Rockwell Automation 1771-OBD Series C INSTL INSTR DC(10-60V) OUTPUT - Manual (Page 12)

12 dc (10…60V) Output Module
Publication 1771-IN054C-EN-P - November 2006
Replace the Fuse
An overload or short will cause the single onboard fuse to blow when the module output
exceeds 10 A. The onboard fuse does not protect the individual output transistors.
To replace the onboard fuse, do the following.
1. Turn off all power to the I/O chassis and all output device power to the field wiring
arm.
2. Remove the module from the chassis and replace the blown fuse with a 10 A, 250V
rectifier fuse (1/4 x 1-1/4 inch), Littelfuse part number 322010.
The fuse is accessible through the side of the module.
3. Replace the module in the chassis and attach the field wiring arm.
4. Turn system power on.
ATTENTION
Remove power from the 1771 I/O chassis backplane and field wiring arm before
removing or installing an I/O module.
• Failure to remove power from the backplane or wiring arm could cause module
damage, degradation of performance, or injury.
• Failure to remove power from the backplane could cause injury or equipment damage
due to possible unexpected operation.
WARNING
Failure to use the specified replacement fuse may cause module damage, degradation of
performance, or injury.