Rockwell Automation 1746-BTM Barrel Temperature Control Module User Manual - Manual (Page 25)

Publication 1746-UM010B-EN-P - April 2001
Installing and Wiring 2-9
7. At the source-end of cables from mV devices (See Figure 2.3
and Figure 2.4):
•
remove the drain wire and foil shield
•
apply shrink wrap as an option
•
connect to mV devices keeping the leads short
Figure 2.4 Cable Preparation to Minimize Electrical Noise Interference
Wires
3/8”
Make
unshielded
wires as
short as
possible.
Limit braid length to 12” or
less. Solder braid to lug on
bottom row of I/O chassis
bolts.
Connect I/O
chassis bolt to
earth ground
Solder drain wires to
braid at casing.
Make unshielded wires
as short as possible.
3/8”
Signal
Wires
Terminal
Block
Chnl 0
Chnl 1
Chnl 2
Chnl 3
n/c
Cables
IMPORTANT
If noise persists, try grounding the opposite end of
the cable. Ground one end only.