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- HygroFlex HF5 HF52
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- 30 Pages
Rotronic HygroFlex HF5 HF52, HF53, HF55 humidity temperature transmitter Instruction Manual
Below you will find brief information for humidity temperature transmitter HygroFlex HF5 HF52, humidity temperature transmitter HygroFlex HF5 HF53. The HygroFlex HF5 transmitter series is designed for fixed installations in applications where high measurement accuracy is required. The most basic HF5 models provide analog output signals corresponding to any two of the following: relative humidity, temperature or calculated value such as dew point, enthalpy, mixing ratio, etc. Other models provide either a digital interface and two analog output signals or a just a digital interface.
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Document title
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
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Page 1 of 30
HygroFlex HF5
Humidity Temperature Transmitters
User Guide
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
Document code
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
Document Type
Page 2 of 30
Document title
Table of contents
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
Document code
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
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Applicability:
This manual applies to all instruments of the HygroFlex HF5 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.
1 Overview
The HygroFlex HF5 transmitter series is designed for fixed installation in applications where high measurement accuracy is required and can be used with any of the HygroClip 2 plug-in probes. The most basic HF5 models provide analog output signals corresponding to any two of the following: relative humidity, temperature or calculated value such as dew point, enthalpy, mixing ratio, etc. Other models provide either a digital interface and two analog output signals or a just a digital interface. The digital interface allows the simultaneous reading of relative humidity, temperature and calculated value. Depending on the probe model, the HF5 can measure conditions within the range of 0 to 100 %RH and -100 to 200 C (-148 to 392 F).
The wide assortment of HygroClip 2 humidity-temperature probes can meet almost any application requirement. The HygroClip 2 probes feature well proven, durable sensors. Digital signal processing within the probe ensures consistent product performance and also facilitates the task of field maintenance with features such as potentiometer free – digital calibration, hot-swapping of the probe, etc.
Based on the ROTRONIC AirChip 3000 digital technology the HF5 series and HygroClip 2 probes offer the following user functions:
User configurable settings
Calculation of psychrometric parameters such as the dew or frost point
Humidity temperature calibration and adjustment
1)
Simulator mode
Automatic humidity sensor test and drift compensation
1)
Sensor failure mode
1)
Data recording
1)
1) Except model HF52 (2-wire transmitter)
The ability for the user to easily update both the HF5 and HygroClip 2 probe firmware means that instruments of the HF5 series can be kept up-to-date regarding any future functionality improvement.
HF5 transmitters with analog output signals and optional digital output: two types of electronic circuit are available: HF52: 2-wire, loop powered circuit
(4…20 mA current signal) and HF53: 3-wire circuit with voltage or current signals. Both circuit types provide linear analog signals for transmission over a length of cable to a remote display, recorder, controller or data processing unit and can be used to measure humidity only, temperature only or both parameters. The HF53 (3-wire circuit type) can be ordered with two analog outputs and either a RS-485 port or USB + RS-485.
HF5 transmitters with digital output only: the HF55 is available with the following digital interface options:
RS-485, USB + RS-485 or Ethernet (TCP/IP) + RS-485.
© 2009-2010; Rotronic AG E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
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2 Mechanical configurations and dimensions
Probe connector
NOTE:
Vertical mounting applies only to:
HF52 type D without keypad and display
HF53 type D without keypad and display, and without digital option
All other models are mounted horizontally
Probe connector
Models with USB or Ethernet interface
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
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2.1 Display and keypad option
The LC display option for the HF53 and HF55 has a backlight. The LC display option for the HF52 does not have a backlight.
The upper line corresponds to relative humidity or dew / frost point and the bottom line corresponds to temperature.
The display can be configured to show a trend indicator on each line:
▲: increasing value
▼: decreasing value
In the event of an alarm the display shows the symbol [ ! ] to the right of the value.
For instructions see the following HW4 manual: E-M-HW4v3-F2-005.
3 General description
3.1 Power supply options
Depending on the circuit type, the HF5 requires the following power supply: a) HF52 (2wire, loop powered): 10…28 VDC - depending on the load connected to the output(s). The minimum supply voltage can be determined as follows:
V min = 10 V + (0.02 x Load*) *Load resistance in ohms.
For the maximum load of 500 , the minimum supply voltage is 10 + (0.02 x 500) = 20 VDC. With both output circuits closed, the maximum current consumption is 40 mA. b) HF53 (3-wire with analog outputs):
- Option 1, standard power supply: 15 to 40 VDC or 12 to 28 VAC
- Option 2: galvanically isolated power supply: 9 to 36 VDC or 7 to 24 VAC
With both output circuits closed, the typical current consumption is 100 mA.
Please verify the product identification label to determine which power supply option is installed on your transmitter. c) HF55 (3-wire) with digital outputs:
- Option 1, standard power supply: 5 to 40 VDC or 12 to 28 VAC
- Option 2: galvanically isolated power supply: 9 to 36 VDC or 7 to 24 VAC
- Option 3: PoE (power over Ethernet). This option is not available with units equipped with a RS-485
interface. Any unit equipped with the PoE option can be powered only via a LAN.
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
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Tyical current consumption:
Model with USB interface : 100 mA
Model with Ethernet (TCP/IP) interface: 300 mA
3.2 Measured parameters
The HygroClip 2 probe used with the HF5 transmitter measures relative humidity with a ROTRONIC
Hygromer
®
IN1 capacitive sensor and temperature with a Pt100 RTD.
