Shielding Rtd/Ma Instrument Cables - ABB Relion 620 Series Installation Manuals

Section 5
Connecting
5.4.4
44
RTD0003
GUID-D278D8D6-1F13-4AC7-95B8-14DA822F8491 V2 EN
Figure 38: Example of RTD0003 card variant, (6 RTD + 2 mA)

Shielding RTD/mA instrument cables

The RTD/mA inputs are connected by screened cables (1 mm
example, Unitronic 300S (formerly Unitronic 300CY), manufactured by LAPP
Group.
Other manufacturers' cables with similar technical features can also
be used. When selecting a suitable sensor cable, observe also other
possible customer installation requirements.
1. Prepare screened cable with a drain wire.
1.1. Select a drain wire (0.75 mm
2
/AWG18), for
2
) as short as possible.
1MRS757641 E
620 series
Installation Manual