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Marvo Part ID: MV-296P

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Specification Description
Part Number PM861AK01
Alternative Part Number PM861AK01
Manufacturer ABB
CPU Clock Frequency 48 MHz
Memory Size 16 MB
Number of Batteries 1
Product Net Weight 1.15 kg
Gross Volume 0 m³
Country of Origin China (CN)
Customs Tariff Number 85389091
Environmental Conditions Industrial
Protection Class IP20 according to EN 60529, IEC 529
Certificates and Standards CE-marking: Meets EMC directive 2004/108/EC, EN 61000-6-4, EN 61000-6-2, Low Voltage Directive
Electrical Safety EN 50178, IEC 61131-2, UL 508 (Note: UL 508 not valid for PM861A)
Hazardous Location cULus Class 1, Zone 2, AEx nA IIC T4, ExnA IIC T4Gc X
RoHS Compliance EN 50581:2012
WEEE Compliance DIRECTIVE/2012/19/EU
Dimensions Width 119 x Height 186 x Depth 135 mm
Weight (including base) 1.15 kg
Processor Type MPC860
Flash Memory for Storage Yes
CPU Redundancy Support Yes
Power Supply 24 V DC (19.2-30 V DC) max 5 % ripple according to IEC 61131-2
Power Consumption +24 V (typ/max) 250/430 mA
Power Dissipation Typical 6.0 W
Real-time Clock Stability 100 ppm (approx. 1 h/year)
Clock Synchronization 1 ms between AC 800M controllers by CNCP protocol
Ethernet Channels 2
Ethernet Interface Ethernet (IEEE 802.3), 10 Mbit/s, RJ-45, female (8-pole)
Control Network Protocol MMS (Manufacturing Message Service) and IAC (Inter Application Communication)
Recommended Control Network 100 Mbit/s switched Ethernet
RS-232C Interface 2 (one general, 1 for service tool)
Operating Temperature +5 to +55 °C (+41 to +131 °F)
Storage Temperature -40 to +70 °C (-40 to +158 °F)
Relative Humidity 5 to 95 %, non-condensing
Vibration 10 < f < 50 Hz: 0.0375 mm amplitude, 50 < f < 150 Hz: 0.5 g acceleration
Emitted Noise < 55 dB (A)
Shock No package 150 m/s² in 11 ms, 20 g in 3 ms

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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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PM861AK01 Product Description

The ABB PM861AK01 Processor Unit is a robust and versatile central processing unit designed for industrial automation applications. This unit is part of ABB's acclaimed AC 800M controller series, which is known for its reliability and performance in demanding environments. The PM861AK01 features a 48 MHz CPU and comes with 16 MB of memory, providing ample processing power for complex automation tasks.

Included in the package are essential components such as the PM861A CPU, TP830 baseplate, TB850 CEX-bus terminator, TB807 ModuleBus terminator, TB852 RCU-Link terminator, and a battery for memory backup, ensuring that you have all the necessary elements for a seamless integration into your control system. It should be noted that this particular model does not include a license and is not compliant with RoHS 2 2011/65/EU, making it suitable as a spare part for systems installed before July 22, 2017.

The PM861AK01 is designed for repair, reuse, updating of functionalities, or upgrading of capacity. For new installations, ABB recommends the PM862K01 as an alternative. This processor unit is a testament to ABB's commitment to providing high-quality, durable, and reliable solutions for industrial automation.

Frequently Asked Questions

What is included in the processor unit package?

The processor unit package includes the CPU, a baseplate, CEX-bus terminator, ModuleBus terminator, RCU-Link terminator, and a battery for memory backup. Please note that no license is included with the package.

Can this processor unit be used for new installations?

No, the PM861AK01 is not intended for new installations. It is a spare part for systems placed on the market before July 22, 2017, and can only be ordered for repair, reuse, updating of functionalities, or upgrading of capacity. For new installations, the PM862K01 is recommended instead.

What are the technical specifications of the processor unit?

The processor unit operates at a CPU clock frequency of 48 MHz and has a memory size of 16 MB. It is designed for industrial environments and meets various EMC and safety standards.

Is the processor unit RoHS compliant?

No, this part is not RoHS 2 2011/65/EU compliant. It is intended as a spare part for systems that were placed on the market before the specified compliance date.

What is the weight and dimensions of the processor unit?

The product net weight is approximately 1.15 kg, and while the exact dimensions are not specified, it is designed to fit within standard industrial equipment racks.

What environmental conditions can the processor unit operate under?

The processor unit is suitable for industrial conditions with a relative humidity range of 5 to 95%, non-condensing. It has a protection class of IP20 and is designed to withstand certain levels of shock and vibration.

What is the power consumption of the processor unit?

The power consumption details are not specified in the provided datasheets. However, it is designed to operate with a 24 V DC power supply, with a typical range of 19.2-30 V DC according to IEC 61131-2 standards.

Can the processor unit support redundancy?

Yes, the PM861AK01 supports CPU redundancy, which is crucial for applications that require high availability and reliability.

What type of battery is used for memory backup in the processor unit?

The processor unit uses a lithium battery for memory backup, ensuring that critical data is retained in the event of a power loss.

How can I ensure compatibility with my existing system?

You should verify the compatibility of the processor unit with your existing system by checking the technical specifications and ensuring it matches the requirements of your application, especially if it's intended for repair or upgrade of an existing system.