ROTRONIC HF5 - Manual (Page 30)

E-M-HF5-V2_12
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide Instruction Manual
Document Type
Page 30 of 36
Document title
© 2009-2013; Rotronic AG E-M-HF5-V2_12
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
7.5 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
IMPORTANT:
o Use service cable AC3009 with all 2-wire, loop powered transmitters. This cable powers up the
transmitter via the service connector. Do not use any other method for powering the transmitter when
using this cable AC3009 as this will create a ground loop and damage the transmitter. For the same
reasons do not use cable AC3006 with a 2-wire, loop powered transmitter.
o Use service cable AC3006 with all 3-wire transmitters as well as with digital models. This cable does
not provide power to the transmitter and the transmitter should powered separately when using this
cable
Both cables AC3006 and AC3009 convert UART (service connector) to USB and are used to connect the
transmitter to a USB port of a PC running the ROTRONIC HW4 software. Prior to using any of these
cables, the ROTRONIC USB driver must be installed on the PC. Both the driver and the installation
instructions (document E-M-HW4v3-Main) are located on the HW4 CD.
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.
HF32
Vertical mount: the service connector is
located either on the left side or on the
right side of the enclosure.
Horizontal mount: the service
connector is located at the bottom of
the enclosure (black arrow)