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E-M-PF4-V1_00

Rotronic AG

Bassersdorf, Switzerland

Document Code

Unit

PF4 Differential Pressure Transmitter:

Instruction Manual

Document Type

Page

of 54

Document Title

E-M-PF4-V1_00

PF4

Differential Pressurep and Temperature Transmitter

Instruction Manual

Summary of Contents for PF4

Page 1: ...and Document Code Unit PF4 Differential Pressure Transmitter Instruction Manual Instruction Manual Document Type Page 1 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 PF4 Differential Pressurep a...

Page 2: ...ion 11 3 4 HC2 Connection 11 3 5 Analog Outputs 12 3 6 Relay 14 3 7 Service Interface 14 3 8 Display and Keys 15 3 9 HW4 Software Compatibility 16 4 Mechanical Installation 17 4 1 General 17 4 2 Housi...

Page 3: ...ocument Type Page 3 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 7 3 Device Calibration and Adjustment Procedure 44 7 4 Validation of Analog Output Signals 48 8 Firmware Update 48 9 Technical D...

Page 4: ...erential pressures The measurement results can be shown on the built in display and exported via the analog outputs Optional connection of a HygroClip2 probe Pt100 sensor or analog input signal is pos...

Page 5: ...itter Instruction Manual Instruction Manual Document Type Page 5 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 2 Dimensions The PF4 comes as wall mounted unit in a ROTRONIC housing The following...

Page 6: ...poses the device can also be supplied with power via the service interface Mini USB port inside housing During configuration with the service interface there is insufficient power to run the different...

Page 7: ...after the heating element Due to the differential pressure dependent flow velocity in the flow passage of the p sensor the downstream temperature sensor heats up more or less than the upstream temper...

Page 8: ...rential Pressure Measurement Ranges The following sensor measurement ranges are available 25 25 Pa 50 50 Pa 100 100 Pa 250 250 Pa 500 500 Pa Differential pressures outside the specified ranges are sho...

Page 9: ...Unit Systems The following unit systems are available Unit Unit Symbol Remarks Pascal Pa 1 Pa 1 N m Inch water column inH2O 1 inH2O 4 C 249 089 Pa Milli pound force per square inch mpsi 1 mpsi 0 001...

Page 10: ...ing filter stages available Practice has shown stages 0 7 meet most application requirements Filter Stage Time Constant 63 Time Constant 99 Description 0 0 s 0 s No filtering 1 0 4 s 1 8 s Weak filter...

Page 11: ...ems are available for temperature measurement C F 3 3 2 Simulator Value When the simulator value has been activated a defined simulator value is used instead of the current measured value 3 4 HC2 Conn...

Page 12: ...g Outputs The ROTRONIC HW4 software enables free configuration and scaling of the analog outputs The measured values differential pressure humidity temperature calculation value can be assigned at wil...

Page 13: ...hanged at will with the ROTRONIC HW4 software in a range from 9 999 to 99 999 The limits of the sensor must however be observed see chapter 3 2 3 3 3 4 The devices have one of the following optional d...

Page 14: ...e the relay remains active until it is reset manually Maximum duty cycle The relay stays on for at most the time set and is then switched off The relay can only be activated by a measured value Assign...

Page 15: ...analog input is only shown when analog input is active calculation no value The first line of the display shows the differential pressure the second the relative humidity and the third the temperatur...

Page 16: ...sured value The display therefore always shows the measured value clearly with the corresponding number of significant decimals 3 9 HW4 Software Compatibility PF4 differential pressure transmitters ar...

Page 17: ...sensor has no influence on measurement i e the device is not sensitive to position However for exact measurement the device must not move and must not be exposed to vibrations IMPORTANT After complete...

Page 18: ...h depression and push through the bottom of the depression Method 2 The mounting kit AC5002 not included is needed for mounting on a DIN top hat rail 35 mm 1 3 8 The mounting kit consists of two clips...

Page 19: ...the PF4 All HC2 probes currently available can be connected The measured data of the HC2 probe is evaluated digitally and shown on the display Two of the measured values can be assigned to the analog...

Page 20: ...and GND see Figure 9 When using an analog probe be sure to define both the voltage signal range and the measurement range of the probe The HW4 software requires definition of the measurement range for...

Page 21: ...Pt100 Connection The PF4 comes optionally with a Pt100 connection with four pin connector Binder series 711 for all Pt100 probes from ROTRONIC and all variants of third party Pt100 probes Figure 10 P...

Page 22: ...ise filters and surge protectors should be used as integrated in most UPS devices 5 1 3 Signal Cable Information The following guidelines are derived from the European standard EN 50170 for the transm...

Page 23: ...Shielded analog inputs Unshielded DC voltage 60 V Shielded process signals 25 V Unshielded AC voltage 25 V Coaxial cables for CRT monitors in common bundles or channels conduits DC voltage from 60 V...

Page 24: ...aximum permissible cable length depends on the voltage drop caused by the flow of current to the devices connected to the PF4 outputs The effective load of a PF4 output comprises the cable and load re...

Page 25: ...e connecting the PF4 to an active Ethernet network make sure it is configured correctly for IP communication Otherwise conflicts could disturb communication in the network Terminals Description K2 1 V...

Page 26: ...he PF4 per display or HW4 software in order to attain the measuring accuracy named in the data sheet Pabs can be determined with a barometer Note The atmospheric pressure at the place of use QFE is to...

Page 27: ...ssure Transmitter Instruction Manual Instruction Manual Document Type Page 27 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 Figure 15 Graph showing the correlation between atmospheric pressure a...

