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Related Manuals for Endress+Hauser IO-Link Ceraphant PTC31B
Summary of Contents for Endress+Hauser IO-Link Ceraphant PTC31B
- Page 1 Products Solutions Services BA01911P/00/EN/01.18 71422361 2018-12-20 Operating Instructions Ceraphant PTC31B, PTP31B, PTP33B IO-Link Process pressure measurement Pressure switch for safe measurement and monitoring of absolute and gauge pressure...
- Page 2 • The manufacturer reserves the right to modify technical data without prior notice. Your Endress+Hauser distributor will supply you with current information and updates to these Operating Instructions. Endress+Hauser...
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Page 3: Table Of Contents
Status LEDs ......30 Resetting to factory settings (reset) ..30 Endress+Hauser... - Page 4 17.6 Process ......88 Index ........90 Endress+Hauser...
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Page 5: Document Information
1.2.3 Tool symbols Symbol Meaning Open-ended wrench A0011222 1.2.4 Symbols for certain types of information Symbol Meaning Permitted Procedures, processes or actions that are permitted. Forbidden Procedures, processes or actions that are forbidden. Indicates additional information. Endress+Hauser... -
Page 6: Documentation
1. 2. 3. … A, B, C, ... Views Documentation The document types listed are available: In the Download Area of the Endress+Hauser Internet site: www.endress.com → Download 1.3.1 Technical Information (TI): planning aid for your device PTC31B: TI01130P PTP31B: TI01130P... -
Page 7: Terms And Abbreviations
Factory setting: 0 to URL Other calibrated spans can be ordered as customized spans. Pressure Lower range limit Upper range limit Lower range value Upper range value TD (turn down) Turn down Example - see the following section. Endress+Hauser... -
Page 8: Turn Down Calculation
10 bar (150 psi) TD = |5 bar (75 psi) 0 bar (0 psi)| In this example, the TD is 2:1. This span is based on the zero point. Registered trademarks is a registered trademark of the IO-Link company group. Endress+Hauser... -
Page 9: Basic Safety Instructions
The manufacturer is not liable for damage caused by improper or non-designated use. Verification for borderline cases: ‣ For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in verifying the corrosion resistance of process-wetted materials, but does not accept any warranty or liability. -
Page 10: Workplace Safety
It meets general safety standards and legal requirements. It also complies with the EU directives listed in the device-specific EU Declaration of Conformity. Endress+Hauser confirms this by affixing the CE mark to the device. -
Page 11: Product Description
3.2.1 Calculating the pressure Devices with ceramic process isolating diaphragm (Ceraphire ® The ceramic sensor is an oil-free sensor, i.e. the process pressure acts directly on the robust ceramic process isolating diaphragm and causes it to deflect. A pressure-dependent Endress+Hauser... - Page 12 Devices with metallic process isolating diaphragm The process pressure deflects the metal process isolating diaphragm of the sensor and a fill fluid transfers the pressure to a Wheatstone bridge (semiconductor technology). The pressure-dependent change in the bridge output voltage is measured and evaluated. Endress+Hauser...
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Page 13: Incoming Acceptance And Product
A0028673 A0022101 Are the goods undamaged? DELIVERY NOTE A0028673 A0022104 Do the data on the nameplate correspond to the order specifications and the delivery note? If one of these conditions does not apply, please contact your Endress+Hauser sales office. Endress+Hauser... -
Page 14: Product Identification
For an overview of the technical documentation provided, enter the serial number from the nameplates in W@M Device Viewer (www.endress.com/deviceviewer) 4.2.1 Manufacturer address Endress+Hauser SE+Co. KG Hauptstraße 1 79689 Maulburg, Germany Address of the manufacturing plant: See nameplate. 4.2.2... - Page 15 Transporting the product to the measuring point WARNING Incorrect transport! Housing and diaphragm may become damaged, and there is a risk of injury! ‣ Transport the measuring device to the measuring point in its original packaging or by the process connection. Endress+Hauser...