3.3 Calculated parameters
Using the ROTRONIC HW4 software, the HF5 can be configured by the user to calculate one of the following parameters: o Dew point (Dp) above and below freezing o Frost point (Fp) below freezing and dew point above freezing o Wet bulb temperature (Tw) o Enthalpy (H) o Vapor concentration (Dv) o Specific humidity (Q) o Mixing ratio by weight (R) o Vapor concentration at saturation (Dvs) o Vapor partial pressure (E) o Vapor saturation pressure (Ew)
Note: some of the above parameters depend on the value of the barometric pressure. Using the ROTRONIC
HW4 software, a fixed barometric pressure value can be specified. For instructions see the following HW4 manual: E-M-HW4v3-F2-005
3.4 Analog output signals (HF52 and HF53)
HF52 and HF53
With the ROTRONIC HW4 software any of the two analog output signals can be made to correspond to one of the following:
Relative humidity
Temperature
Calculated parameter
Any output can also be disabled.
The scale of each analog output can be set within the numerical limits of -999.99 and 9999.99. The D/A converters used to generate the analog output signals feature a 16-bit resolution.
HF53
The type of output signal can be changed by means of jumpers to one of the following: 0…20 mA, 4…20 mA,
0…1V, 0…5V or 0…10V (see 5.2). Both output signals are automatically configured with the same signal type.
No adjustment is required after changing the type of output signal.
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HygroFlex HF5 Humidity Temperature
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3.5 Digital interface (HF53 with digital option and HF55)
a) RS-485 serial interface
All HF5 models with a digital interface have a RS-485 serial port. When the number of available network ports is limited, this port can be used to connect together up to 64 devices in a multi-dropped arrangement. In principle, an unlimited number of such networks can be monitored with the HW4 software, but each RS-485 multi-drop network is limited to 64 devices. The HF5 can be used either as a slave or a master, without special configuration. The master is automatically the device that is directly connected to a network (PC or LAN) by means of a USB port or TCP/IP port.
RS-485 Compatibility: The communication protocol used by the HF5 and other AirChip 3000 products is not compatible with the protocol used by the previous generation of ROTRONIC instruments. Do not connect legacy products and AirChip 3000 products to the same RS-485 multi-drop network.
b) USB or Ethernet interface
The HF5 is also available with the following interface combinations: USB + RS-485 or Ethernet +RS-485. In this case the protection grade of the HF5 enclosure is no longer IP65 / NEMA 4 rated.
3.6 Service connector
The service connector is a UART digital interface (Universal Asynchronous Receiver Transmitter) with a mini-
USB type connector. This allows connecting the HF5 with a service cable to a PC running the ROTRONIC
HW4 software.
See “Maintenance” for the location of the service connector and for the type of service cable to be used. The service connector is used to configure the HF5 and to and update its firmware with the HW4 software.
Note: the digital interface (USB, Ethernet and RS-485) offers the same functionality as the service connector.
3.7 Probe
The HF5 is compatible with all available models of HygroClip 2 probes. For detailed information on the probes see document E-M-HC2 Probes-V1.
4 User configurable settings and functions
The HF5 ships configured as specified on the customer order. Models with analog outputs can be installed and used just as any conventional humidity and temperature transmitter and most users will never need to use the HF5 configurable settings and functions. Models with a digital interface generally require some configuration by the user.
Making use of the HF5 and probe configurable settings and functions is entirely up to the user and the appropriate settings depend on the user application. We have provided below a short description of the HF5 and probe functions and also indicated the factory default settings.
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HygroFlex HF5 Humidity Temperature
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4.1 Function overview
MEASUREMENT ACCURACY AND RELIABILITY (PROBE FUNCTIONS)
AirChip 3000 Functions
► Humidity / temperature adjustment
► Automatic humidity sensor test
and optional drift compensation
► Data recording
Description o 1-point or multi-point humidity calibration or adjustment o 1-point or 2-point temperature calibration or adjustment o Generate a time stamp for calibrations and adjustments o Retain and view last adjustment date and adjustment values o Generate calibration and adjustment protocols
Tests the humidity sensor for drift caused by contaminants and can be used to automatically apply a correction. The test is automatically carried out at regular intervals of time. Can be configured, enabled, or disabled
The humidity sensor status can be verified either with the HW4 software or with the instrument display (if available) and is shown as Good, SQ-tuned (corrected for drift) or Bad (defective)
Not available when the probe is connected to a HF52
The data recording function differs from a true data logging function in the sense that the AirChip 3000 does not time stamp the data. The data recording function can be use to investigate events such as a sensor malfunction as well as to retrieve data that would otherwise be lost o Start or stop data recording - up to 2000 value pairs (%RH and temperature). Starting a recording session erases all previously recorded data o The recording mode and log interval can be specified o When the device is powered off, the recording session is paused but not ended As long as the recording session has not been ended, the device automatically resumes recording data when powered up again o The recorded data can be downloaded to a PC with the
HW4 software, time stamped and viewed
Not available when the probe is connected to a HF52
MEASUREMENT LOOP VALIDATION
Functions
► Simulator mode
Description
Used to make the HF5 generate fixed values for the humidity, temperature and calculated parameter. Can be configured, enabled or disabled
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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DEVICE SAFEGUARDS
Functions
► Device write protection
► Internal menu access from keypad
Description
Used to protect the HF5 with a password to prevent unauthorized digital access by a digital user. Can be configured, enabled or disabled
Used to prevent accidental changes to the HF5 settings and temperature-humidity adjustment by disabling the MENU key on the optional keypad. Can be enabled or disabled
PROCESS PROTECTION AND PROTECTION OF OTHER DEVICES
AirChip 3000 Functions
► Limit humidity output to 100 %RH
► Out-of-limit value alarm
► Bad sensor alarm
► Fail safe mode
Description
This probe function is used to prevent the humidity signal from exceeding 100 %RH when condensation forms on the sensor.