Page 28: ...y the instrument configuration 6 3 Ethernet Connection The PF4 with digital option uses the standard RO ASCII protocol Users who wish to evaluate the measured data without ROTRONIC HW4 software are as...

Page 29: ...shown in the display in mV mA by default For the analog input input signals smaller than 0 mV mA are shown as Input signals greater than 3 2 V 25 mA are shown in the display as This display is also s...

Page 30: ...5 mA RangeLo 0 V 0 mA lowest input value RangeHi 3 2 V 25 mA highest input value ScaleLo Bottom scale limit min value shown in display ScaleHi Top scale limit max value shown in display Figure 16 Grap...

Page 31: ...be selected freely within the complete display range Display Scale but may not exceed the maximum display range of 9 999 99 999 The output range Output Range RangeHi RangeLo of the output signal Outp...

Page 32: ...Code Unit PF4 Differential Pressure Transmitter Instruction Manual Instruction Manual Document Type Page 32 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 Remark on PF4 with HC2 and analog input...

Page 33: ...lay and Keys Figure 18 Display of the PF4 with connected HC2 probe Note Unauthorized use of the menu can be prevented by locking the setting Display Menu using the HW4 software Device Manager Display...

Page 34: ...ure Transmitter Instruction Manual Instruction Manual Document Type Page 34 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 Differential pressure Differential pressure in Pascal Pa Differential pr...

Page 35: ...ure C Differential pressure Pa Relative humidity RH Calculation C Differential pressure Pa Voltage mV Differential pressure Pa Current mA Remark It is possible to switch between display of the tempera...

Page 36: ...r all menus Select Options Enter key Selection of the menu point or menu Return menu one level up Line up option right Line down option left Device Settings Select Options Units Unit for the ambient p...

Page 37: ...n Manual Document Type Page 37 of 54 Document Title 2014 Rotronic AG E M PF4 V1_00 Filters Filter value 0 fast 13 very slow 0 13 suitable setting 0 7 RefValue Current differential pressure can be chan...

Page 38: ...suitable setting 15 40 Trend On Off Pressure Ambient pressure suitable setting 950 1050 hPa 0 9 999 hPa Units Metric 0 9 999 inHg Units English Value 1 Main display None DiffPress TempPt100 Value 2 M...

Page 39: ...Main Menu Menu Navigation valid for all menus Select Options Enter key Selection of the menu point or menu Return menu one level up Line up option right Line down option left Device Settings Select O...

Page 40: ...s a zero adjustment Reset Adjustment Cancels the last change Adjust Zero Adjust Probe Information 1 Display when a HC2 sensor is not connected Select Options Sensor Type Select sensor HC2 Analog In Pr...

Page 41: ...Exchange Sensor is started after selecting Analog In in menu Probe Information The HC2 sensor can be substituted by an analog input depending on order code for current or voltage measurement The actio...

Page 42: ...act The functions have already been described in section 3 6 The relay is configured with the HW4 software as described in the manual E M HW4v3 P 001 6 6 1 Connections The relay switch contacts are lo...

Page 43: ...tware therefore the power must be supplied via terminal block K2 in the bottom part of the housing 7 1 Service Cable Suitable service cables AC3006 requires additional power supply to the device AC300...

Page 44: ...ssed air tubes 7 3 1 Adjust Differential Pressure The differential pressure can be adjusted at two points Zero Any reference point in the sensor measurement range Zero Adjustment 1 Connect the pressur...

Page 45: ...r a defined reference value with a Pt100 simulator or record the current nominal temperature with a reference instrument 2 Enter the reference value determined in MENU Pt100 RefValue 3 Select Adjust i...

Page 46: ...of the temperature or humidity in relation to a reference A one point adjustment results in the same offset being added to all measured values When the temperature is stable press the MENU key to ope...

Page 47: ...ver the measurement range in question should be used The calibration points maximum 100 can be entered in any order but we recommend working from low humidity values to high humidity values When the h...

Page 48: ...If it is important to record the adjustment date use the HW4 software to adjust the probe 7 4 Validation of Analog Output Signals Using the HW4 software it is possible to set fixed values with which...

Page 49: ...net interface Rated current consumption AC supply 70 mA only analog outputs 450 mA with Ethernet interface Electrical connections Terminal block and M16 cable grip optional RJ 45 Ethernet connector Po...

Page 50: ...ed value Temperature dependence Voltage 30 mV Current 60 A Calculated Parameters Psychrometric parameters Dew point Dp above and below freezing point Frost point Fp below freezing point and dew point...

Page 51: ...2 Can be assigned to every parameter Default parameter Relative humidity Temperature Default range Per order code Output 1 and output 2 Signal type 0 20 mA 4 20 mA 0 1 V 0 5 V 0 10 V user configurable...

Page 52: ...and alarm indicators Housing material ABS Housing protection grade IP65 without Ethernet interface IP40 with Ethernet interface Dimensions 129 x 72 x 45 mm Weight 240 g Conformity with Standards CE E...

Page 53: ...ories 10 1 Service Cable Order Code Description AC3006 Service cable USB to UART AC3009 Service cable USB to UART with integrated power supply 10 2 Pressure Tubes AC6001 Connection tube with 4 mm diam...

Page 54: ...AG E M PF4 V1_00 11 Additional Documents Document Name Contents E M HC2 Probes HC2 manual E M HW4v3 Main HW4 software main manual E M TCPIP Conf Manual for Ethernet configuration of ROTRONIC instrumen...

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