FLEX I/O Digital Input and Output Modules w/ Diagnostics 17
Publication 1794-IN096C-EN-P - August 2015
Specifications
Specifications – 16 Input Module w/ Diagnostics, 1794-IB16D
Meets IEC 3 24V DC input specifications
Attribute Value
Number of inputs 16, current, sinking
Recommended terminal base unit 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15
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, max 1.5 mA
Off-state voltage, max 5.0V DC
Off-state current, max 1.5 mA
Nominal input impedance 3.1 kΩ
Isolation voltage 50V (continuous), Basic Insulation Type
Type tested @ 2121V DC for 2 s, between field side and system
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.
Refer to Input Filter Time table
FlexBus current 30 mA @ 5V DC
Power dissipation, max 8.5 W @ 31.2V DC
Thermal dissipation, max 29 BTU/hr @ 31.2V DC
Sensor power, voltage drop, max 2.2V DC
Sensor power, current, max 50 mA
Sensor power line, short detect circuit,
min
1.0 A (in 10 s)
Sensor power line, open wire detect,
max
50 μA
Detect reverse polarity voltage Minimum 10V: Module must detect if the reverse polarity
external power supply voltage is greater than the value.
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