Can be enabled or disabled
Used to specify the normal range for humidity, temperature and the calculated parameter depending on the user application.
Can be configured, enabled or disabled
Out-of-limit values trigger a digital alarm which can be also be seen on the optional display
This is a built-in probe function. Cannot be disabled
A bad humidity or temperature sensor triggers a digital alarm which can be also be seen on the optional HF5 display provided that the HF5 is set to monitor probe alarms
Used to specify a "safe" fixed value for humidity and for temperature (HF5 or probe) in the event of: o Loss of communication with the probe (HF5 function) o Sensor failure (probe function)
Can be configured, enabled or disabled
4.2 Interaction between the HF5 and probe functions
It is important to note that when used together, the HF5 transmitter and HC2 probe (HygroClip 2) constitute a
2-component system. Each system component has its own microprocessor, firmware and functions. Some of these functions are unique to each system component. Other functions are found in both components.
HF52 (2-wire, loop powered transmitter): due to the necessity of limiting the current consumption of the combination of HF52 and HC2 probe to less than 4 mA, several probe functions such as RH sensor test, data recording and probe adjustment are not available with the HF52.
The functions and settings of the HF5 transmitter and HygroClip 2 probe (HC2) operate together as indicated below:
Function / Setting HF5 HC2 Notes
Device protection
RS-485 address
X
X
X Individual to the HF5 and HC2 probe
X Individual to the HF5 and HC2 probe
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Function / Setting
Device Name
Calculation
Data refresh rate
Simulator function
Unit system
Out-of-limits value alarm
Analog outputs
HF5 HC2 Notes
X
X
X
X
X
X
X
X
X
X
X
X
X
User defined description
The device name of the HC2 probe is not displayed by HW4 and is replaced with the HF5 Input Name
Psychrometric calculation
HF5 setting overrides HC2 probe setting
This setting has no effect on the HF5 and probe. Depending on the model, the data refresh rate is as follows:
HF52: typically 5 s
HF53 and HF55: typically 1 s
Generates fixed humidity and / or temperature value
When enabled, the HF5 settings override the HC2 probe settings
The HF5 setting overrides HC2 probe setting regarding the HF5 signals. The HC2 probe settings still apply when the probe is used alone
Make sure to use the same humidity symbol and the same temperature unit for both the HF5 and probe.
The HF5 settings are independent from the HC2 probe settings.
The HC2 probe settings have an effect only when the HF5 is enabled to monitor alarms generated by the probe
When out-of-limit values have been defined for the same parameter for both the HF5 and probe, any alarm is triggered based on the narrowest set of limits (assuming that the HF5 has been set to monitor probe alarms).
Parameter and scale
The HC2 probe settings have no effect on the HF5
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HygroFlex HF5 Humidity Temperature
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4.3 HF53 output signal type
The type of analog output signals generated by the HF53 can be configured as follows by means of the jumpers located on the upper PCB:
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HygroFlex HF5 Humidity Temperature
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5 Mechanical installation
5.1 General guidelines
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. Because of this, the location where you choose to install the probe can have a significant effect on the performance of the instrument. The following guidelines should guarantee good instrument performance: a) Select a representative location: install the probe where humidity, temperature and pressure conditions are representative of the environment to be measured. b) Provide good air movement at the probe: air velocity of at least 200 ft/ minute (1 meter/second) facilitates adaptation of the probe to changing temperature. c) Avoid the following: (1) Close proximity of the probe to a heating element, a cooling coil, a cold or hot wall, direct exposure to sun rays, etc. (2) Close proximity of the probe to a steam injector, humidifier, direct exposure to precipitation, etc. (3) Unstable pressure conditions resulting from excessive air turbulence. d) Immerse as much of the probe as possible in the environment to be measured. e) 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.
5.2 HF5 enclosure
The HF5 enclosure consists of a base and a cover held together with 4 screws. To open the enclosure, use a metric 2.5 mm hex key. Prior to re-assembling the enclosure, verify that the red seal is sitting properly in its groove on the base.
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HygroFlex HF5 Humidity Temperature
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5.3 Installation of the HF5 type D (through wall mount)
Mounting position of the enclosure
Vertical:
HF52 type D without keypad and display
HF53 type D without keypad and display, and without digital option
Mounting hardware
Horizontal:
HF52 type D with keypad and display
HF53 type D with keypad and display or with digital option
HF55 type D
The QMA-15 consists of a flange and compression fitting and is designed to hold the probe of the HF5 type D when mounted through a wall (see
Accessories). The HF5 does not require any additional support.
5.4 Installation of the HF5 type W (surface mount)
Mounting position of the enclosure
Horizontal:
HF52, HF53 and HF55 type W
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HygroFlex HF5 Humidity Temperature
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Mounting hardware
Method 1: The HF5 is supplied with 2 screws, 2 drywall anchors and two rubber washers. The base of the enclosure has 2 screw-wells (see drawing) that are normally closed at the bottom. Use the template provided with the HF5 to drill mounting holes in the wall and insert the drywall anchors. Place a rubber washer on each screw. Insert a screw in each well and push to open the bottom of the well.
