Rockwell Automation 1794-IF8IH FLEX I/O 8 Isolated Input HART Analog Module Installation Instructions - Manual (Page 25)

FLEX I/O Isolated Input HART Analog Module 25
Publication 1794-IN115C-EN-P - April 2009
Wiring category
(3) 2 on signal ports
3 on power ports
Wire type Shielded on signal ports
Flexbus current 80 mA
Thermal dissipation, max 6.8 BTU/hr @31.2V DC
Keyswitch position 3
External DC power supply
voltage 24V DC nom
External DC power supply
voltage range 19.2…31.2V DC (includes 5% AC ripple)
External DC power supply
current 190 mA @ 24V DC
Dimensions (HxWxD),
approx. 94.0 x 94.0 x 66.0 mm (3.7 x 3.7 x 2.6 in.) with module
installed in base
North American
temperature code T4
IEC Temp Code T4
(1)
Includes offset, gain, nonlinearity. and repeatability error terms.
(2)
If 24V DC is removed from the module, input resistance = 10 k
Ω.
(3)
Use this Conductor Category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication 1770-4.1.
The phase conductor is 0.34…2.5 mm². The ground conductor must be equal to or greater than the
phase conductor.
(4)
Engineering Units apply to HART data only.
FLEX I/O 8-input Isolated HART Module - 1794-IF8IH
Attribute Value