Rockwell Automation MDO16FNS 16-Channel Digital Output Module 120Vac/dc - Manual (Page 12)

12 MDO16FNS October 2005 – Issue 4
Triguard SC300E
SERVICING
SCOPE
Repair is by module replacement. Faulty modules are not repairable in the field. They should
be replaced by new modules and returned for repair.
WARNING
Lethal voltages are present in this equipment.
The protective covers are to prevent access to circuits. There are no user-serviceable
components under the covers
For your safety:
Do not remove the covers.
Do not touch any exposed circuits or insert objects such as test probes through the covers
while the module is connected to the chassis backplane.
CAUTION 1
Before fitting a new module ensure that the setting of all three links is the same as that on the
old module.
CAUTION 2
This module contains components that may be electrostatically sensitive. It should be
transported and stored in its original packaging material.
DIAGNOSIS
The TriBuild workstation is used for fault diagnosis. In the case of an Input/Output fault the
Health LED on the faulty module will be extinguished.
PREPARATION
To ascertain whether the chassis I/O slot containing the faulty module has been allocated a
hot repair partner, use one of the following methods:
• Check the system drawings
• Check the chassis wiring configuration
• Use the I/O chassis Configuration Report on the TriBuild workstation.