Method 2: When a DIN-rail (35 mm / 1 3/8 “) is available use part AC5002 (not included). This is a DIN-rail mounting kit consisting of 2 clamps that attach to the back of the enclosure with the screws provided.
6 Electrical installation
6.1 General wiring guidelines
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.
General guidelines for signal cables
The following guidelines are derived from European Standard EN 50170 for the transmission of signals by copper wires. When planning an installation, the rules provided by EN 50170 should be followed under consideration of local circumstances to determine the position of machines and equipment.
All ROTRONIC products are tested for Electromagnetic Compatibility according to EMC Directive
2004/106/EG and following European standards:
- EN 61000-6-1: 2001, EN 61000-6-2: 2005
- EN 61000-6-3: 2005, EN 61000-6-4: 2001 + A11
Whenever the level of electromagnetic interference is expected to be high, both the instruments and signal cables should be placed as far away as possible from the source of interference.
In general, signal cables should be installed in bundles or channels / conduits, separate from other cables as indicated in the table below:
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Bus signals such as RS485
Data signals for PCs, printers etc. shielded analog inputs unshielded direct current (<= 60V) shielded process signals (<= 25 V) unshielded alternate current (<= 25V) coaxial cables for CRT monitors
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Page 15 of 30 in common bundles or channels / conduits direct current from 60 V to 400 V
(unshielded) alternate current from 25V to 400 V
(unshielded) in separated bundles or channels / conduits, without minimum distance direct and alternate current > 400 V
(unshielded)
Telephone lines lines leading into EX-rated areas in separated bundles or channels / conduits, without minimum distance
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.
6.2 Guidelines for RS-485 wiring (HF53 with digital option and HF55)
See document E-DV04-RS485.01: RS485 Network Installation and Start-up Guidelines
6.3 Cable grip and cable specifications
The HF5 is supplied either with one M16 sealing cable grip or with a ½” conduit adapter. The M16 cable grip provides effective sealing only with cables having the proper outside diameter. Preferably, use a cable with an outside diameter of 6 to 7 mm (0.236 to 0.275 inch) with 18 AWG wires.
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6.4 Wiring
6.4.1
HF52: 2-wire, loop powered transmitter
Electrical diagram
The maximum permissible cable length connecting the HF52 to other devices is determined by the total resistance resulting from the addition of the cable resistance and that of the devices connected in series with the unit. This resistance should not exceed 500 ohms.
Terminal block diagram
Terminals
K2-2: T-OUT
K2-1: V+
Description
Temperature output (+)
OUT-2
Power supply: 10…28 VDC (+)
Terminals Description
K1-2: H-OUT
Relative humidity or dew point (+)
OUT-1
K1-1: V+ Power supply: 10…28 VDC (+)
Note: connect the + of the power supply to only one of the V+ terminals. The two terminals marked V+ are internally connected.
Measuring humidity or temperature only
Unless configured to measure either humidity only or temperature only, proper operation of the HF52 requires both current loops to be closed. The HF52 can be directly ordered from the factory to measure either humidity or temperature only. When necessary, any unused output of the HF52 can be disabled with the ROTRONIC
HW4 software. When the HF52 is configured with one of the two outputs disabled, close only the loop that is being used.
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HygroFlex HF5 Humidity Temperature
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6.4.2
HF53: 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. The voltage drop in the cable depends both on cable resistance and on the equivalent resistance of the devices connected in parallel to the unit. The total resistance connected to each unit output should be at least 1000 ohms.
Cable resistance should not be more than 1/1000 of
the load resistance.
Electrical diagram for current outputs
The maximum permissible cable length, connecting the unit to other devices, is determined by the total resistance resulting from the addition of the cable resistance and that of the devices connected in series with the unit. This resistance should not exceed 500 ohms.
Terminal block diagram (analog outputs only)
Type D and W (horizontal mount)
Terminals
K1-1: GND
K1-2: V+
Description
Power supply (-) or neutral
(tied with other GND)
Power supply: 15…40 VDC (+) or 12…28 VAC (Phase)
K1-3: ► Protective ground (see note below)
Terminals
K2-4: GND
K2-3: GND
K2-2: OUT2
Description
Ground (tied with other GND)
Ground (tied with other GND)
Temperature output (+)
K2-1: OUT1 Relative humidity or dew point (+)
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HygroFlex HF5 Humidity Temperature
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Type D (vertical mount)
Terminals
K2-4: GND
K2-3: GND
K2-2: OUT2
Temperature output (+)
K2-1: OUT1 Relative humidity or dew point (+)
Terminals
Description
Ground (tied with other GND)
Ground (tied with other GND)
Description
K6-1: GND
Power supply (-) or neutral
(tied with other GND)
K6-1: V+
K6-3: -
►
Power supply: 15…40 VDC (+) or 12…28 VAC (Phase)
Protective ground (see note below)
Note: Terminals K1-3 or K6-3 (protective or earth ground) are not tied with GND. If so desired, K1-3 or K6-3 can be tied with GND by closing a solder pad on the PCB
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Terminal block diagram (analog outputs and digital option)
Type D and W (horizontal mount)
Terminals
K1-1: GND
K1-2: V+
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Description
Power supply (-) or neutral
(tied with other GND)
Power supply: 15…40 VDC (+) or 12…28 VAC (Phase)
K1-3: -
►
Protective ground (see note below)
Terminals
K2-4: GND
K2-3: GND
K2-2: OUT2
Description
Ground (tied with other GND)
Ground (tied with other GND)
Temperature output (+)
K2-1: OUT1 Relative humidity or dew point (+)
Terminals Description
Notes:
K3-4: D-
K3-3: D+
K3-2: GND
K3-1: PWR
RS-485 Bi-directional
TX- / RX -
RS-485 Bi-directional
TX+ / RX +
Ground / Power supply (-)
DC (+) 15…24 VDC (+)
(optional, see note below)
Terminal K1-3: this terminal (protective or earth ground) is not tied with GND. If so desired, K1-3 can be tied with GND by closing a solder pad on the PCB
Terminal block K3 (RS-485): with the exception of models with the galvanically isolated power supply option, terminals K3-1 and K3-2 can be used to power the HF53 from a 15 to 24 VDC power supply connected to the
RS-485 main data line. In this case, do not use terminals K1-1 and pin K1-2 (normally used to power the
HF53).
