Spectrum Controls 1794sc-IRT8I User Manual
Page 48
A-4
Flex™ IO Isolated RTD/Thermocouple Module
User's Manual Pub. 0300242‐01 Rev. A
Radiated RF immunity
IEC 61000-6-2:
10 V/m with 1 kHz sine-wave 80% AM from
30…2000 MHz
10 V/m with 200 Hz 50% Pulse 100% AM at
900 MHz
10 V/m with 200 Hz 50% Pulse 100% AM at
1890 MHz
EFT/B immunity
IEC 61000-6-2:
±2 kV at 5 kHz on signal ports
Surge transient immunity
IEC 61000-6-2:
±2 kV line-earth (CM) on shielded ports
Conducted RF immunity
IEC 61000-6-4:
10V rms with 1 kHz sine-wave 80% AM from
150 kHz…80 MHz
Enclosure type rating
None (open-style)
Signal conductors
Thermocouple
Millivolt
Category
7
Use appropriate shielded thermocouple wire
8
Belden 8761 2 - on signal ports
Power conductors
Wire size Category
7
0.34…2.5 mm2 (22…12 AWG) solid or
stranded copper wire rated
at 75 °C (167 °F) or greater
1.2 mm (3/64 in.) insulation max
3 - on power ports
Terminal screw torque for cage-clamp
terminal base
0.8 Nm (7 lb-in.)
7
Use this category information for planning conductor routing as described in the Industrial Automation
Wiring and Grounding Guidelines, Allen-Bradley publication 1770-4.1.
8
Refer to the thermocouple manufacturer for proper thermocouple extension wire.