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Page 16: Installation
(1) is pointing downwards at an angle or to the side, if possible. A0022252 Influence of the installation position Any orientation is possible. However, the orientation may cause a zero point shift i.e. the measured value does not show zero when the vessel is empty or partially full. A0024708 Endress+Hauser... -
Page 17: Mounting Location
• defined water column causes only minor/negligible measuring errors and • only minor/negligible heat effects on the device. Mounting above the tapping point is also permitted. Note the max. permitted ambient temperature of the transmitter! Take the influence of the hydrostatic water column into consideration. Endress+Hauser... - Page 18 – in the suction area of a pump – Or at a point in the tank which could be affected by pressure pulses from the agitator. • A functional test can be carried out more easily if you mount the device downstream from a shutoff device. Endress+Hauser...
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Page 19: Mounting Instructions For Oxygen Applications
Is the device adequately protected against precipitation and direct sunlight? Are the securing screws tightened securely? Is the pressure compensation element pointing downwards at an angle or to the side? To prevent moisture from penetrating, ensure that the connecting cables/plugs are pointing downwards. Endress+Hauser... -
Page 20: Electrical Connection
1 x PNP switch output R1 (not with IO-Link functionality) M12 plug Valve plug Cable 0.63A 0.63A 0.63A L– L– A0029268 L– A0023271 A0022801 brown = L+ black = switch output 1 white = not in use blue = L- green/yellow = ground (a) reference air hose Endress+Hauser... - Page 21 = analog output 4 to 20 mA blue = L- green/yellow = ground (a) reference air hose IO-Link: 1 x PNP switch output R1 with additional analog output 4 to 20 mA (active) M12 plug 0.63 A IO-Link L– A0036998 Endress+Hauser...
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Page 22: Switching Capacity
Typical value at 20 °C (68 °F) approx. 200 mA. 200 mA can be guaranteed over the entire temperature range for the "1 x PNP" current output. Larger currents are supported, thus deviating from the IO-Link standard. Endress+Hauser... -
Page 23: Post-Connection Check
Is the terminal assignment correct? If required: has protective ground connection been established? If supply voltage is present: is the device ready for operation and do values appear on the display module or is the green status LED lit? Endress+Hauser... -
Page 24: Operation Options
They are primarily involved in maintenance and troubleshooting activities for which simple settings have to be made on the device. Technicians work with the devices over the entire life cycle of the product. Thus, commissioning and advanced settings and configurations are some of the tasks they have to carry out. Endress+Hauser... -
Page 25: Operation With Local Display
Ceraphant PTC31B, PTP31B, PTP33B IO-Link Operation options 7.1.3 Structure of the operating menu The menu structure has been implemented according to VDMA 24574-1 and complemented by Endress+Hauser-specific menu items. User role Submenu Meaning/use Operator (display Display/operat. Display of measured values, fault and information messages... -
Page 26: General Value Adjustment And Rejection Of Illegal Entries
• Edit the numerical values or characters within a function A0017880 • Confirm entry • Jump to the next item • Select a menu item and activate the edit mode A0017881 • The key lock function (KYL) is accessed by pressing the key for longer than 2 seconds Endress+Hauser... - Page 27 • Exit edit mode for a parameter without saving the changed value. • You are in a menu at a selection level. Each time you press the keys simultaneously, you go up a level in the menu. A0017879 A0017880 • Long ESC: press the keys for longer than 2 seconds Endress+Hauser...
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Page 28: Locking And Unlocking Operation
2. Enter a COD not equal to 0000 (value range: 0001 to 9999) 3. Wait 60 seconds or restart the device 4. Parameters are locked (protected against changes) Changing a parameter when the device is locked (taking the example of STL) 1. STL, LCK is displayed Endress+Hauser... - Page 29 4. The device is locked again after 60 seconds or following a restart Unlocking the locking mechanism permanently 1. EF → ADM → COD 2. LCK is displayed, enter the customer-specific value defined in COD 3. Enter "0000" 4. The device is unlocked (even after the device is restarted) Endress+Hauser...
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Page 30: Navigation Examples
• One LED indicates if the device is switched on or if an error or fault has occurred A0032027 Status LED Switch output LEDs Resetting to factory settings (reset) See parameter description for RES → 71 Endress+Hauser... -
Page 31: System Integration
• bar: 0.0001 • kPa: 0.01 • MPa: 0.00001 • psi: 0.001 Examples: Pressure value Transmitted Scaled with gradient -320 mbar -3200 -0.32 22 bar 220000 133 kPa 13300 665 psi 665000 399.5 bar 3995000 399.5 Endress+Hauser... -
Page 32: Reading Out And Writing Device Data (Isdu - Indexed Service Data Unit)
Service Data Unit) Device data are always exchanged acyclically and at the request of the IO-Link master. Using the device data, the following parameter values or device statuses can be read out: 8.2.1 Endress+Hauser-specific device data Designation ISDU ISDU Size... - Page 33 0x0061 uint 0 ~ NO, rotated by 180° (DRO) 1 ~ YES Switch display on or off 0x0062 uint 0 ~ NO, (DOF) 1 ~ YES For an explanation of the abbreviations, see the parameter description → 70 Endress+Hauser...