USB port: depending on the ordering code the HF53 may or may not be equipped with this port
Measuring humidity or temperature only
Operation of the HF53 does not require both current loops to be closed. When using the HF53 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 HF53 can be disabled.
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
Document code
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Document title
6.4.3
HF55: digital output
Connectors and terminal block diagram
Rotronic AG
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Unit
Instruction Manual
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Terminals Description
K1-1: GND
K1-2: V+
Power supply (-) or neutral
(tied with other GND)
Power supply: 5…40 VDC (+) or 12…28 VAC (Phase)
K1-3: -
►
Protective ground (see note below)
Terminals Description
K3-4: D-
RS-485 Bi-directional
TX- / RX -
K3-3: D+
K3-2: GND
RS-485 Bi-directional
TX+ / RX +
Ground / Power supply (-)
K3-1: PWR
DC (+) 15…24 VDC (+)
(optional, see note below)
Notes:
Terminal K1-3: this terminal (protective or earth ground) is not tied with GND. If so desired, K1-3 can be tied with GND by closing a solder pad on the PCB
Terminal block K3 (RS-485): with the exception of models with the galvanically isolated power supply option, terminals K3-1 and K3-2 can be used to power the HF55 from a 15 to 24 VDC power supply connected to the
RS-485 main data line. In this case, do not use terminals K1-1 and pin K1-2 (normally used to power the
HF55).
WARNING: Connecting a device to an active Ethernet network can disrupt communications on the network.
Before connecting the HF5, make sure that it is properly configured for your network.
6.4.4
Grounding (all models)
We generally recommend grounding the (-) side of the power supply, especially if the electronics will be subjected to a low humidity environment (35 %RH or less).
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
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Unit
Instruction Manual
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Document title
7 Operation
7.1 HF52 and HF53 transmitters (analog outputs)
Use the HW4 software to configure the HF5 as desired, complete the mechanical and electrical installation, connect the probe and simply power up the HF5.
7.2 HF53 with digital option and HF55
Both the HF53 with digital option and the HF55 use the standard RO-ASCII protocol and do not offer any other option. Users who wish to read the measurement data without the HW4 software should consult ROTRONIC.
The different types of digital interface available with the HF5 are best used with a PC with the HW4 software installed (version 2.1.0 or higher). In principle, users should be able to use communication software other than
HW4 to read measurement data from the HF5. In this case, communication is limited to the RDD (data request) and REN (RS-485 address change) commands described separately in document E-M-AC3000-CP.
IMPORTANT: Depending on the type of digital interface, either the PC or the HF5 must be configured by the user as indicated below.
a) USB connection
Prior to connecting the HF5 to a USB port you must install the ROTRONIC USB driver on the PC (available from the HW4 CD or from www.rotronic-humidity.com). For instructions see the HW4 manual E-M-HW4v3-
Main (§ 7.3)
b) Ethernet (TCP/IP) connection (wired or wireless)
Prior to connecting the HF55 to an active Ethernet network you must configure the TCP/IP settings of the
HF55 using either the HW4 software (version 2.1.0 or higher) or the TCP/IP configuration tool available from www.rotronic-humidity.com. For instructions see the HW4 manual E-M-HW4v3-Main (§ 7.4) and technical note IN-E-TCPIP-Conf
WARNING: Connecting a device to an active Ethernet network can disrupt communications on the network.
Before connecting the HF5, make sure that it is properly configured for your network
c) RS-485 serial interface (multi-drop)
Instructions for using the HF5 with a RS-485 network are provided in the following manuals:
E-M-HW4v3-Main (§ 7.5), E-M-HW4v3-F2-005 and E-DV04-RS485.01.
Notes: o Instruments connected to the same RS-485 network must use the same baud rate and each instrument must be given a unique RS-485 address (the address requirement applies to the HF5 but not to its probe) o RS-485 Compatibility: The communications protocol used by the HF5 is the RO-ASCII protocol. This protocol is not compatible with the protocol used by the previous generation of ROTRONIC products. Do not connect legacy products and the HF5 to the same RS-485 multi-drop network.
