Related Manuals for LEYBOLD THERMOVAC TTR 211 S
Summary of Contents for LEYBOLD THERMOVAC TTR 211 S
- Page 1 LEYBOLD VACUUM Vacuum Pumps Instrumentation Fittings and Valves GA 09.216 / 2.02 TTR 211 S; TTR 211 S2 TTR 211 NPT TTR 216 S THERMOVAC Transmitter Cat. No. 157 30; 164 30 157 32; 157 31 Operating Instructions...
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Page 2: Table Of Contents
1.2.1 General data ......4 LEYBOLD service ..... 16 1.2.2 Measurement system . -
Page 3: Description
Description 1.1 General Note Indicates special technical requirements that the user The THERMOVAC transmitter TTR 211 S, TTR 211 S2, must comply with. TTR 211 NPT and TTR 216 S is supplied ready for ope- ration. Even so, we recommend to read these Operating The references to diagrams, e.g. -
Page 4: Purpose
1.1.1 Purpose 1.2 Technical Data The THERMOVAC transmitters TTR 211 S, TTR 211 S2, 1.2.1 General Data TTR 211 NPT and TTR 216 S are compact active pres- sure converters housing a Pirani measurement system Measurement range 5·10 to 1·10 mbar as well as the corresponding operating electronics. -
Page 5: Measurement System
1.2.3 Signal Output - Electrical safety DIN EN 61 010, Part 1, Signal output 0 to 10.6 V corresponding to VDE 0411 Part 1, bzw. IEC 1010-1 - Emission of interferences EN 50081, Part 1, Limit B ≥ 10 kOhm Permissible load resistance - Immunity to interferences EN 50082, Part 2, Level III... -
Page 6: Control Input
1.2.5 Control Input for TTR 211 NPT 73 x 121 x 56 Weight 200 g approx. ≈ 100 kOhm approx. Input resistance (see Fig. 3 and Section 2.2.5) 1.2.9 Ambient Conditions Chart recorder output switchover - 20 °C to + 70 °C ≈... -
Page 7: Equipment
The built-in trigger level is easily adjustable over a range 1.4 Equipment from 1·10 to 500 mbar. The switching function is availa- ble through a relay contact. A LED is provided for indica- 1.4.1 Supplied Equipment tion of the switching function. Cat. -
Page 8: Operation
For overpressure operation and degassing Operation (TTR 216 S only): Ultra sealing disc (3 pcs.) 883 75 Check the technical data first to see whether the trans- Clamping ring for ultra sealing discs 882 75 mitter is suited for your particular application. 2.1 Installation of the TTR 211 S;... - Page 9 Trigger DN 16 KF 1/8" NPT Fig. 1 Dimensional drawing for TTR 211 S and TTR 211 NPT GA 09.216/2.02 - 02/96...
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Page 10: Electrical Connection
2.2 Electrical Connection The electrical connection for the THERMOVAC transmit- Note ters is provided through an 8-way FCC 68 connector Signal ground (pin 5) and power supply ground (pin 2) which links the transmitter to the corresponding opera- are internally linked by a 10 Ohm resistor. For this also ting unit. - Page 11 Power supply LED „POWER“ Trigger Switching threshold Trigger Switching threshold Characteristic Power supply ground adaptation + 10,5 V 10 Ω 27 kΩ Identification Signal ground Broken filament Signal output Control input Sensor Fig. 3 Block diagram GA 09.216/2.02 - 02/96...
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Page 12: Power Supply
(PELV) and available from LEYBOLD upon request. VDE 0100. The THERMOVAC transmitter TTR 211 S, TTR 211 S2, TTR 211 NPT and TTR 216 S is capable of operating off 2.2.3 Switching Threshold... - Page 13 The switching threshold function is available through a floating relay contact (normally open) at Pin 6 and Pin 8. The switching action is indicated by a LED (4/1) which changes its colour from „orange“ to „green“ when the pressure drops below the adjusted threshold. The second switching threshold is available at the elec- trical connection (5/4) by means of a floating changeover Trigger...
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Page 14: Monitor Output
2.2.4 Monitor Output 2.2.5 Switching over the Chart Recorder Output The monitor output (4/3) or (5/1) is accessible through a 3.5 mm jack socket so that the measurement signal and By applying a control voltage to Pin 7 it is possible to the trigger setting may be measured. -
Page 15: Start-Up
2.3 Start-up is raised to 10.5 V and the relay contact is returned to its rest position (open). Connect the THERMOVAC transmitter TTR 211 S, TTR 211 S2, TTR 211 NPT and TTR 216 S according to Section 2.1 and 2.2. 2.4 Troubleshooting LED off. -
Page 16: Maintenance
Maintenance 3.1 LEYBOLD Service 3.3 The Sensing Cell If equipment is returned to LEYBOLD, indicate whether 3.3.1 Cleaning the Sensing Cell the equipment free of substances damaging to health or whether it is contaminated. If it is contaminated also indi- The sensing cell is preferably cleaned by using organic cate the nature of the hazard. -
Page 17: Exchanging The Sensing Cell
5·10 mbar. If this is not the case, you must realign the Key to Fig. 7 transmitter; see Section 3.3.3. 1 Housing 2 Catches 3 Lid 4 Inlay panel 3.3.2 Exchanging the Sensing Cell 5 Slots In order to exchange the sensing cell (in the event of a broken filament or a contaminated sensor) it is required to open the housing first. -
Page 18: Alignment Of The Sensing Cell
- When reassembling the transmitter make sure that the Next evacuate the vacuum system down to a pressure rubber compression piece for the temperature sensor below 5·10 mbar and adjust the Zero alignment poten- is present, the insulation disk has been placed on the tiometer (4/2) so that the voltmeter reads 1.9 V. -
Page 19: Annex 1
Annex 1 Table 1 Relationship between output voltage and pressure U (Out) Pressure U (Out) Pressure U (Out) Pressure U (Out) Pressure [mbar] [mbar] [mbar] [mbar] ———————————— ———————————— ———————————— ———————————— 5.00E-04 2.58E-02 1.32E+00 6.81E+01 5.99E-04 3.08E-02 1.58E+00 8.15E+01 7.17E-04 3.69E-02 1.90E+00 9.75E+01 8.57E-04... - Page 20 Characteristic TTR 211 S / 216 S Equation: U(a) = [ lg (p/mbar) · 1.286 + 6.143 ] Volt Pressure p / mbar GA 09.216/2.02 - 02/96...
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Page 21: Annex 2
Annex 2 0...10 V Measu- rement signal 14.5 V to 36 V Switching contact 60 V, 0.5 A DC TTR 211 S TTR 216 S Trigger- Measurement signal adjustment switchover Example for connecting TTR 211 S / TTR 216 S GA 09.216/2.02 - 02/96... - Page 22 Switching contact 60 V, 0.5 A DC 0...10 V TTR 211 S TTR 216 S 0...10 V 14.5 V to 36 V High tension „ON / OFF“ PTR 225 PTR 237 Example for connecting the TTR 211 S / TTR 216 S and PTR 225 / PTR 237 GA 09.216/2.02 - 02/96...
- Page 23 GA 09.216/2.02 - 02/96...
- Page 24 LEYBOLD VACUUM GmbH Bonner Straße 498 (Bayenthal) D-50968 Cologne Phone +49 (0) 221 347-0 Fax: +49 (0) 221 347-1250 GA 09.216/2.02 - 02/96...
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