisable to select the fail-safe high option.
- Page 17 (3 / 5 metres). If the material can fall below the unit’s range, the Pointek ULS 200 loses the echo, and if prolonged, defaults to fail-safe operation. The fail-safe default should be set to suit the application.
- Page 18 Low Level Switch This application uses the Pointek ULS 200 to provide one or two low level alarms. The device range applies to its switching capability, and not the process range of the material. As such the low and / or low-low level setpoints must be within the device’s range (3 / 5 metres).
- Page 19 ADJUSTMENTS There are several operating adjustments that can be made to the Pointek ULS 200. To access the operating adjustments, simultaneously press both keys repeatedly until the desired adjustment is obtained. A viewing period of the adjustment value is initiated. During this time the value can be changed by pressing either the ‘up’...
- Page 20 To adjust a value: select adjustment e.g. alarm 1 e.g. 0.5 m current value change value e.g. increase to 0.75 m new value e.g. new alarm setpoint 0.75 m 6 s delay return to run For faster scrolling, hold the key depressed and release when the desired value is obtained.
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Page 21: Alarm Function
Reference Method (Quick Start). The setpoints are referenced from the face of the sensor. They should not be set at or above the blanking value, or at or below the range limit. Pointek ULS 200 blanking alarm... -
Page 22: Alarm Delay
ALARM DELAY Adjust the time delay, in seconds, from when the material reaches the alarm level and the alarm relay is actuated. If the material level withdraws from the alarm level, the delay is reset to 0. The set time delay applies to both relays and all alarm functions except ‘Loss OF Echo’. Factory setting: 0 seconds. -
Page 23: Range Limit
It is measured outward from the sensor face. The minimum recommended blanking value is 0.25 m (0.82 ft) but can be increased in order to extend the blanking. Pointek ULS 200 blanking Factory setting: 0.20 m (0.66 ft) RANGE LIMIT The range limit is the distance at which measurements are ignored. -
Page 24: Speed Of Response
The speed of response adjustment allows the user to collectively set a number of operating parameters. measurement is the limit to which the Pointek ULS 200 is able to keep up with response : rates of change. If the Pointek ULS 200 measurement cannot keep up with the rate of level change, set the adjustment from ‘1’... -
Page 25: Fail-Safe Mode
FAIL-SAFE MODE In the event that a loss of echo condition exceeds the fail-safe timer (speed of response variable), ‘?’ appears in the display; and if a relay is assigned to ‘LOE’ (alarm function option), it is engaged. This function must be used with the Alarm Function on page 20. fail-safe mode alarm... -
Page 26: Troubleshooting
TROUBLESHOOTING The echo is not reliable and Pointek ULS 200 is waiting for a valid echo before updating the measurement. Probable causes are: Remedy: material or object in contact with lower material level or raise Pointek sensor face ULS 200... - Page 27 *7ml19981as01*...
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