Chapter 3. Installation
30 PACSystems* RX3i PROFINET IO-Scanner User Manual GFK-2737F
3.3 Module Installation
3.3.1 Power Requiremnents
More than one power supply may be required to support some configurations. To determine the loading
within the PNS rack, refer to the Module Load Requirement section in the PACSystems RX3i System Manual,
GFK-2314. Calculate the 3.3 Vdc and 5 Vdc needs of the modules within the rack, and select power
supplies accordingly.
3.3.2 Hot Insertion and Removal
The PNS Module does not support hot insertion or removal. Turn power off at the rack before removing or
inserting a PNS.
Certain I/O Modules within the rack may be removed and/or inserted while the rack is powered up. Refer
to Section 5.3, Hot Swap of I/O Modules.
For a full discussion of this topic, refer to the Hot Insertion and Removal section in the PACSystems RX3i
System Manual, GFK-2314.
3.3.3 Removing the Backplane Knockout
The PNS can be installed in slot 1 or slot 2 of a 7-, 12-, or 16-slot RX3i Universal Backplane (IC695CHS007,
CHS012 or CHS016), or in slot 6 of a 7-slot RX3i Universal Backplane. It may not be located in the same
rack as an RX3i CPU module. For details, refer to the PACSystems RX3i System Manual, GFK-2314.
The rear of the PNS module has an exposed heat sink and backplane connector. Before inserting the
module into the backplane, remove the plastic knockout in the slot into which the module will be placed.
The installation slot must match the slot selected for the module in the Proficy Machine Edition (PME)
hardware configuration.
Figure 5: RX3i Backplane showing Removable Plastic Knockout
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