FLEX I/O 48V DC Digital Input and Output Modules
15
Publication 1794-IN105C-EN-P - July 2018
Isolation voltage
50V (continuous), Basic Insulation Type
Tested at 1900V DC for 1 s, between user and system
No isolation between individual channels
Input filter time
(1)
Off to On
On to Off
Refer to Input Filter Time for 1794-IC16
FlexBus current
25 mA @ 5V DC
Power dissipation, max
6.4 W @ 60V DC
Thermal dissipation, max
21.9 BTU/hr @ 60V DC
(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 – 48V DC Output Module 1794-OC16
Attribute
Value
Number of outputs
16, nonisolated, sourcing
Recommended terminal base unit
1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK
Output voltage, min
30V DC
Output voltage, nom
48V DC
Output voltage, max
60V DC @ 45 °C
55V DC @ 55 °C
Output current rating
8.0 A (16 outputs @ 0.5 A)
On-state current, min
2.0 mA per channel
On-state current, max
500 mA per channel
Surge current
4 A for 10 ms each, repeatable every 2 s
Off-state voltage, max
60V DC
Off-state leakage, max
1.0 mA
On-state voltage drop, max
1.0V DC @ 0.5 A
Isolation voltage
Type tested at 1900V DC for 1 s, between user and system
No isolation between individual channels
Output signal delay, max
(1)
Off to On
On to Off
0.5 ms
1.0 ms @ 25 °C
2.0 ms @ 55 °C
Specifications – 48V DC Input Module 1794-IC16
Attribute
Value