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          Apter Power reviews redundant controller pairing, power-module quantity, and cabinet requirements for PK0750R sourcing.

        PK0750R

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        Emerson PK0750R is the DeltaV PK750 redundant controller assembly supplied with two controllers and two power modules.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for PK0750R

        • Manufacturer:
          Emerson
        • Part Number:
          PK0750R
        • Product Family:
          DeltaV
        • Product Type:
          DeltaV PK750 Redundant Controller Assembly
        • Stock:
          1
        • Architecture:
          Redundant
        • Controller count:
          2
        • Controller capacity:
          750 DST
        • Module execution rates:
          25 ms to 60 s
        • Controller input power:
          24 VDC ±10%, 700 mA maximum
        • Carrier input power:
          24 VDC ±10%, 2.75 A maximum
        • P01 Ethernet device limit:
          64
        • Traditional local I/O:
          Up to 8 carriers / 64 cards
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Capacity Planning Redundancy Setup Network Roles Product Applications

        Emerson PK0750R DeltaV PK750 Redundant Controller Assembly Overview

        • Redundant PK750 order identity with two controllers
        • 750-DST capacity in a paired controller architecture
        • Traditional local-I/O capability in the standard redundant assembly

        PK0750R includes two controllers, one carrier, two IOPs, and two power modules as one redundant order assembly.


        The paired hardware provides the basis for coordinated active and standby controller operation in a DeltaV cabinet.


        Native Ethernet services and scheduled module execution support control continuity while package and supervisory data remain integrated.

        Apter Power supports PK0750R order-scope review, redundancy documentation, and quotation coordination.
        Emerson PK0750R DeltaV PK750 Redundant Controller Assembly Manuals,Datasheets,Link
        Important Notice: Confirm that both controllers, both power modules, the carrier, and the intended traditional local-I/O architecture are included.
        • DST envelope: PK0750R supports as many as 750 device signal tags across the redundant controller order.
        • Module timing: Execution rates from 25 ms to 60 seconds separate time-critical control from slower supervisory logic.
        • Package network: P01 supports as many as 64 Ethernet devices for the configured client role.
        • Batch execution: The PK750 sizing value is eight standalone batch units.
        • Controller pair: Two PK750 controllers occupy the redundant assembly on one carrier.
        • Power scope: Two power modules complete the published redundant order set.
        • Input boundary: The published maximum controller input for the redundant pair is 700 mA.
        • Partner state: Both active and standby roles must be recognized before the cabinet returns to process service.
        • Modbus TCP: Client and Server roles support package controllers, HMIs, analyzers, and gateways.
        • EtherNet/IP: The Scanner role exchanges implicit and explicit messages through P01.
        • PROFINET: The Controller role operates through the PN1 interface in integrated DeltaV service.
        • OPC UA Server: Native data access uses no separate license and consumes no DSTs.
        • Redundant process units: PK0750R provides the ordered paired-controller base for continuity-focused DeltaV control.
        • Package integration: Skids can combine local control logic with supported industrial Ethernet devices.
        • Mixed I/O projects: Traditional cards, CHARMs, and WirelessHART can be used within the integrated architecture.
        • Remote cabinets: The -40 to 60 °C operating range supports distributed process-cabinet placement.
        Description
        The PK0750R is Emerson's ordered redundant PK750 assembly for DeltaV projects that retain traditional local I/O. Its defined scope combines two controllers, one carrier, two IOPs, and two power modules under one order identity, preventing a redundant requirement from being quoted as a simplex set.

        The PK0750R executes control logic from I/O and Ethernet device subsystems while the paired-controller architecture supports a coordinated standby path. Scheduled module rates from fast loops to supervisory tasks let engineers allocate execution demand without changing the product's 750-DST controller size.
        Alternative Names
        Emerson DeltaV PK750 Redundant Controller Assembly
        Technical notes
        PK0750R uses two controllers on one carrier and shares the assembly's two power modules. Replacing only one controller changes the redundancy relationship; verify active and standby roles, partner recognition, and synchronized configuration before returning the pair to service, and stop if the controllers do not establish the intended redundant state.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What should be included in a complete PK0750R order?
        A PK0750R order should include two PK750 controllers, one carrier, two IOPs, and two power modules. If either the second controller or second power module is missing, hold the order and reconcile the quotation with the official redundant assembly scope.
        What does the redundant suffix change for PK0750R service planning?
        PK0750R places two controllers on one carrier, so maintenance must preserve the paired architecture and confirm both controller roles after service. Treat a quote for one controller as a component offer, not a complete replacement assembly.
        Why can PK0750R authenticate but refuse a configuration download?
        Check the physical key switch first. In the locked position, PK0750R can still authenticate, back up, and retrieve, but it blocks download, decommission, upgrade, and Telnet actions. Return the switch to the required service position before retrying.
        Can PK0750R use Modbus TCP Client and EtherNet/IP Scanner on P01 at the same time?
        No. PK0750R supports only one of those P01 client roles at a time. Choose the protocol required by the package network before device engineering, and redesign the connection plan if both client functions are requested.
        Does the OPC UA Server on PK0750R require a separate license or consume DSTs?
        No. Emerson states that the PK0750R OPC UA Server needs no separate license and does not consume DSTs. Confirm client read and write demand against the published OPC UA capacity before using it for supervisory data exchange.
        How should PK0750R be sized when more than 16 CIOCs are planned?
        From DeltaV v15.FP3, PK0750R can address up to 32 CIOCs, but positions above the first 16 require CIOC2 units. If that hardware mix is unavailable, keep the design at 16 CIOCs or revise the I/O plan.
        What does a flashing red Error LED mean on PK0750R during startup?
        A flashing red Error LED means PK0750R is decommissioned; continuous red indicates an internal error. Commission an intentionally new controller, but hold the redundant startup and diagnose any controller that remains continuously red.

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