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        KONGSBERG RMP201-8
        KONGSBERG RMP201-8
        KONGSBERG RMP201-8
        KONGSBERG RMP201-8
        KONGSBERG RMP201-8
        KONGSBERG RMP201-8
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        • Lifecycle Status

          Active / Available from OEM
          Optimize your control system performance with this original Kongsberg RMP201-8 module, sourced by Apter Power for dependable industrial operation.

        RMP201-8

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        1001 reviews ｜ Need a Specific Revision?
        KONGSBERG RMP201-8 is an eight-channel I/O module that combines multipurpose field I/O, redundant RBUS communication, and hot-swap capability for RIO200 remote I/O systems.
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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.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for RMP201-8

        • Manufacturer:
          KONGSBERG
        • Part Number:
          RMP201-8
        • Product Family:
          KONGSBERG
        • Product Type:
          Eight-Channel I/O Module
        • Stock:
          2
        • Input voltage:
          +24 VDC nominal (+18 - +32 VDC)
        • Start-up voltage:
          Minimum 21.6 VDC for minimum 20 ms
        • Power ON rise time:
          Maximum 20 ms/V monotonic.
        • Current consumption:
          Stand-by current 0.25 A；Typical power ON surge at 24 VDC: 1.2 A for 20 ms.
        • Power ON inrush current:
          Maximum 1.2 A
        • Short circuit current:
          Maximum 1.2 A for 50 ms
        • Galvanic isolation (power input to module logic):
          500 V
        • Connector (A&B bus):
          5 pole T-BUS™ connector (Phoenix)
        • Bit rate:
          2 Mbp/s
        • Signal Code:
          Manchester encoded (Self-clocked) Copper Wire Topology
        • Insulation:
          500V (Optocoupler)
        • Physical Layer:
          RS-485 Multidrop
        • Cable Attenuation:
          < 6.5 db / 100m @ 10 MHz (CAT 5)
        • Cable length:
          Maximum 200m between repeaters；Maximum 3 repeaters
        • Fibre cable:
          62.5/125μm. Multi-modus
        • Connector:
          ST
        • Cable length:
          Maximum1000m (point to point)；500m if fitted in patch-panel topology
        • Analog to Digital Converter ADC:
          16 bit ±10 V range
        • Linearity:
          ±0.01% FS
        • Gain:
          ±0.02% FS
        • Drift:
          ±20 ppm/°C
        • Offset:
          ±30 mV
        • Mounting:
          Snap on dual DIN-rail
        • Screw Terminals:
          3.0 mm slotted
        • Operating temperature:
          -15 °C - +70 °C
        • Storage temperature:
          -25 °C - +70 °C
        • IP class:
          IP20
        • Compliant to standards:
          IEC 60945 and IACS E10 Life cycle prediction
        • I/O Soft Fail-safe time-out:
          Default value 6000 ms, programmable in the range 100 to 65535 ms (resolution 100 ms)
        • I/O Hard Fail-safe time-out:
          Is activated if the internal FW fail to trigger the watchdog within 60 ms
        • Weight:
          0.4 kg
        • Estimated shipping dimensions:
          3.4x14x13.5cm
        • Tariff Code:
          4707300000
        • Country of origin:
          Norway
        • 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 Specifications Operation Firmware Application Scenarios

        Features:

        • Eight-channel architecture with six multipurpose I/O channels and two individually isolated channels supporting multiple signal types.
        • Redundant RBUS communication and dual 24 VDC power inputs with ideal diode technology for improved system availability.
        • Integrated Built-In Test, configurable watchdog functions, galvanic isolation, and hot-swap capability for reliable industrial operation.
        KONGSBERG RMP201-8 provides flexible field interfacing for RIO200 remote I/O systems by integrating analog, digital, and potentiometer signal handling into a single compact module. Multiple I/O functions reduce hardware requirements while simplifying system architecture for industrial and marine automation projects. The combination of redundant communication and redundant power support contributes to higher system availability.

        High-performance analog conversion and comprehensive electrical isolation enable reliable signal processing in demanding control applications. Voltage and current signals can be measured or generated with high accuracy, while protected digital outputs deliver regulated 24 VDC loop power for connected field devices. Additional isolation on selected channels provides extra protection where sensitive equipment is connected.

        Installation and long-term maintenance are simplified through the snap-on DIN-rail construction and hot-swap functionality. Front-panel status indication allows operators to verify module health quickly, while built-in diagnostics continuously monitor operating conditions. Compliance with IEC 60945 and IACS E10 makes KONGSBERG RMP201-8 well suited for industrial automation, marine control systems, and other mission-critical applications.

        The RMP201-8 KONGSBERG Eight-Channel I/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        KONGSBERG RMP201-8 Eight-Channel I/O Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        KONGSBERG RMP201-8 Eight-Channel I/O Module Specs

