ROTRONIC HF8 - Manual (Page 16)

E-M-HF8-V2_10
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
HygroFlex HF8 Humidity Temperature
Transmitter: User Guide Instruction Manual
Document Type
Page 16 of 35
Document title
© 2012; Rotronic AG E-M-HF8-V2_10
HF8 analog 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.
Operation of the HF8 does not require all current loops to be closed. Using the ROTRONIC HW4 software,
any unused output of the HF8 can be disabled.
HF8 relay contacts