Spectrum Controls 1746sc-NI8u - Manual (Page 128)

116 SLC 500 ™ Universal Analog Input Module
• For multiple exposed thermocouples, do not allow the measuring
junction of the thermocouple to make direct contact with electrically
conductive process material.
• Use a single exposed junction thermocouple with multiple ungrounded
junction thermocouples.
• Use all ungrounded junction thermocouple instead of the exposed
junction type.
+
-
CH3
+
-
CH0
MUXES
1746sc-NI8u
Exposed junction with shielded cable
Conductive Material