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Bassersdorf, Switzerland
Unit
Instruction Manual
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Document title
The specifications of the RS-485 interface are as follows:
Baud rate : 19200
Parity
Data bits
Stop bits
: none
: 8
: 1
7.3 Internal menu (optional keypad and display)
Note:
Unauthorized access to the menu can be prevented by disabling the “display menu” setting
(use the HW4 software > Device Manager > Display)
MENU key: open / close menu
ENTER key: menu item selection
HF52 transmitter:
Menu navigation keys + / -
Change value up / down
Main Menu Menu Items Selections / Information Notes
Device Settings
Device Information
Probe Information
Units
Contrast
Trend
Version
Serial Nbr
Address
Type
Name
Version
Serial Nbr
Address
Name
Metric / English
On / Off
Firmware version
Serial number
RS-485 address
Device type
Device name
Firmware version
Serial number
RS-485 address
Device name
LC display contrast adjustment
Trend indication on the display
User defined
User defined
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
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Document title
HF53 and HF55 transmitters:
Main Menu Menu Items Selections / Information
Device Settings
Device Information
Probe Information
Units
Back Light
Metric / English
Key Press / On / Off
Contrast
Trend On / Off
Firmware version Version
Serial Nbr
Address
Type
Name
Version
Serial Nbr
Serial number
RS-485 address
Device type
Device name
Firmware version
Serial number
Address
Name
RS-485 address
Device name
SensorTest Humidity sensor status
Notes
Display backlight mode
LC display contrast adjustment
Trend indication on the display
User defined
User defined
Off / Good / SQ-Tuned / Bad
Record On / Off
Data recording by the probe
(max. 2000 values)
Humidity Adjust
RefValue
Acquired
<Acquire>
<Delete>
Humidity reference value ± 0.1 %RH steps
Number of cal. points in probe memory
Save cal. point to probe memory
Erases all calibration points
<Adjust>
Effect depends on number of calibration points
Temperature Adjust
RefValue Temperature reference value ± 0.1 ˚C steps
<Adjust> 1-point adjustment only (offset) o Record: both the recording mode (start / stop and the log interval cannot be changed from the menu and are as configured with the ROTRONIC HW4 software o SensorTest: Off means that the humidity sensor has not been tested due to the configuration settings of the test. For a description of the automatic humidity sensor test and drift compensation (SQ-tuning) see documents E-T-AC3000-DF-V1 and E-M-HW4v3-F2-005
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
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Document title
7.4 Displayed parameters (optional keypad and display)
When the menu is not active, press the ENTER key to change which parameters are shown on the display: o Relative humidity and temperature o Relative humidity , temperature and calculated parameter (when the calculated parameter is enabled)
8 Maintenance
8.1 Service cable
Cable AC3006 is used to connect the HF5 to a USB port of a PC running the ROTRONIC HW4 software. Prior to connecting the HF5 to a USB port you must install the ROTRONIC USB driver on the PC (available from the HW4 CD or from www.rotronic-humidity.com). For instructions see the HW4 manual E-M-HW4v3-Main.
8.2 Location of the service connector (mini USB type)
WARNING: the service connector is a UART interface with a mini-USB connector type. Do not connect the service connector directly to the USB port of a PC or hub.
The service connector can be accessed without opening the enclosure after removing the small red sealing cover.
Vertical mount: the service connector is located either on the left side or on the right side of the enclosure.
HF32
Horizontal mount: the service connector is located at the bottom of the enclosure (black arrow)
8.3 Periodic calibration check of the probe
Both the Pt 100 RTD temperature sensor used in the probe 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.
For maximum accuracy, calibration of the probe should be verified every 6 to 12 months. Applications where the probe is exposed to significant pollution may require more frequent verifications.
Note: the HygroClip 2 probe cannot be adjusted when connected to the HF52 transmitter
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Bassersdorf, Switzerland
Unit
Instruction Manual
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Document title a) Procedure for adjusting the probe using the optional keypad (HF53 / HF55)
Temperature adjustment
The keypad of the HF53 or HF55 allows only a 1-point adjustment of temperature. The effect of a 1-point temperature adjustment is to add the same offset to all measured values.
When temperature is stable, press the MENU key to show the internal menu on the display
Use the (-) key to select Temperature Adjust and press the ENTER key
Make sure that the text line beginning with RefValue is highlighted and press the ENTER key
Use the (+) or (-) key to change the reference value to match the temperature reference
Use the (-) key to highlight the Adjust text line and press the ENTER key
The HF5 confirms the adjustment with the message “Adjust OK”
Press the MENU key twice to exit the menu and return the HF5 to normal operation
Notes: o Any temperature adjustment should be done prior to adjusting humidity. o The calibration point is automatically deleted from the probe memory after an adjustment o Because the HF5 has no real time clock, the date of the adjustment is not written to the probe. If retaining the adjustment date is important, use the HW4 software to adjust the probe.
Humidity adjustment
The keypad of the HF53 or HF55 allows a multi-point adjustment of humidity. The effect of a humidity adjustment depends on the number of calibration points present in the probe memory prior to the adjustment:
- one calibration point: offset added to all measured values
- two calibration points: offset and slope
- three or more calibration points: offset, slope, linearity
For maximum accuracy use at least 3 to 4 calibration points distributed equally across the measurement range of interest. The calibration points (maximum 100) can be acquired in any order but we recommend going from low humidity values to high humidity values.
When humidity is stable, press the MENU key to show the internal menu on the display
Use the (-) key to select Humidity Adjust and press the ENTER key
Make sure that the text line beginning with RefValue is highlighted and press the ENTER key
Use the (+) or (-) key to change the reference value to match the reference humidity
Use the (-) key to highlight the Acquire text line and press the ENTER key
Note that the “Acquired” counter is incremented by 1 (number of calibration points in the probe memory)
When all calibration points have been acquired, use the (-) key to highlight the Adjust text line and press the ENTER key. Do not adjust the probe before having acquired all calibration points.
The HF5 confirms the adjustment with the message “Adjust OK”
Press the MENU key twice to exit the menu and return the HF5 to normal operation
Notes: o All calibration points are automatically deleted from the probe memory after an adjustment o Instructions for using the ROTRONIC calibration devices and humidity standards are provided in document E-M-CalBasics o Because the HF5 has no real time clock, the date of the adjustment is not written to the probe. If retaining the adjustment date is important, use the HW4 software to adjust the probe.
