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Summary of Contents for Endress+Hauser t-switch ATT11
- Page 1 KA00053D/22/EN/01.11 KA001A/05/e/03.02 t-switch ATT11 Flow Limit Switch for Liquids and Gases...
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Page 3: Table Of Contents
Contents Safety Notes Handling Mounting and Installation 4-10 Electrical Connection Operation DIL Switch Explanations 13-14 Quick Set-up Guidelines Set-up Explanation Set-up Procedure: Set Zero Flow Set Maximum Flow Set Setpoint (AUTO) Set Setpoint (MANUAL) Set Medium Selection Set Relay Mode Diagnostics/Error Codes Technical Data 23-24... -
Page 4: Safety Notes
Safety Notes The t-switch ATT11 is designed for flow limit detection in liquids and gases. The ATT11 should be installed, connected, commissioned, operated and maintained by qualified and authorised personnel only, under strict observance of these operating instructions, any relevant standards, legal requirements and where appropriate, the certificate. -
Page 5: Mounting And Installation
Mounting and Installation Guidelines for Threaded Process Connections " (G) Use appropriately sized sealing washer. " NPT Use a suitable thread tape to achieve a reliable seal. Always use a spanner to tighten the t-switch process connection. Do not use housing to turn. Note For other types of process fittings follow standard good working practices. - Page 6 Mounting and Installation Sensor Orientation Markings Every process connection has an orientation mark stamped on it. The locations of these marks are shown below and for optimum performance it is important that it is facing the flow.
- Page 7 Mounting and Installation Sensor Orientation and Flow Direction It is important that the sensor is installed, such that the orientation mark is positioned upstream to the flowing fluid. If the sensor is not installed as above it may affect the performance of the instrument.
- Page 8 Mounting and Installation Insertion Depth For optimum measuring performance the active area should be positioned anywhere between 5% and 50% of the internal pipe diameter. The sensor tip should be in contact with the medium at all times. For pipe diameters ≥DN250 For pipe diameters <DN250 Each form of process connector has an orientation mark that should or = to sign be positioned in line facing the oncoming flow.
- Page 9 Mounting and Installation Vertical Pipeline Flow Direction ✕ Liquid Liquid Horizontal Pipeline Positioning LIQUID LIQUID (Partially Full) LIQUID LIQUID LIQUID LIQUID (Dirty)
- Page 10 Mounting and Installation Good installation Practice Summary Avoid installing in areas of extreme flow turbulence. For example; Directly after bends or expansions/reductions. >10 dia >2 dia Directly downstream of isolation and control valves especially if partially opened. >50 dia >2 dia Directly after pumps, fans and compressors.
- Page 11 Mounting and Installation Sanitary Sensor Positioning (EHEDG/3A) Standard Version Extended Version ✕ Sanitary Sensor Mounting Guideline (EHEDG/3A) It is the responsibility of the user to ensure that the volume enclosed by the mounting boss has sufficient dimensions to ensure adequate cleaning takes place.
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Page 12: Electrical Connection
Electrical Connection 1 2 3 4 5 6 7 8 AUTO MANUAL Power Warning! Fuse Fuse 0.5A 0.5A Power supply (Ground) u: 18-30V AC/DC – Output For AC operation Potential-free contact terminals 1+2 are 24V DC @ 0.5A not polarity sensitive. 120V AC @ 0.5A Note In order to meet EMC requirements, screened or shielded cable is recommended. -
Page 13: Operation
Operation DIL Switches (Dual in Line) The dual-in-line (DIL) switches are used to configure the following parameters within the device. • Zero Flow ATT11 : t-switch • Maximum Flow Display socket • Setpoint 1 2 3 4 5 6 7 8 AUTO •... -
Page 14: Dil Switch Explanations
DIL Switch Explanations The operation of DIL 1-4 depends on the position of DIL 8. If DIL 8 = AUTO Then DIL 1-4 are used for AUTOLOAD features. AUTOLOAD is the means by which actual process flow conditions can be sampled and stored in memory, as either Zero Flow, Maximum Flow or Setpoint. - Page 15 DIL Switch Explanations All of the AUTOLOAD features and their corresponding DIL switch combinations are shown below. (DIL Switch 8 = Auto) DIL 1 DIL 2 DIL 3 DIL 4 Description Normal Run Mode OFF-ON-OFF Autoload Zero Flow OFF-ON-OFF Autoload Maximum Flow OFF-ON-OFF Autoload Setpoint OFF-ON-OFF...
