ROTRONIC HM4 - Manual (Page 22)

E-M-HM4-V0_08
ROTRONIC AG
Bassersdorf, Switzerland
Document Code Unit
HM4 Humidity and Temperature Probe with
Heated Sensor
Instruction Manual
Document Type
Page 22 of 41
Document Title
© 2014; ROTRONIC AG E-M-HM4-V0_08
In general, signal cables should be installed in bundles or channels / conduits, separate from other cables as
indicated in the table below:
Bus signals such as RS-485
Data signals for PCs, printers, etc.
Shielded analog inputs
Unshielded DC voltage ( ≤ 60 V)
Shielded process signals ( ≤ 25 V)
Unshielded AC voltage ( ≤ 25 V)
Coaxial cables for CRT monitors
in common bundles or channels / conduits
DC voltage from 60 V to 400 V (unshielded)
AC voltage from 25 V to 400 V (unshielded)
in separated bundles or channels / conduits,
without minimum distance
DC and AC voltage > 400 V (unshielded)
Telephone lines
Lines leading into EX-rated areas
in separated bundles or channels / conduits
DRAFT