User Manual

E-M-HF63_65-V1_11
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
Instruction Manual
Document Type
HygroFlex HF63/HF65 Humidity Temperature
Transmitters: User Guide
Document title
Page
13 of 34
© 2008; Rotronic AG E-M-HF63_65-V1_11
DEVICE SAFEGUARDS
AirChip 3000 Functions Description
► Device write protection Used to protect the HF6 with a password to prevent
unauthorized digital access by a digital user. Can be configured,
enabled or disabled
► Internal menu access from keypad Used to prevent accidental changes to the HF6 settings and
temperature-humidity adjustment by disabling the MENU key on
the optional keypad. Can be enabled or disabled
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. Can be
enabled or disabled
► Out-of-limit value alarm 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
► Bad sensor alarm Built-in function. Cannot be disabled
A bad humidity or temperature sensor triggers a digital alarm
which can be also be seen on the optional display
► Fail safe mode Used to specify a "safe" fixed value for humidity and for
temperature in the event of a sensor failure. Can be configured,
enabled or disabled
4.2 Factory default settings
Notes:
o Configuration of the HF6 by the user and access to its functions requires a PC with the ROTRONIC HW4
software (version 2.1.1 or higher) installed. Service cable AC3006 or AC3009 is used to connect the HF6
service connector to a USB port of the PC. The HF65 can also be connected to the PC using either its
USB, Ethernet or RS-485 interface
o Settings and functions that can also be either partially or fully accessed from the optional keypad are
marked with the letter K (see also Operation > Internal Menu).
Configurable Settings Applicability Factory default
Unit system (Metric or English)
K
HF63, HF65 As per ordering code
Analog signal type (4…20 mA or other) HF63 As per ordering code
Psychrometric calculation HF63, HF65 As per ordering code
Output 1 parameter, scale and unit HF63 As per ordering code (%RH or DP)
Output 2 parameter, scale and unit HF63 Temperature, unit as per ordering code
Display resolution (optional) HF63, HF65 1 decimal
Display backlight (optional)
K
HF63, HF65 Always on
Displayed parameters
K
HF63, HF65 As per ordering code