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Unit
Instruction Manual
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Document title b) Using the HW4 software to adjust the probe connected to a HF53 or HF55:
Use cable AC3006 to connect the service connector of the HF5 to a USB port of a PC with the HW4 software installed. Note that the ROTRONIC USB driver must be installed on the PC as explained in the HW4 manual E-M-HW4v3-Main. In the case of the HF55, a connection with the PC can be established via the USB (ROTRONIC USB driver) or Ethernet interface.
Start HW4 on the PC and search for the HF5 (HW4 Main Menu Bar > Devices and Groups > Search for USB Masters).
After finding the HF5 with HW4, expand the device tree to see the HF5 functions. Select Probe and
Probe Adjustment.
For further instructions see HW4 manual E-M-HW4v3-A2-001
8.4 Cleaning or replacing the probe dust filter
See document E-M-HC2 Probes-V1
8.5 Validation of the output signals transmission
If so desired, transmission of the HF5 output signals can be validated by using the simulator function. The
HW4 software is required to enable and configure this function. When this function is enabled the HF5 generates fixed digital and analog signals as specified by the user. For instructions see document
E-M-HW4v3-F2-005
9 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. Procedure for updating the firmware:
Use cable AC3006 to connect the service connector of the HF5 to a USB port of a PC with the
ROTRONIC HW4 software installed. Note that the ROTRONIC USB driver must be installed on the
PC as explained in the HW4 manual E-M-HW4v3-Main. In the case of the HF55, a connection with the PC can be established via the USB (ROTRONIC USB driver) or Ethernet interface.
Copy the firmware update file from the ROTRONIC website to the PC.
Start HW4 software on the PC and search for the HF5 (HW4 Main Menu Bar > Devices and Groups
> Search for USB Masters).
After finding the HF5, expand the device tree to see the HF5 functions. Select Device Manager. In the Device Manager menu bar select Tools > Firmware Update. For instructions see document
E-M-HW4v3-F2-005
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Unit
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Document title
10 Technical data
10.1 Specifications
General
Device type
HF52 HF53
Humidity temperature transmitter with analog output signals
HF55
Humidity temperature transmitter with digital output
Circuit type
Mechanical configuration types
Power supply and connections
Supply voltage (VDD)
Typical current consumption
Electrical connections
2-wire, loop powered
D and W
HF52
10…28VDC
V min = 10 V + (0.02 x
Load*) *Load resistance in ohms.
2 x 20 mA
3-wire
HF53
Option 1 (standard):
15…40 VDC or
12…28 VAC
Option 2: ( galvanically isolated):
9 to 36 VDC or
7 to 24 VAC
100 mA
Terminal block and M16 cable grip or ½” conduit adapter
Polarity protection Protective diode on V+
Humidity and temperature
measurement
See document E-M-HC2 Probes > Specifications
Calculated parameters HF52
Psychrometric calculations
HF53 HF55
Dew point (Dp) above and below freezing
Frost point (Fp) below freezing and dew point above freezing
Wet bulb temperature (Tw)
Enthalpy (H)
Vapor concentration (Dv)
Specific humidity (Q)
Mixing ratio by weight (R)
Vapor concentration at saturation (Dvs)
Vapor partial pressure (E)
Vapor saturation pressure (Ew)
HF55
Option 1 (standard):
5…40 VDC or
12…28 VAC
Option 2: ( galvanically isolated):
9 to 36 VDC or
7 to 24 VAC
Option 3: PoE (not available on models with RS-485 interface)
Model with USB interface: 100 mA
Model with Ethernet interface: 300 mA
Connector (USB or
Ethernet), terminal block
(power supply and RS-
485) and M16 cable grip or ½” conduit adapter
© 2009-2010; Rotronic AG E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
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Start-up time and data refresh rate
Start-up time
Data refresh rate
Configurable analog outputs
Output 1
Parameter
Scale
Output 2
Parameter
Scale
Output 1 and Output 2
Signal type
User configurable scaling limits
Short circuit tolerant
Maximum external load
Minimum external load
Digital interface
Interface type
Rotronic AG
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HF52
14 s (typical)
5 s (typical)
HF53
3.s (typical)
1 s (typical)
HF55
3 s (typical)
1 s (typical)
HF52 HF53
Can be made to correspond to any parameter
User configurable with the ROTRONIC HW4 software
User configurable with the ROTRONIC HW4 software
Can be made to correspond to any parameter
User configurable with the ROTRONIC HW4 software
User configurable with the ROTRONIC HW4 software
4…20 mA
0…20 mA
4… 20 mA
0… 1 V
0… 5 V
0… 10 V
(user configurable)
999.99 … +9999.99 engineering units
Yes
500 Ω
0 Ω
500 Ω (current output)
1000 Ω (voltage output)
0 Ω (current output)
HF52
N/A
HF53 (optional)
RS-485 or
USB and RS-485
HF55
RS-485
USB and RS-485 or
Ethernet (TCP/IP) wired or wireless and RS-485
Service connector
Interface type
Maximum service cable length
General specifications
Optional display
Probe material
Probe dust filter material
Housing material
Housing protection grade
Physical dimensions
Weight
HF52 HF53 HF55
UART (Universal Asynchronous Receiver Transmitter)
5 m (16.4 ft)
HF52
LC, 1 or 2 decimals resolution, no backlight, trend and alarm indication
See Models
250 g (8.8 oz)
HF53 alarm indication
