18 Rockwell Automation Publication 1794-IN102D-EN-P - July 2018
FLEX I/O AC Digital Input Modules
Nominal input impedance 10 k<Symbol>W
Nominal input current 12 mA @ 120V AC
Isolation voltage
120V (continuous), Basic Insulation Type
Type tested @ 1264V AC for 60 s, between field side and system
No isolation between individual channels
Input filter time See Input Filter Time
table
Flexbus current 20 mA
Power dissipation, max 6.4 W @ 132V AC
Thermal dissipation, max 21.8 BTU/hr @ 132V AC
(1) AC inputs compatible with proximity switches with leakage ratings of I
leak
< 2.5 mA and I
on
minimum = 5 mA
(2) Auxiliary terminal strips are required when using the 1794-TBN.
General Specifications
Attribute 1794-IA8, 1794-IA8I 1794-IA16
Terminal base screw torque Determined by installed terminal base
Dimensions, approx. (H x W x D) 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
Indicators (field side indication) 8 yellow status indicators 16 yellow status indicators
External AC power supply voltage, nom 120V AC
External AC power voltage range 65...132V AC 74...132V AC
North American temperature code T4A T4
Keyswitch position 8
Enclosure type rating None (open-style)
Wire size Determined by installed terminal base
Wiring category
(1)
2 – on signal ports
(1) Use this Conductor Category information for planning conductor routing as described in the appropriate System Level
Installation Manual. Also refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1
, for
more information.
Specifications – 1794-IA16
Attribute Value
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