2-12 VersaMax Modules, Power Supplies and CarriersUser Manual
GFK-1504N
2
Installing a Power Supply
I/O and option modules receive power for their operation from the CPU, NIU, or
Expansion Receiver Module through the mating connector on the carrier. The
number of modules that can be supported depends on the power requirements
of the modules (listed in the individual module specifications).
Power Supply Booster Carriers can be used as needed to meet the power
needs of all modules. The AC or DC Power Supply on the CPU or NIU and the
Power Supply that resides on the Booster Carrier must share the same external
power source.
In some cases, the field devices served by an I/O module require additional AC
or DC power, which must be provided using an “external” power supply.
Specifications and connection details for such external power supplies are given
in the module specifications in this manual.
Installing a Power Supply Module
The power supply module installs directly on top of a CPU, NIU, ERM, or
booster carrier. The latch on the power supply must be in the unlocked position.
Align the connectors, tab, and latch post on the power supply to be parallel with
the CPU, NIU, ERM, or carrier. Press the power supply module down firmly,
until the two tabs on the bottom of the power supply click into place. Be sure the
tabs are fully inserted in the holes in bottom edge of the CPU, NIU, ERM, or
booster carrier.
Turn the latch to the locked position to secure the power supply in place.
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.