        General

        • Manufacturer KONGSBERG
        • Model RMP201-8
        • Condition New Original ready stock
        • Product Family RMP200-8,RMP420,RMP422
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Channel Acquisition: The RMP201-8 supports concurrent acquisition of 8 channels of digital signals, achieving extremely low data transmission latency through a high-speed backplane bus.
        • Status Indication: The module panel integrates independent LED indicators, reflecting the on/off status of each channel and the current network communication quality in real time.
        • Dynamic Scanning: The hardware circuit adopts a high-frequency dynamic scanning mechanism, accurately capturing instantaneous level transitions and effectively eliminating glitches in the industrial environment.
        • Voltage Monitoring: The system has a built-in all-weather self-diagnostic program that automatically monitors fluctuations in the 24Vdc power supply on the module input side and issues an alarm.
        • Network Addressing: The firmware is perfectly compatible with the hardware's built-in DIP switches, supporting direct node ID mapping via field address settings.
        • Protocol Integration: Pre-installed with a marine-specific embedded communication control protocol, supporting seamless handshake with the K-Chief automation platform.
        • Data Filtering: The internal program integrates a digital filtering algorithm, allowing users to freely configure the debouncing time parameters for 8 channels via upper-level software.
        • Online Upgrade: Supports networked firmware updates via the Kongsberg remote control unit, enabling algorithm optimization without hardware disassembly.
        • Marine Valve Control: Primarily used in the ballast water systems of ocean-going cargo ships and offshore platforms, providing centralized monitoring of the travel switch status of 8 valve groups.
        • Propulsion System Monitoring: Deployed in the main propeller and side thruster control cabinets, serving as a core I/O unit to collect key interlock alarm signals in real time.
        • Power Plant Monitoring System: Suitable for the automated management (PMS) of marine diesel generator sets, enabling accurate recording of the start-up and shutdown status of various auxiliary pump groups.
        • Dynamic Positioning Connection: Acts as a bridge in high-precision dynamic positioning (DP) systems, uploading feedback data from field mechanical hydraulic valve groups to the main control unit.
        Description
        KONGSBERG RMP201-8 belongs to the RIO200 module family and integrates field I/O, network hub/repeater, and serial line interface functions into a compact module. The unit is mechanically snap-on mounted on a horizontal dual DIN rail, while communication and power distribution are based on the RBUS architecture. Supporting dual RBUS interfaces with a 2 Mbps Manchester-encoded RS-485 multidrop network, RMP201-8 enables redundant communication with host RCU systems and provides up to 99 configurable RBUS addresses.

        The module offers eight field channels consisting of six common-ground multipurpose channels for DI, DO, AI, AO, and potentiometer inputs, together with two individually isolated channels supporting DI, AI, and AO. Analog inputs and outputs utilize 16-bit converters with a ±10 V operating range, providing high measurement accuracy, excellent linearity, and stable gain performance. Voltage inputs, current inputs, voltage outputs, and current outputs allow RMP201-8 to support a wide variety of industrial signal types within one compact module.

        Power is supplied through single or dual 24 VDC inputs connected via RBUS A and RBUS B. Integrated ideal diodes allow redundant power sources to operate without voltage loss for loop powering, while inrush current protection limits startup current to 1.2 A. Digital outputs provide regulated 24 VDC loop power with output current limited to 100 mA per channel and a maximum combined output current of 0.3 A, helping protect connected equipment against overloads and short circuits.

        Reliability is further enhanced through galvanic isolation, built-in diagnostics, and configurable fail-safe functions. The communication interface provides 500 V isolation from the module logic, while Channels 6 and 8 receive additional isolation and over-voltage protection. Built-In Test (BIT) continuously performs controller self-diagnostics during startup and runtime, internal voltages are monitored automatically, and programmable watchdog timers provide both software and hardware fail-safe protection to improve operational security.

        KONGSBERG RMP201-8 is designed for straightforward installation and maintenance. The module supports hot-swap replacement and snaps directly onto a dual DIN rail using a simple rotating motion. Screw terminals accept conductors up to 2.5 mm², while the front Run/Error LED provides clear operating status during startup and normal communication. Operating temperatures from -15°C to +70°C, IP20 protection, compliance with IEC 60945 and IACS E10, and a predicted failure rate of 13.1 years at GB 25°C make RMP201-8 suitable for demanding industrial and marine automation environments.
        Alternative Names
        RMP2O1-8 RMP20I-8 RMP2018 NA-1E221 NN791.10 RMP422 RMP200-8 RMP420
        Technical notes
        Integrating hardware-configurable MSD/LSD addressing, the RMP201-8 multi-purpose module features robust 24 Vdc electrical isolation across all 8 channels to protect upper-level controllers from harsh marine voltage transients.
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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 functions does KONGSBERG RMP201-8 combine?
        KONGSBERG RMP201-8 combines an I/O interface, network hub/repeater, and serial line interface while supporting eight configurable field channels for digital, analog, and potentiometer applications.
        Can RMP201-8 operate with redundant power supplies?
        Yes. RMP201-8 accepts either single or dual 24 VDC power inputs through RBUS A and RBUS B. Integrated ideal diodes allow redundant supplies to operate together without voltage loss.
        Does KONGSBERG RMP201-8 support hot replacement?
        Yes. Hot-swap capability allows KONGSBERG RMP201-8 to be replaced without extensive system downtime, while the snap-on DIN-rail design simplifies maintenance.
        Which communication media can RMP201-8 support?
        Besides copper RS-485 networks with cable lengths up to 200 m between repeaters, RMP201-8 also supports fiber-optic communication using additional media converters for distances up to 1000 m in point-to-point installations.
        Where does KONGSBERG RMP201-8 provide additional electrical isolation?
        Channels 6 and 8 are individually isolated from Channels 1–5 and 7, with additional over-voltage protection and 500 V galvanic isolation between the RBUS and isolated channels.
        How does RMP201-8 indicate operating status?
        During startup, the front Run/Error LED illuminates red. After successful communication with the controller is established, the indicator changes to green, confirming normal operation.

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