E-m-hf5-v2_12 – ROTRONIC HF5 User Manual

Page 24

E-M-HF5-V2_12

Rotronic AG
Bassersdorf, Switzerland

Document code

Unit

HygroFlex HF5 Humidity Temperature
Transmitters: User Guide

Instruction Manual

Document Type

Page

24 of 36

Document title

Electrical diagram for 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.

Terminal block diagram (analog outputs only)

F1: fuse (soldered to PCB)

Note: If so desired, K2-3 and K2-4 can be tied with the protective ground by closing solder pad B2 on the PCB

Terminals

Description

K6-1: -

►

Protective ground

K6-2

Power supply phase: 85 to 240 VAC

K6-3

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 (+)

AC L

AC N

OUT2

OUT1

GND