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Page 34: Overview Of Diagnostic Events
String Ceraphant ProductText 0x0014 max. 64 String Absolute and gauge pressure VendorName 0x0010 max. 64 String Endress+Hauser VendorId 7 to 8 0x0007 to 0x0008 VendorText 0x0011 max. 64 String People for Process Automation DeviceId 9 to 11 0x0009 to 0x000B... -
Page 35: Commissioning
• "Post-connection check" checklist Commissioning with an operating menu Commissioning comprises the following steps: • Configure pressure measurement → 36 • Where applicable, perform position adjustment → 38 • Where applicable, configure process monitoring → 40 Endress+Hauser... -
Page 36: Configuring Pressure Measurement
3. Select Value for 20 mA (STU) parameter. Enter the value (300 mbar (4.4 psi)) and confirm. This pressure value is assigned to the upper current value (20 mA). The measuring range is configured for 0 to 300 mbar (0 to 4.4 psi). Endress+Hauser... - Page 37 300 mbar (4.4 psi)for example. Select Pressure applied for 20mA (GTU) parameter. The selection is confirmed by pressing "Get Lower Limit". The pressure value present is assigned to the upper current value (20 mA). The measuring range is configured for 0 to 300 mbar (0 to 4.4 psi). Endress+Hauser...
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Page 38: Performing Position Adjustment
IO-Link: Parameter → Application → Sensor → Zero point adoption (GTZ) Description (typically gauge pressure sensor) The pressure resulting from the orientation of the device can be corrected here. The pressure difference between zero (set point) and the measured pressure need not be known. Endress+Hauser... - Page 39 • Warnings C431 or C432 appear because the value 0 bar (0 psi) was assigned to the real value of 0.08 bar (1.2 psi) present and the sensor measuring range was thus exceeded by ± 20%. SP1 and STU values must be readjusted downwards by 0.08 bar (1.2 psi). Endress+Hauser...
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Page 40: Configuring Process Monitoring
Description Enables the desired behavior of output 2 (not IO-Link output) Options Options: • OFF • 4-20 mA (I) ((can only be selected if the device has been ordered with 4-20mA)) • DC-PNP (PNP) Value for 4 mA (STL) Endress+Hauser... - Page 41 Factory setting Upper measuring limit or as per order specifications. Pressure applied for 4mA (GTL) Navigation Display: EF → I → Pressure applied for 4mA (GTL) IO-Link: Parameter → Application → Current output → Pressure applied for 4mA (GTL) Endress+Hauser...
- Page 42 Incorrect entries are declined, and the last valid value prior to the change is used again. The measured value currently present is accepted as the value for 20 mA anywhere within the measuring range. There is a parallel shift of the sensor characteristic so that the pressure present becomes the max value. Endress+Hauser...
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Page 43: Application Examples
1. Set the switch point to 2 bar (29 psi) 2. Set the switchback point to 1 bar (14.5 psi) 3. Configure the switch output as an "NO contact" (HNO function) The pump is controlled by the defined settings. Endress+Hauser... -
Page 44: Diagnostics And Troubleshooting
IO-Link messages (e.g. "Parameter value above limit") may be displayed when the device is updated with these default values. Existing values are not accepted in this case. The default values apply exclusively to the 10 bar (150 psi) sensor. Endress+Hauser... -
Page 45: Diagnostic Events
↓ ↓ Example A0013959 If two or more diagnostics events are pending simultaneously, only the message with the highest priority is shown. The last diagnostic message is displayed - see Last Diagnostic (LST) in the Diagnosis submenu→ 56. Endress+Hauser... - Page 46 A change in the span • Operate device in the specified results in a violation of the measuring range turn down (max. TD 5:1) • Check the measuring range Values for adjustment (lower range value and upper range value) are too close together Endress+Hauser...
