PRS1 layout
PRS1 provides the single inverter position occupied by the IAM’s integrated axis, leaving no extra slot for a separate axis module.
Allen-Bradley Motion control
power rails
power rails
Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3 Kinetix 2000 Power Rails
Product Overview
Forming the mechanical and electrical backbone of a Kinetix 2000 group, the Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3 provide the fixed converter position and one, two or three inverter positions used by the IAM and downstream modules. Their embedded connectors distribute DC-bus and control power while maintaining the mounting pitch between installed devices.
Before a module list is assigned, 2093-PRS1 / 2093-PRS2 / 2093-PRS3 are selected from the total slot demand: every IAM uses the converter position plus its integrated inverter position, and a double-wide axis module consumes two inverter slots. Any connector left after the final active or shunt module is covered with a specified filler before the rail is energized.
Product Specifications
| Technical Item | 2093-PRS1 | 2093-PRS2 | 2093-PRS3 |
|---|---|---|---|
| Brand | Allen-Bradley | ||
| Product Type | Kinetix 2000 power rail | ||
| Series | Bulletin 2093 | ||
| Converter Positions | One fixed IAM converter position | ||
| Available Inverter Slots | 1 | 2 | 3 |
| Rail Length A | 90 mm | 130 mm | 170 mm |
| Additional Length B | Not applicable | 40 mm | 80 mm |
| Module Mounting Pitch | 40 mm | ||
| Overall Rail Height | 167.5 mm | ||
| Rail Face Depth | 76.0 mm | ||
| Connector Projection | 32.6 mm | ||
| Approximate Weight | 0.27 kg | 0.38 kg | 0.51 kg |
| Compatible Module Positions | IAM, axis module, shunt module or slot filler as assigned | ||
| Unused Connector Requirement | Install 2093-PRF slot filler | ||
Inverter-Slot Capacity
The Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3 differ by usable inverter positions while keeping the IAM converter location fixed at the left edge.
PRS2 layout
PRS2 adds a second inverter connector that can accept one single-wide compatible module after the IAM.
PRS3 layout
PRS3 provides three inverter positions, allowing either two single-wide additions or one compatible double-wide module after the IAM.
Width accounting
A module’s physical width determines how many connectors it consumes; catalog quantity and slot quantity are not always the same.
Empty-Slot Protection
The Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3 require every unused power connector to be covered so energized rail conductors are not exposed.
2093-PRF filler
The specified filler mounts in a vacant connector position after the active module group and closes the rail opening.
No operating gaps
An empty connector cannot be used as spacing between active modules; installed devices remain contiguous from the IAM outward.
Shunt slot count
A rail-mounted shunt occupies an inverter position and is included in the same capacity calculation as axis modules.
Power-off handling
Module or filler changes are made only after power is removed and the shared DC bus has discharged.
Common Questions
How do I select Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3?
Within a 2093-PRS1 / 2093-PRS2 / 2093-PRS3 installation, add the inverter positions required by the IAM, every axis module and any rail-mounted shunt. Then choose the shortest rail that holds that exact contiguous arrangement.
Why do Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3 have different lengths?
When specifying 2093-PRS1 / 2093-PRS2 / 2093-PRS3, each added inverter connector increases the rail length by one mounting pitch. The longer rail is functional capacity, not unused cabinet spacing.
What covers an unused connector on Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3?
On 2093-PRS1 / 2093-PRS2 / 2093-PRS3, install a 2093-PRF slot filler in every unused position after the active modules. Do not leave a power-rail connector exposed.
Can an axis module use the converter position on Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3?
No. Before wiring 2093-PRS1 / 2093-PRS2 / 2093-PRS3, the far-left converter position is reserved for the IAM. Axis and shunt modules use only the inverter positions to its right.
How is a double-wide module counted on Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3?
While commissioning 2093-PRS1 / 2093-PRS2 / 2093-PRS3, it consumes two adjacent inverter positions even though it is one catalog item. Count physical connectors before choosing PRS2 or PRS3.
Does a shunt module reduce axis capacity on Allen-Bradley 2093-PRS1 / 2093-PRS2 / 2093-PRS3?
Yes. For 2093-PRS1 / 2093-PRS2 / 2093-PRS3, a rail-mounted shunt uses an inverter position. Include it with the IAM and axis modules when calculating the available slots.
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