ROTRONIC HF5 - Manual (Page 25)

E-M-HF5-V2_12
Rotronic AG
Bassersdorf, Switzerland
Document code Unit
HygroFlex HF5 Humidity Temperature
Transmitters: User Guide Instruction Manual
Document Type
Page 25 of 36
Document title
© 2009-2013; Rotronic AG E-M-HF5-V2_12
Terminal block diagram (analog outputs and digital option)
RS-485
RS485 + USB
RS-485 + Ethernet
Note: If so desired, K2-3 and K2-4 can be tied with the protective ground by closing solder pad B2 on the PCB
USB or TCP/IP port: this port is optional
Measuring humidity or temperature only
Operation of the HF56 does not require both current loops to be closed. When using the HF56 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 HF56 can be disabled.
Terminals Description
K6-1: - ► Protective ground
K6-2
Power supply phase: 85 to 240
VAC
K1-3
Power supply neutral 85 to 240
VAC
Terminals Description
K2-4: GND Ground (tied with other GND)
K2-3: GND Ground (tied with other GND)
K2-2: OUT2 Temperature output (+)
K2-1: OUT1 Relative humidity or dew point (+)
Terminals Description
K3-4: D- RS-485 Bi-directional TX- / RX -
K3-3: D+ RS-485 Bi-directional TX+ / RX +
K3-2: GND Ground (tied with other GND)
K3-1 Not Used
USB
o
r
TCP/I
P