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Page 47: Behavior Of The Device In The Event Of A Fault
– The switch outputs assume the "opened" state. – For the analog output option, an error is signaled with the configured alarm current behavior. 10.4 Signal on alarm 4 to 20 mA The response of the output to error is regulated in accordance with NAMUR NE43. Endress+Hauser... -
Page 48: Behavior Of The Device In The Event Of A Voltage Drop
10.7 Resetting to factory settings (reset) See Reset to factory settings (RES) parameter description→ 71. Maintenance No special maintenance work is required. Keep the pressure compensation element (1) free from contamination. Endress+Hauser... -
Page 49: Exterior Cleaning
• The cleaning agents used should not corrode the surface and the seals. • Mechanical damage to the process isolating diaphragm, e.g. due to sharp objects, must be avoided. • Observe the degree of protection of the device. See the nameplate if necessary → 14. Endress+Hauser... -
Page 50: Repairs
The measuring device must be returned if the wrong device has been ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium. -
Page 51: Operating Menu
Switching delay time, output 1 → 67 Switchback delay time, output 1 → 67 Output 1 NO contact for hysteresis function → 70 NC contact for hysteresis function → 70 Endress+Hauser... - Page 52 Switch output closed Simulation value for analog output in mA Simulation value for analog output in mA Simulation value for analog output in mA Simulation value for analog output in mA Simulation value for analog output in mA Endress+Hauser...
- Page 53 A = Functionality is active if "I" has been configured in the "FUNC" menu. I can only be selected if the device has been ordered with 4-20 mA. For devices with a 4-20 mA current output: can only be selected if the output is switched on. Endress+Hauser...
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Page 54: Overview Of The Io-Link Operating
Switchback point value / Lower value for pressure window, output 2 (RP2 / → 65 FL2) Switching delay time, output 2 (dS2) → 68 Switchback delay time, output 2 (dR2) → 68 Output 2 (OU2) → 70 Endress+Hauser... - Page 55 → 73 Display measured value rotated by 180° (DRO) → 73 Switch display on or off (DOF) → 73 Observation Pressure → 74 Switch State Output (Ou1) → 74 Switch State Output (Ou2) → 74 Endress+Hauser...
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Page 56: Description Of Device Parameters
Displays the current device status. Last Diagnostic (LST) Navigation Display: DIAG → Last Diagnostic (LST) IO-Link: Diagnosis → Last Diagnostic (LST) Description Displays the latest device status (error or warning) that was rectified during operation. Simulation Switch Output (OU1) Endress+Hauser... - Page 57 IO-Link: Diagnosis → Device Search Description This parameter is used to uniquely identify the device during installation. The green LED is lit (= operational) on the device and starts to flash with increased luminosity. Options • OFF • ON Factory setting Endress+Hauser...
- Page 58 IO-Link: Parameter → Application → Sensor → Unit changeover (UNI) Description Select the pressure engineering unit. If a new pressure engineering unit is selected, all pressure-specific parameters are converted. Options • bar • kPa • Mpa • psi Factory setting Depends on order specifications. Zero point configuration (ZRO) Endress+Hauser...
- Page 59 IO-Link: Parameter → Application → Sensor → Zero point adoption (GTZ) Description (typically gauge pressure sensor) The pressure resulting from the orientation of the device can be corrected here. The pressure difference between zero (set point) and the measured pressure need not be known. Endress+Hauser...
- Page 60 0.0 to 999.9 seconds in increments of 0.1 seconds Factory setting 2 seconds Value for 4 mA (STL) Navigation Display: STL → Value for 4 mA (STL) IO-Link: Parameter → Application → Current output → Value for 4 mA (STL) Endress+Hauser...
- Page 61 Factory setting Upper measuring limit or as per order specifications. Pressure applied for 4mA (GTL) Navigation Display: EF → I → Pressure applied for 4mA (GTL) IO-Link: Parameter → Application → Current output → Pressure applied for 4mA (GTL) Endress+Hauser...
- Page 62 There is a parallel shift of the sensor characteristic so that the pressure present becomes the max value. Alarm current (FCU) Navigation Display: EF → I → Alarm current (FCU) IO-Link: Parameter → Application → Current output (OU2) → Alarm current (FCU) Endress+Hauser...
