E-m-pf4-v1_00 – ROTRONIC PF4 User Manual
Page 23
E-M-PF4-V1_00
Rotronic AG
Bassersdorf, Switzerland
Document Code
Unit
PF4 Differential Pressure Transmitter:
Instruction Manual
Instruction Manual
Document Type
Page 23 of 54
Document Title
© 2014; Rotronic AG
E-M-PF4-V1_00
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,
without minimum distance