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VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
GFK-1504K
2
Hot Insertion and Removal of I/O Modules
If external power to an I/O module’s field devices is removed, the module itself can be
removed/inserted in an operating system (backplane power and CPU or NIU active)
without affecting the rest of the system. Communications modules are not hot-insertable
or removable.
For hot insertion, the I/O module must be properly seated on the carrier with all pins
connected within 2 seconds. For removal, the module must be completely disengaged from
the carrier within 2 seconds. If hot insertion or removal takes longer than 2 seconds, a
System Misconfiguration fault may be generated, which may shut down the I/O Station.
CAUTION
Operating equipment may be very hot, especially at higher ambient temperatures. If
the equipment is hot, do not touch it directly.
Such “hot insertion” and removal should not be attempted in hazardous locations. Personal
injury, system malfunction and/or damage to the equipment may occur.
VersaMax equipment is suitable for use in non-hazardous locations or in Class 1, Div. 2,
Groups A, B, C, and D, and Class 1 Zone 2 locations.
Explosion hazard: Substitution of components may impair suitability for Class 1, Division
2 and Class 1 Zone 2.
NOTE
The VersaMax power supply is not hot-swappable. Hot inserting or extracting the power
supply is an improper method to power-down or power-up. Hot inserting the power supply
can cause a “Corrupted User Memory Fault” condition. Power-cycling should only be
accomplished by switching the main power going into the power-supply.
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