1797-OB4D non-isolated source output module

Description

1797-OB4D non-isolated source output module

The 1797-OB4D is a non-isolated source output module that belongs to the 1797 series of

analog modules. This module has been designed and manufactured by Allen-Bradley. The

Allen-Bradley non-isolated source output module has 4 output channels that all make reference

to a single supply with a yellow LED that indicates the output current state, which means that if

the output is on, the LED will be activated. These 4 channels are updated every 2 milliseconds

from the backplane. The Allen-Bradley 1797-OB4D non-isolated source output module has a

power consumption of 7.5 Watts at 9 Volts and a power dissipation of 5 Watts. Its

thermal dissipation is 17.07 BTU per hour and it operates at a voltage of 25 Volts DC.

1797-OB4D

The Allen-Bradley 1797-OB4D non-isolated source output module features a fault indication function, and

in this case, the status indicator will blink red for any fault that has been detected. This output module

has the ability to detect short circuits and output wire off per channel by using a module data bit. The Allen-Bradley

non-isolated source output module is electronically protected against short circuits and it can report faults

directly to the controller. The recommended conditions for its use are an operating temperature range from

0 to 50 degrees Celsius and a relative humidity range of 5 to 95% without condensing. An altitude of 1000

meters is also recommended. The approximate dimensions of the 1797-OB4D module are as it follows:

it has a width of 46 millimeters, a height of 94 millimeters, and a depth of 75 millimeters.

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