Fault mode jumper, Keying – Rockwell Automation T3446H ICS Regent Relay Output Modules User Manual
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(T3446L, H) Relay Output Modules
P D - 6 0 1 7 M a r - 0 6
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Fault Mode Jumper
The fault mode jumper is located behind the ID switch cover
in the lower left-hand corner of each I/O chassis. The position
of the fault mode jumper determines the module's response to
system level faults. The fault mode jumper’s position will
cause all output modules in the I/O chassis to either shutdown
(turn off all outputs) or to hold (hold the last state) after a
system level failure occurs. An example of a system level
failure is the failure of two processor modules.
Keying
The I/O chassis can be physically keyed to prevent accidental
damage caused by inserting a module into a slot wired for a
different module type. Figure 8 illustrates how the slot keys
are installed on the I/O chassis slot field wiring connectors.
The slot key positions for the relay output module are listed in
Table 2. Both versions of the relay output module use the
same slot key positions.
Table 2. Slot Key Positions.
Module
Upper
Connector
Lower
Connector
T3446H
T3446L
17
2