- Page 63 "SP1" must be greater than the switchback point "RP1"! A diagnostic message is displayed if a switch point "SP1" is entered that is ≤ the switchback point "RP1". While it is possible to make this entry, it does not take effect in the device. The entry must be corrected! Endress+Hauser...
- Page 64 To prevent switch-on and switch-off if values are around the switch point "SP1" or switchback point "RP1", a delay can be set for the relevant points. In this regard, see the Switching delay time, output 1 (dS1) and Switchback delay time, output 1 (dR1) parameter descriptions. Endress+Hauser...
- Page 65 Display: SP2 / FH2 / RP2 / FL2 → Switch point value.../Switchback point value... IO-Link: Parameter → Application → Switch output (OU2) → Switch point value.../ Switchback point value... Prerequisite The following functions are available only if a hysteresis function has been configured for the switch output (output 2 (Ou2)). Endress+Hauser...
- Page 66 To prevent switch-on and switch-off if values are around the switch point "SP2" or switchback point "RP2", a delay can be set for the relevant points. In this regard, see the Switching delay time, output 2 (dS2) and Switchback delay time, output 2 (dR2) parameter descriptions. Endress+Hauser...
- Page 67 The switching delay time/switchback delay time function is implemented using the dS1 and dR1 parameters. Since the parameter settings depend on one another, the parameters are described all together. • dS1 = switching delay time, output 1 • dR1 = switchback delay time, output 1 Endress+Hauser...
- Page 68 Set time for which the specific switchback point must be reached continuously without interruption until an electrical signal change takes place. Input range 0.00 - 50.00 seconds Factory setting Switching delay time, output 2 (dS2) Switchback delay time, output 2 (dR2) Endress+Hauser...
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Page 69: Ds2 Switching Delay Time, Output
Set time for which the specific switch point must be reached continuously without interruption until an electrical signal change takes place. dR2 Set time for which the specific switchback point must be reached continuously without interruption until an electrical signal change takes place. Input range 0.00 - 50.00 seconds Factory setting Endress+Hauser... - Page 70 Factory setting Hysteresis normally closed (HNC) or as per order specifications Display: HI IO-Link: HI Max value (maximum indicator) Navigation Display: EF → I → HI IO-Link: Parameter → System → Device Management → HI Max value (maximum indicator) Endress+Hauser...
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Page 71: Hi Max Value (Maximum Indicator)
Any customer-specific configuration carried out at the factory is not affected by a reset (customer-specific configuration remains). The following parameters are not reset when a reset is performed: • LO Min value (minimum indicator) • HI Max value (maximum indicator) • Last Diagnostic (LST) • Revisioncounter (RVC) Endress+Hauser... -
Page 72: Lck Unlocking Code
A code can be entered to protect parameter settings against unauthorized and unwanted access. Input range 0000: Device is permanently unlocked 0001-9999: Device is locked Factory setting 0000 Note Locking is enabled after 60 seconds in the measured value display and following a device restart. Endress+Hauser... -
Page 73: Display Measured Value
DRO Display measured value rotated by 180° Navigation Display: EF → DIS → DRO IO-Link: Parameter → System → Display → DRO Description Use this function to rotate the measured value display by 180°. Options • NO • YES DOF Switch display on or off Endress+Hauser... -
Page 74: Observation
Use this function to switch the display on or off. When the user exits the menu, there is a delay of 30 seconds until the display is switched off (including background lighting). Options • NO • YES 15.1 Observation The process data → 31 are transmitted acyclically. Endress+Hauser... -
Page 75: Accessories
PTP33B Varivent F DN32 PN40 52023996 52024003 PTP33B Varivent N DN50 PN40 52023997 52024004 PTP33B DIN11851 DN40 52023999 52024006 PTP33B DIN11851 DN50 52023998 52024005 PTP33B SMS 1½" 52026997 52026999 PTP33B Clamp 1½" 52023994 52024001 PTP33B Clamp 2" 52023995 52024002 Endress+Hauser... -
Page 76: M12 Plug Connectors
• 4 = BK = black 40 (1.57) ³ A0024476 M12 90 degrees IP67 • Union nut: GD Zn/Ni 71114212 (self-terminated connection • Body: PBT at M12 plug) • Seal: NBR A0024478 Product Configurator, order code for "Enclosed accessories" Endress+Hauser... -
Page 77: Technical Data
"Calibration; Unit" option "U"). It is possible to invert the output signal (LRV = 20 mA; URV = 4 mA). Prerequisite: URV < LRV Product Configurator, order code for "Sensor range" Vacuum resistance: 0.7 bar (10.5 psi) abs Vacuum resistance: 0.5 bar (7.5 psi) abs Vacuum resistance: 0 bar (0 psi) abs Endress+Hauser... - Page 78 "Calibration; Unit" option "U"). It is possible to invert the output signal (LRV = 20 mA; URV = 4 mA). Prerequisite: URV < LRV Product Configurator, order code for "Sensor range" Vacuum resistance: 0.01 bar (0.145 psi) abs Endress+Hauser...
