E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 1 of 23 HygroFlex HF7 Humidity Temperature Transmitters User Guide © 2009-2011; Rotronic AG E-M-HF7-V1_24
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 2 of 23 Table of contents 1 2 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 4 4.1 4.2 5 5.1 5.2 5.3 6 6.1 6.2 6.3 7 7.1 7.2 8 8.1 8.2 8.3 8.4 8.5 9 10 10.1 10.2 11 12 13 Overview ..............................................................................................................................................
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 3 of 23 Applicability: This manual applies to all instruments of the HF7 series with firmware version 1.x, where 1.x can be 1.0, 1.1, etc. Changes to the last digit of the version number reflect minor firmware changes that do not affect the manner in which the instrument should be operated.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title 2 Instruction Manual Document Type Page 4 of 23 Mechanical configurations and dimensions © 2009-2011; Rotronic AG E-M-HF7-V1_24
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 3 General description 3.1 Power supply 5 of 23 Depending on the circuit type, the HF7 requires the following power supply: HF72 (2-wire, loop powered): 10…28 VDC - depending on the load connected to the output(s). The minimum supply voltage can be determined as follows: a) V min = 10 V + (0.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 6 of 23 Signal type Maximum offset at range bottom 0…1 V 3 mV 0…5 V 50 mV 0…10 V 90 mV 0…20 mA 4 µA 4…20 mA No offset HF73 The ROTRONIC HW4 software allows changing the type of output signal to one of the following: 0…20 mA, 4…20 mA, 0…1V, 0…5V or 0…10V.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document Type Page Document title 3.7 Instruction Manual 7 of 23 Sensor protection (dust filter) A dust filter is required to protect the sensors against dust particles and high air velocity. The probe of the HF7 is equipped with a with a metal filter base mod. NSP-ME. The filter cartridge must be ordered separately (see Accessories 11.5). Filter cartridge mod.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 8 of 23 MEASUREMENT LOOP VALIDATION AirChip 3000 Functions Description ► Simulator mode Used to make the HF7 generate fixed values for the humidity, temperature and calculated parameter.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 9 of 23 Humidity / temperature adjustment HF72, HF73 Device write protection HF72, HF73 Disabled Menu access from keypad HF72, HF73 Enabled Limit humidity output to 100 %RH HF72, HF73 Enabled Out-of-limit value digital / display alarm HF72, HF73 Disabled Data recording HF72, HF73 Enabled (loop mode – 10
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title e) 5.2 10 of 23 Prevent the accumulation of condensation water at the level of the sensor leads. Install the probe so that the probe tip is looking downward. If this is not possible, install the probe horizontally.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Electrical installation 6.1 General wiring guidelines Document Type Page Document title 6 Instruction Manual 11 of 23 Power supply wiring Heavy machinery and instrumentation should not share the same power supply wiring. If this cannot be avoided, noise filters and surge protectors should be used. Most UPS devices have those features already integrated.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 12 of 23 Lightning protection Cabling in areas with a risk of lightning requires a lightning protection. For cabling underground in between buildings, we recommend the use of special fiber optic cables. If this is not possible, use copper cables that are suitable for underground installation. 6.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 13 of 23 Terminal block diagram Terminals Description K1-1: H+V Power supply: 10…28 VDC (+) K1-2: H-OUT Relative humidity or dew point (+) OUT-1 K1-3: T+V Power supply: 10…28 VDC (+) K1-4: T-OUT Temperature output (+) OUT-2 Note: connect the + of the power supply to only one of the V+ terminals.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 14 of 23 6.3.2 HF73: 3-wire transmitter Electrical diagram for voltage outputs The maximum permissible cable length can be determined under consideration of the voltage drop caused by the current flowing to the devices connected to the unit.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 15 of 23 Terminal block diagram Terminals Description K1-1: OUT1 Relative humidity or dew point (+) K1-2: OUT2 Temperature output (+) K1-3: GND Ground (tied with other GND) K2-1: PWR Power supply: 15…40 VDC (+) or 12…28 VAC (Phase) K2-2: GND Power supply (-) or neutral (tied with other GND) Measuring humid
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 16 of 23 7 Operation 7.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 8 Maintenance 8.1 Service cable 17 of 23 IMPORTANT: o Use service cable AC3009 with all 2-wire, loop powered transmitters. This cable powers up the transmitter via the service connector.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title 8.3 Instruction Manual Document Type Page 18 of 23 Periodic calibration check Both the Pt 100 RTD temperature sensor and associated electronics are very stable and should not require any calibration after the initial factory adjustment. Long term stability of the ROTRONIC Hygromer humidity sensor is typically better than 1 %RH per year.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document title 9 Instruction Manual Document Type Page 19 of 23 Firmware updates Firmware updates will be available on the ROTRONIC website for downloading. Firmware files are given a name that shows both to which device the file applies and the version number of the firmware. All firmware files have the extension HEX.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 10 Technical data 10.1 Specifications General HF72 Device type Humidity temperature transmitter with analog output signals Circuit type 2-wire, loop powered Mechanical configuration types N, D, A and W Power supply and connections HF72 Supply voltage (VDD) 10…28VDC V min = 10 V + (0.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title Start-up time and data refresh rate HF72 HF73 Start-up time 3.4s (typical) 1.9s (typical) Data refresh rate 3.4s (typical) 1.
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 22 of 23 Conformity with standards HF72 CE / EMC immunity EMC Directive 2004/108/EG: EN 61000-6-1: 2001, EN 61000-6-2: 2005 EN 61000-6-3: 2005, EN 61000-6-4: 2001 + A11 Solder type Lead free (RoHS directive) Fire protection class Corresponds to UL94-HB FDA / GAMP directives compatible Environmental limits HF
E-M-HF7-V1_24 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF7 Humidity Temperature Transmitters: User Guide Document Type Page Document title 11 Instruction Manual 23 of 23 Accessories For accessories and parts such as the HW4 configuration software, service cables, calibration accessories and spare dust filters, please see document E-M-HC2-accessories 12 Supporting documents Document File Name Contents E-M-HC2-accessories Accessories and parts for probes, indicators
