FLEX I/O Digital Input Modules 17
Publication 1794-IN093E-EN-P - August 2018
Specifications
Specifications – 1794-IB8
Attribute Value
Number of inputs 8, current, sinking
Recommended terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD,
1794-TB37DS
On-state voltage, min 10V DC
On-state voltage, nom 24V DC
On-state voltage, max 31.2V DC
On-state current, min 2.0 mA
On-state current, nom 8.0 mA
On-state current, max 12.0 mA
Off-state voltage, max 5.0V DC
Off-state current, max 1.5 mA
Nominal input impedance 4.6 kΩ
Isolation voltage 50V (continuous), Basic Insulation Type
Type tested @ 850V DC for 60 s, between field side and system
No isolation between individual channels
FlexBus current 20 mA @ 5V DC
Power dissipation, max 3.5 W @ 31.2V DC
Thermal dissipation, max 11.9 BTU/hr @ 31.2V DC
Specifications – 1794-IB16
Attribute Value
Number of inputs 16, current, sinking
Recommended terminal base unit 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD,
1794-TB37DS
On-state voltage, min 10V DC
On-state voltage, nom 24V DC
On-state voltage, max 31.2V DC
On-state current, min 2.0 mA
On-state current, nom 8.0 mA