- Page 79 Ceraphant PTC31B, PTP31B, PTP33B IO-Link Technical data Maximum turn down which can be ordered for absolute pressure and gauge pressure sensors Ranges 0.5%/0.3%: TD 1:1 to TD 5:1 Endress+Hauser...
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Page 80: Output
Typical value at 20 °C (68 °F) approx. 200 mA. 200 mA can be guaranteed over the entire temperature range for the "1 x PNP" current output. Larger currents are supported, thus deviating from the IO-Link standard. Endress+Hauser... - Page 81 MIN to MAX active immediately from HLD (HOLD) to MAX active immediately from HLD (HOLD) to MIN active immediately from MIN to HLD (HOLD) active outside the fault state from MAX to HLD (HOLD) active outside the fault state Endress+Hauser...
- Page 82 Dead time (t ) [ms] Time constant (T63), t [ms] Time constant (T90), t [ms] 7 ms 11 ms 16 ms 17.2.9 Dynamic behavior of switch output PNP switch output and 2 x PNP switch output: response time ≤20 ms Endress+Hauser...
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Page 83: Performance Characteristics Of Ceramic Process Isolating Diaphragm
PTC31B - platinum ±0.3 ±0.1 ±0.1 The non-linearity for the 40 bar (600 psi) sensor can be up to ± 0.15% of the calibrated span up to the maximum turn down. Overview of the turn down ranges → 78 Endress+Hauser... - Page 84 ≥ 1 bar (15 psi) <0.8 <1 17.3.7 Long-term stability 1 year 5 years 8 years % of URL ±0.2 ±0.4 In preparation 17.3.8 Switch-on time ≤2 s (For small measuring ranges, pay attention to the thermal compensation effects.) Endress+Hauser...
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Page 85: Performance Characteristics Of Metal Process Isolating Diaphragm
% of the calibrated span to the maximum turn down Reference accuracy Non-linearity Non-repeatability PTP31B - standard ±0.5 ±0.1 ±0.1 PTP31B - platinum ±0.3 ±0.1 ±0.1 PTP33B - standard ±0.5 ±0.1 ±0.1 PTP33B - platinum ±0.3 ±0.1 ±0.1 Overview of the turn down ranges → 79 Endress+Hauser... - Page 86 <1 bar (15 psi) <1 <1.2 ≥ 1 bar (15 psi) <0.8 <1 17.4.7 Long-term stability Device 1 year 5 years 8 years % of URL 17.4.8 Switch-on time ≤2 s For small measuring ranges, pay attention to the thermal compensation effects. Endress+Hauser...
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Page 87: Environment
• For intended use, the switch output can switch to the communication mode for 0.2 s in the event of transient faults. • Maximum deviation: 1.5% with TD 1:1 For more details, please refer to the Declaration of Conformity. Endress+Hauser... -
Page 88: Process
Temperature compensation takes place after a few minutes. Internal temperature compensation is faster the smaller the change in temperature and the longer the time interval. For further information please contact your local Endress+Hauser Sales Center. 17.6.2 Process temperature range for devices with metallic process... - Page 89 CIP cleaning and can result in local steam hammering the next time steam cleaning takes place. In practice, drying the process isolating diaphragm (e.g. by blowing) has proved to prevent steam hammering. Endress+Hauser...
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Page 90: Index
Switching delay time, output 2 (dS2) ... . . 68 Last Diagnostic (LST) ......56 Endress+Hauser... - Page 91 Zero point adoption (GTZ) ....38, 59 Zero point configuration (ZRO) ....38, 58 Endress+Hauser...
- Page 92 *71422361* 71422361 www.addresses.endress.com...