Allen-Bradley 1794-IA8 - Page 17

Rockwell Automation Publication 1794-IN102D-EN-P - July 2018 17
FLEX I/O AC Digital Input Modules
On-state current, max 14.32 mA
Off-state voltage, max 43V AC
Off-state current, min 2.9 mA
Nominal input impedance 10.6 kΩ
Nominal input current 12 mA @ 120V AC
Isolation voltage
120V (continuous), Basic
Insulation Type
Type tested @ 1250V AC for 60 s,
between field side and system
No isolation between individual
channels
120V (continuous), Basic
Insulation Type
Type tested @ 1240V AC for 60 s,
between field side and system
Isolation between individual
channels.
Input filter time See Input Filter Time
table
Flexbus current 30 mA @ 5V DC
Power dissipation, max 4.5 W @ 132V AC
Thermal dissipation, max 15.3 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
Specifications – 1794-IA16
Attribute Value
Number of inputs 16, nonisolated
Module location
1794-TB3, 1794-TB3S, 1794-TBN
(2)
, 1794-TB3K, 1794-TB3SK,
1794-TBNK
On-state voltage, min 74V AC
On-state voltage, nom 120V AC
On-state voltage, max 132V AC
On-state current, min
(1)
5.49 mA
On-state current, max 14.81 mA
Off-state voltage, max 20V AC
Off-state current, min 2.9 mA
Specifications – 1794-IA8, 1794-IA8I
Attribute 1794-IA8 1794-IA8I