Polycarbonate
Polyethylene
ABS
IP 65 (except HF53 or HF55 with USB or Ethernet)
HF55
LC, 1 or 2 decimals resolution, backlight, trend and
250 g (8.8 oz)
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
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HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
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Unit
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Document title
Conformity with standards
CE / EMC immunity
Solder type
Fire protection class
FDA / GAMP directives
Environmental limits
Storage and transit
Operating limits at electronics
Temperature limits at probe
HF52 HF53 HF55
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
Lead free (RoHS directive)
Corresponds to UL94-HB compatible
Maximum humidity at sensor
Maximum air velocity at probe
Critical environments
HF52 HF53 HF55
50…+70 °C / -20...+70 °C (models with display), 0…100 %RH, non condensing
40 … +60 °C / -10….60 °C (models with display), 0…100 %RH, non condensing
Depends on probe model
100 %RH up to 80 °C (176 °F)
75 %RH at 100 °C (212 °F)
45 %RH at 125 °C (260 °F)
15 %RH at 150 °C (302 °F)
20 m/s (3,935 ft /min)
Humidity sensor: as per DV04-14.0803.02 - Critical chemicals
10.2 Dew point accuracy
See document E-M-HC2 Probes > Dew point accuracy
11 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 Probes-V1 HygroClip 2 (HC2) Humidity Temperature Probes, User Guide
E-M-HC2-accessories
E-T-AC3000-DF-V1
E-M-HW4v3-DIR
E-M-HW4v3-Main
E-M-HW4v3-F2-005
E-M-HW4v3-F2-001
Accessories and parts for probes, indicators and transmitters
AirChip 3000 Description and Main Functions
List of the HW4 manuals
HW4 software version 3: General instructions and functions common to all devices
HW4 software version 3: Device Manager - HF5 transmitter
HW4 software version 3: Device Manager – HC2 probe series
E-M-HW4v3-A2-001 HW4 software version 3: Probe Adjustment function AirChip 3000 devices
© 2009-2010; Rotronic AG E-M-HF5-V1_24
E-M-HF5-V1_24
Document code
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide
Document title
Document File Name
E-M-HW4v3-DR-001
Rotronic AG
Bassersdorf, Switzerland
Unit
Instruction Manual
Document Type
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Contents
HW4 software version 3: Data Recording Function AirChip 3000 Devices
E-M-AC3000-CP AirChip 3000 Communication Protocol Options
E-DV04-RS485.01
E-M-TCPIP-Conf
E-M-CalBasics
RS485 Network Installation and Start-up Guidelines
Configuration procedures for ROTRONIC devices with Ethernet (TCP/IP) interface
Temperature and humidity calibration basics
Instructions for using the ROTRONIC humidity standards
E-T-HumiDefs Humidity Definitions
Note: All document file names have an extension corresponding to the document release number. This extension is not shown in the above table.
13 Document releases
Doc. Release Date
_20 Jun.16, 2009
_21
_22
_23
_24
Nov. 9, 2009
Jan. 29, 2010
Feb. 23, 2010
Jun. 18, 2010
Notes
Original release
Expanded the range of power supply options for the HF53 and
HF55
Removed factory defaults specification
Changed the typical current consumption data
HF53 and HF55 with RS-485 interface: models with the galvanically isolated power supply option cannot be powered from the RS-485 main data line
Updated document for HW4 software v.3
© 2009-2010; Rotronic AG E-M-HF5-V1_24
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Key Features
- High measurement accuracy
- Analog output signals
- Digital interface
- User configurable settings
- Calculation of psychrometric parameters
- Humidity temperature calibration and adjustment
- Simulator mode
- Automatic humidity sensor test and drift compensation
- Sensor failure mode
- Data recording
Frequently Answers and Questions
What are the power supply options for the HF52?
What are the measured parameters of the HygroFlex HF5?
How is data recorded on the HF5?
Related manuals
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Table of contents
- 3 Overview
- 4 Mechanical configurations and dimensions
- 5 Display and keypad option
- 5 General description
- 5 Power supply options
- 6 Measured parameters
- 6 Calculated parameters
- 6 Analog output signals (HF52 and HF53)
- 7 Digital interface (HF53 with digital option and HF55)
- 7 Service connector
- 7 Probe
- 7 User configurable settings and functions
- 8 Function overview
- 9 Interaction between the HF5 and probe functions
- 11 HF53 output signal type
- 12 Mechanical installation
- 12 General guidelines
- 12 HF5 enclosure
- 13 Installation of the HF5 type D (through wall mount)
- 13 Installation of the HF5 type W (surface mount)
- 14 Electrical installation
- 14 General wiring guidelines
- 15 Guidelines for RS-485 wiring (HF53 with digital option and HF55)
- 15 Cable grip and cable specifications
- 16 Wiring
- 21 Operation
- 21 HF52 and HF53 transmitters (analog outputs)
- 21 HF53 with digital option and HF
- 22 Internal menu (optional keypad and display)
- 24 Displayed parameters (optional keypad and display)
- 24 Maintenance
- 24 Service cable
- 24 Location of the service connector (mini USB type)
- 24 Periodic calibration check of the probe
- 26 Cleaning or replacing the probe dust filter
- 26 Validation of the output signals transmission
- 26 Firmware updates
- 27 Technical data
- 27 Specifications
- 29 Dew point accuracy
- 29 Accessories
- 29 Supporting documents
- 30 Document releases