E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title 1 of 19 HygroMet MP Humidity Temperature Meteorological Probe User Guide © 2009; Rotronic AG E-M-HM-V1_10
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title Instruction Manual Document Type Page 2 of 19 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 4.3 4.4 5 5.1 6 6.1 6.2 6.3 6.4 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-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title Instruction Manual Document Type Page 3 of 19 Applicability: This manual applies to the HygroMet MP probe 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-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title 2 Instruction Manual Document Type Page 4 of 19 Mechanical configurations and dimensions HygroMet MP with HC2-S3 probe HygroMet MP with HC2-S3 probe and additional Pt100 RTD probe © 2009; Rotronic AG E-M-HM-V1_10
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title 3 General description 3.1 Power supply Instruction Manual Document Type Page 5 of 19 15 to 24 VDC With both output circuits closed, the maximum current consumption is 50 mA. Depending on the type of analog output signal, the minimum supply voltage can be reduced as follows: 0…1 V outputs: 5 VDC minimum 0…5 V outputs: 10 VDC minimum 3.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title 3.4 Instruction Manual Document Type Page 6 of 19 Output signals HygroMet MP: 3-wire version 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.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document Type Page Document title 4.1 Instruction Manual 7 of 19 Requirements for configuring the HygroMet MP Configuration of the HygroMet MP by the user and access to its functions requires the following: o PC with the ROTRONIC HW4 software (version 2.3.0 or higher) installed.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title 8 of 19 configured, enabled or disabled DEVICE SAFEGUARDS Functions Description ► Device write protection Used to protect the HygroMet with a password to prevent unauthorized digital access by a digital user.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title Out-of-limit value digital / display alarm Disabled (HygroMet and probe) Data recording (probe) Enabled (loop mode – 10 min.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Unit system Document Type Page Document title Function / Setting Instruction Manual HM HC2 X X 10 of 19 Notes The HygroMet setting overrides HC2 probe setting regarding the HygroMet 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 HygroMet and probe.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title - 11 of 19 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.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title 6.4 Instruction Manual Document Type Page 12 of 19 Electrical diagram 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-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title 13 of 19 Wiring color code Wire color Description Gray Power ground Green Power supply (+) 5…24 VDC (depends on output signal type) White – no label Output 1 (+) – default: relative humidity or calculated parameter White – labeled 2 Output 1 (-) – A-GND 1 Brown Output 2 (+) – default: temperature Pink
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide o Document Type Page Document title o Instruction Manual 14 of 19 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 HygroMet MP but not to its probe) RS-485 Compatibility: The communications protocol used by the HygroMet MP is the RO-ASCII
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Document title • • • • • Instruction Manual Document Type Page 15 of 19 Use cable AC3006 to connect the service connector of the HygroMet MP 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-HW4v2-Main.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Technical data 10.
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Configurable analog outputs HM 3-wire Output 1 Can be made to correspond to any parameter Factory default scale Output 2 Document Type Page Document title Factory default parameter Instruction Manual 17 of 19 Relative humidity or dew / frost point As per ordering code Can be made to correspond to any parameter Factory default parameter Temperature Factory
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title Environmental limits 18 of 19 HM 3-wire Storage and transit -50…+70 °C / -20...
E-M-HM-V1_10 Rotronic AG Bassersdorf, Switzerland Document code Unit HygroMet MP Humidity Temperature Meteorological Probe: User Guide Instruction Manual Document Type Page Document title Document File Name Contents E-T-HumiDefs Humidity Definitions 19 of 19 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 Notes _10 Dec.
