E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 1 of 29 HygroFlex HF4 Humidity Temperature Transmitters User Guide © 2009-2011; Rotronic AG E-M-HF4-V1_22
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 2 of 29 Table of contents 1 2 2.1 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 5.4 6 6.1 6.2 6.3 6.4 7 7.1 7.2 7.3 7.4 7.5 8 8.1 8.2 8.3 8.4 8.5 9 10 10.1 10.2 11 12 13 Overview .....................................................................................................................................
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 3 of 29 Applicability: This manual applies to all instruments of the HF4 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-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 2 4 of 29 Mechanical configurations and dimensions Models with USB or Ethernet interface © 2009-2011; Rotronic AG E-M-HF4-V1_22
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 2.1 5 of 29 Display and keypad option The LC display option for the HF43 and HF45 has a backlight. The LC display option for the HF42 does not have a backlight. The upper line corresponds to relative humidity or dew / frost point and the bottom line corresponds to temperature.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 3.3 6 of 29 Calculated parameters Using the ROTRONIC HW4 software, the HF4 can be configured by the user to calculate either the dew point or the frost point. 3.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title 3.5 Instruction Manual Document Type Page 7 of 29 Digital interface (HF45) a) RS-485 serial interface The HF45 has always a RS-485 serial interface. When the number of available network ports is limited, this interface can be used to connect together up to 64 devices in a multi-dropped arrangement.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title 3.6 Instruction Manual Document Type Page 8 of 29 Service connector The service connector is a UART digital interface (Universal Asynchronous Receiver Transmitter) with a miniUSB type connector.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document Type Page Document title 4.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 10 of 29 PROCESS PROTECTION / PROTECTION OF OTHER DEVICES AirChip 3000 Functions Description ► Limit humidity output to 100 %RH Used to prevent the humidity signal from exceeding 100 %RH when condensation forms on the sensor.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title Functions Humidity / temperature adjustment Applicability K 11 of 29 Factory default HF42, HF43, HF45 Device write protection HF42, HF43, HF45 Disabled Menu access from keypad HF42, HF43, HF45 Enabled Limit humidity output to 100 %RH HF42, HF43, HF45 Enabled Out-of-limit value digital / display alarm HF42
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 5 Mechanical installation 5.1 General guidelines 12 of 29 Relative humidity is extremely dependent on temperature. Proper measurement of relative humidity requires that the probe and its sensors be at exactly the temperature of the environment to be measured.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 13 of 29 Mounting hardware Part AC5005 is a flange with compression fitting that is designed to hold the probe of the HF4 type D when mounted through a wall (see Accessories). The HF4 does not require any additional support. The AC5005 allows easy installation and removal of the HF4. 5.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Electrical installation 6.1 General wiring guidelines Document Type Page Document title 6 Instruction Manual 14 of 29 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-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 15 of 29 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-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 16 of 29 Measuring humidity or temperature only Unless configured to measure either humidity only or temperature only, proper operation of the HF42 requires both current loops to be closed. The HF42 can be directly ordered from the factory to measure either humidity or temperature only.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 17 of 29 Terminal block diagram Type D and W (horizontal mount) Type D (vertical mount) Terminals Description K1-1: GND Power supply (-) or neutral (tied with other GND) K1-2: V+ Power supply: 15…40 VDC (+) or 12…28 VAC (Phase) K1-3: -► Protective ground (see note below) K2-4: GND Ground (tied with other GND
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 18 of 29 Measuring humidity or temperature only Operation of the HF43 does not require both current loops to be closed. When using the HF43 to measure either humidity only or temperature only, close only the loop that is being used. Using the ROTRONIC HW4 software, any unused output of the HF43 can be disabled. 6.4.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 19 of 29 7 Operation 7.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document Type Page Document title 7.3 Instruction Manual 20 of 29 HF45 (digital output) Configuration and full access to all HF45 functions requires a PC with the ROTRONIC HW4 software installed. Starting with firmware version 1.3, the HF45 offers several communication protocol options that allow users to read the measurement data without the HW4 software.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 7.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 8 Maintenance 8.1 Service cable 22 of 29 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-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title Instruction Manual Document Type Page 23 of 29 a) Procedure for adjusting the HF4 from the optional keypad The optional keypad of the HF4 allows a 1-point adjustment of temperature or humidity against a reference. A 1-point adjustment has the effect of adding the same offset to all measured values.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document title 9 Instruction Manual Document Type Page 24 of 29 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-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 10 Technical data 10.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title 26 of 29 Start-up time and data refresh rate HF42 HF43 HF45 Start-up time 3.4s (typical) 1.9s (typical) 1.9s (typical) Data refresh rate 3.4s (typical) 1.7s (typical) 1.
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Instruction Manual Document Type Page Document title Conformity with standards HF42 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 HF42 Storag
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document Type Page Document title 11 Instruction Manual 28 of 29 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
E-M-HF4-V1_22 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroFlex HF4 Humidity Temperature Transmitters: User Guide Document Type Page Document title 13 Instruction Manual 29 of 29 Document releases Doc. Release Date Notes _20 Apr. 11, 2009 Original release _21 Jun. 18, 2010 Updated document for HW4 software v.3 _22 Oct. 28, 2011 Updated this document regarding the model of service cable to be used with 2-wire and 3-wire models.
