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Rockwell Automation Publication 1794-IN104C-EN-P - July 2018
FLEX I/O 220V AC Digital Input and Output Modules
Specifications
Specifications – 220V AC Input Module 1794-IM8
Attribute
Value
Number of inputs
8, nonisolated
Recommended terminal base unit
1794-TBN, 1794-TBNK
Module mounting
See
Derating Curve for 1794-IM8
On-state voltage, min
159V AC
On-state voltage, nom
240V AC
On-state voltage, max
264V AC
On-state current, min
5.27 mA
On-state current, max
13.21 mA
Off-state voltage, max
40V AC
Off-state current, max
2.6 mA
Nominal input impedance
22.3 kΩ
Nominal input current
12 mA @ 240V AC
Isolation voltage
250V (continuous), Basic Insulation Type, field side to backplane
Type tested @ 1530V AC for 60 s
No isolation between individual channels
Input filter time
(1)
Off to On
On to Off
(1)
Input off-to-on filter time is the time from a valid input signal to recognition by the module. Input on-to-off filter time is
time from the input signal dropping below the valid level to recognition by the module.
See
Input Filter Time for the 1794-IM8 Module
table
Flexbus current
30 mA @ 5V DC
Power dissipation, max
4.7 W @ 264V AC
Thermal dissipation, max
16.2 BTU/hr @ 264V AC