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Page 16: Quick Set-Up Guidelines
Quick Set-up Guidelines These instructions are intended to allow a first time user to set up a flow switch to meet it's basic requirement. Ensure that the device is fitted with appropriate sensor (flat face = liquid, probe = gas). AUTOLOAD Zero This function is used to set the zero-point at operating conditions with no flow. -
Page 17: Set-Up Explanation
Set-up Explanation There are basically two set-up procedures. They are, Option 1 (2) AUTOLOAD Max Flow (3) AUTOLOAD Setpoint Flow (Step1) AUTOLOAD Zero Option 2 (2) AUTOLOAD Max Flow (3) Set MANUAL Setpoint Flow (Step1) AUTOLOAD Zero... -
Page 18: Set-Up Procedure
Set-up Procedure Set Zero Flow This function is used to set the zero-point and appropriate operating curve. 1) Ensure switch is installed at process operating conditions with no flow. 2) Set DIL switches as shown. 1 2 3 4 5 6 7 8 (X = Position not relevant) 3) Sample flow signal by toggling DIL 1 (OFF-ON-OFF within 2.5 seconds). -
Page 19: Set Maximum Flow
Set-up Procedure Set Maximum Flow This function is used to set an actual process flow condition as the 100% flow value. 1) Ensure switch is installed at process conditions with flow running at maximum. 2) Set DIL switches as below. 1 2 3 4 5 6 7 8 (X = Position not relevant) 3) Sample flow signal by toggling DIL 1 (OFF-ON-OFF within... -
Page 20: Set Setpoint (Auto)
Set-up Procedure Set Setpoint (AUTO) This function is used to set a setpoint at an actual process flow anywhere in between the zero and maximum flow settings. 1) Ensure switch is installed at process conditions with flow running at required setpoint. 2) Set DIL switches as below. -
Page 21: Set Setpoint (Manual)
Set-up Procedure Set Setpoint (MANUAL) DIL 8 = Manual This function is used to set a setpoint as a percentage of the maximum using DIL switch combinations from the table shown. DIL 1 DIL 2 DIL 3 DIL 4 Setpoint (% of Maximum) 1) In order to utilise the MANUAL setpoint DIL 8 must be left set to MANUAL. -
Page 22: Set Medium Selection
Set-up Procedure Set Medium Selection This function is used to select a calibration curve for either liquid or gas. This operation is independent of the position of DIL8. DIL 5 DIL 6 Selection Flat Face Probe X (liquids only) DO NOT USE DO NOT USE DO NOT USE DO NOT USE X (gas only) If a display is fitted it will show F1 for 3 seconds followed by the... -
Page 23: Diagnostics/Error Codes
Diagnostics/Error Codes Sensor Faults Action E001 Sensor Open Circuit Replace sensor E002 Sensor Short Circuit Replace sensor Output Faults E010 Relay not functioning Remove electronic insert, Power Faults check board connections. E100 Internal Power Fault E200 Power Supply out of range E300 E100 + E200 AUTOLOAD Errors... -
Page 24: Technical Data
Technical data Process Conditions • Nominal Process Diameters: DN25 ... 1000 • Process Pressure Range: 25 Bar g (Process fitting dependent) • Process Temperature Range: -10 to +80°C Materials • Meter Body: 1.4404/1.4435/316L • Transducers: 1.4404/1.4435/316L • Polyester Housing: PBT-FR (polyester) with cover in PBT-FR or with transparent cover in PA 12, Seal of cover;... - Page 25 Human interface • Electronic Insert: 8 DIL switches for commissioning • Red LED to indicate switching status, flashes under fault condition • Optional Display: 4 numeric characters with bar graph Electrical • Power Supply: 18-30V DC / AC (50/60 Hz) •...
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Page 26: Contact Addresses
+1 (905) 6819292 +45 (70) 132133 +54 (11) 45227909 +1 (905) 6819444 info@dk.endress.com endress_argentina@arnet. info@ca.endress.com Finland com.ar Chile Metso Endress+Hauser Oy Australia Endress+Hauser +358 (9) 204 83 160 Endress+Hauser (Chile) Ltd. +358 (9) 204 83 161 (Australia) PTY.LTD. +56 (2) 3213009 info@fi.endress.com... - Page 27 +63 (2) 6 38 80 42 endress@se.endress.com info@it.endress.com Poland Switzerland Japan Endress+Hauser Polska Endress+Hauser Metso AG Sakura Endress Co. Ltd. Sp. z o.o. +41 (61) 7 15 75 75 +81 (422) 540611 +48 (22) 7 20 10 90 +41 (61) 7 11 16 50...
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