Allen-Bradley 1794-IB16D Installation Instructions Manual page 17

FLEX I/O Digital Input and Output Modules with Diagnostics
Specifications – 16 Input Module w/ Diagnostics, 1794-IB16D
Meets IEC 3 24V DC input specifications
Attribute
Flexbus current
Power dissipation, max
Thermal dissipation, max
Sensor power, voltage drop, max
Sensor power, current, max
Sensor power line, short detect circuit,
min
Sensor power line, open wire detect,
max
Detect reverse polarity voltage
(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.
Specifications – 16 Output Module w/ Diagnostics, 1794-OB16D
Attribute
Number of outputs
Recommended terminal base unit
Output voltage, min
Output voltage, nom
Output voltage, max
Output current rating
On-state current, min
On-state current, max
Surge current
Off-state leakage, max
Isolation voltage
(1)
Output signal delay
Off to On
On to Off
Value
30 mA @ 5V DC
8.5 W @ 31.2V DC
29 BTU/hr @ 31.2V DC
2.2V DC
50 mA
1.0 A (in 10 s)
50 μA
Minimum 10V: Module must detect if the reverse polarity
external power supply voltage is greater than the value.
Value
16, current, sourcing
1794-TB2, 1794-TB3, 1794-TB3S
10V DC
24V DC
31.2V DC
8.0 A (16 outputs @ 0.5 A)
1.0 mA per channel
500 mA per channel
2 A for 50 ms each, repeatable every 2 seconds
0.5 mA
50V (continuous), Basic Insulation Type
Type tested at 850V DC for 60 s, between field side and system
No isolation between individual channels
0.5 ms
0.5 ms
Publication 1794-IN096D-EN-P - June 2018
17