PRODUCT INFORMATION
Product Overview
The ABB PM891K01 3BSE053241R1 is an AC800M Processor Unit Kit. It features an MPC8270 microprocessor running at 450 MHz. The controller executes 1000 boolean operations in 0.043 ms. It contains 256 MB of RAM with 208.985 MB available for applications. Firmware is stored in 16 MB of Flash PROM. A Secure Digital interface is built into the unit.
The monolithic processor unit includes a built-in power supply and termination. It does not contain an internal battery. Two RJ45 Ethernet ports connect to the Control Network. An isolated RJ45 serial port COM4 provides configuration access. The unit connects up to 84 S800 I/O modules across seven optical Modulebus clusters. Up to 12 communication modules mount on the CEX-Bus.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Redundancy | No |
|---|
| High Integrity | No |
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| Clock Frequency | 450 MHz |
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| Performance, 1000 boolean operations | 0.043 ms |
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| Performance | 0.043 ms |
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| Memory | 256 MB |
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| RAM available for application | 208.985 MB |
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| Flash memory for storage | Yes |
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| Processor type | MPC8270 |
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| Switch over time in red. conf. | Max 10 ms |
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| No. of applications per controller | 32 |
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| No. of programs per application | 64 |
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| No. of diagrams per application | 128 |
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| No. of tasks per controller | 32 |
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| Number of different cycle times | 32 |
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| Cycle time per application programs | Down to 1 ms |
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| Flash PROM for firmware storage | 16 MB |
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| Power supply | 24 V DC (19.2-30 V DC) |
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| Power consumption +24 V typ/max | 660/750 mA |
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| Power dissipation | 15.8 W (18 W max) |
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| Redundant power supply status input | Yes |
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| Built-in back-up battery | No |
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| Clock synchronization | 1 ms between AC 800M controllers by CNCP protocol |
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| Event queue in controller per OPC client | Up to 3000 events |
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| AC 800M transm. speed to OPC server | 36-86 events/sec, 113-143 data messages/sec |
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| Comm. modules on CEX bus | 12 |
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| Supply current on CEX bus | Max 2.4 A |
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| I/O clusters on Modulebus with non-red. CPU | 0 electrical + 7 optical |
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| I/O clusters on Modulebus with red. CPU | 0 electrical + 7 optical |
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| I/O capacity on Modulebus | Max 84 modules |
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| Modulebus scan rate | 0 - 100 ms (actual time depending on number of I/O modules) |
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| Supply current on Electrical Modulebus | 24 V : max 1.0 A 5 V : max 1.5 A |
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| Ethernet channels | 2 |
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| Ethernet interface | 10/100 Mbit/s |
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| Control Network protocol | MMS (Manufacturing Message Service) and IAC (Inter Application Communication) |
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| Recommended Control Network backbone | 100 Mbit/s switched Ethernet |
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| Real-time clock stability | 50 ppm (approx 0.5h / year) |
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| RS-232C interface | 1 for service tool (COM 4) |
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| RS-232C interface (COM3) (non red. only) | Not supported |
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| RS-232C interface (COM4) (non red. only) | RS-232C, 9 600 baud, RJ-45 female (8-pole), opto isolated, no RTS-CTS support |
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| Temperature, Operating | 0 to +55 °C (+32 to +131 °F) |
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| Temperature, Storage | -40 to +70 °C (-40 to +158 °F) |
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| Temperature changes | 3 °C/minutes according to IEC/EN 61131-2 |
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| Pollution degree | Degree 2 according to IEC/EN 61131-2 |
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| Corrosion protection | G3 compliant to ISA 71.04 |
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| Relative humidity | 5 to 95 %, non-condensing |
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| Emitted noise | - |
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| Vibration | 10 < f < 50 Hz: 0.0375 mm amplitude, 50 < f < 150 Hz: 0.5 g acceleration, 5 < f < 500 Hz: 0.2 g acceleration |
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| Rated Isolation Voltage | 50 V |
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| Dielectric test voltage | 500 V a.c. |
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| Protection class | IP 20 according to EN 60529, IEC 529 |
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| Altitude | 2000 m (6562 ft) according to IEC/EN 61131-2 |
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| Emission & Immunity | EN 61000-6-4, EN 61000-6-2 |
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| CE Mark | Yes |
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| Electrical Safety | EN 50178, IEC 61131-2, UL 61010-1, UL 61010-2-201 |
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| Hazardous location | UL 60079-15, cULus Class 1, Zone 2, AEx nA IIC T4, ExnA IIC T4Gc X |
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| Marine certificates | ABS, BV, DNV, LR, CCS |
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| TUV Approval | No |
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| RoHS compliance | EU RoHS, UAE RoHS, CN RoHS |
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| WEEE compliance | DIRECTIVE/2012/19/EU |
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| Width | 174 mm |
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| Height | 186 mm |
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| Depth | 94 mm |
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| Weight (including base) | 1600 g |
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TECHNICAL INFORMATION
Features
- Executes 1000 boolean instructions in 0.043 ms via a 450 MHz MPC8270 processor.
- Provides 256 MB total RAM with 208.985 MB allocated for user applications.
- Includes 16 MB Flash PROM memory for controller firmware storage.
- Features two 10/100 Mbit/s RJ45 Ethernet ports supporting MMS and IAC protocols.
- Provides an optically isolated RJ45 RS-232C serial port running at 9600 baud.
- Supports up to 12 communication interface modules across the CEX-Bus.
- Connects up to 84 S800 I/O modules across seven optical Modulebus clusters.
- Complies with ISA 71.04 G3 corrosion protection standards for harsh environments.
TECHNICAL INFORMATION
Applications
- AC 800M distributed process control architectures.
- Multi-cluster remote S800 I/O coordination using optical Modulebus fiber links.
- High-density fieldbus communication subsystems using up to 12 CEX-Bus modules.
TECHNICAL INFORMATION
Connections / Interfaces
- Two RJ45 Ethernet ports labeled CN1 and CN2 for Control Network connections.
- One opto-isolated RJ45 serial port labeled COM4 for configuration tools at 9600 baud.
- CEX-Bus interface providing up to 2.4 A supply current for communication modules.
- Optical Modulebus interface supporting seven optical I/O clusters.
- One Secure Digital card interface slot for memory functions.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the unit on standard DIN rails within an industrial enclosure.
- Maintain ambient operating temperatures between 0 °C and 55 °C.
- Connect 24 V DC power within the allowable 19.2 to 30 V DC range.
- Maintain non-condensing relative humidity levels between 5% and 95%.
TECHNICAL INFORMATION
Configuration Guidelines
- Configure Control Network communication via ports CN1 and CN2 using MMS and IAC protocols.
- Connect configuration tools to the isolated COM4 serial port at 9600 baud.
- Define up to 32 independent applications and 32 separate task cycle times per controller.
- Configure task cycle execution down to 1 ms.
TECHNICAL INFORMATION
Compatibility
- AC 800M CEX-Bus communication modules up to 12 units.
- ABB S800 I/O modules up to 84 units across seven optical clusters.
- OPC servers supporting transfer speeds up to 86 events per second.
TECHNICAL INFORMATION
Lifecycle / Replacement Information
- Supplied as an AC 800M processor unit kit under catalog number 3BSE053241R1.
TECHNICAL INFORMATION
Compliance and Certifications
- Electrical Safety: EN 50178, IEC 61131-2, UL 61010-1, UL 61010-2-201.
- Hazardous Locations: UL 60079-15, cULus Class 1 Zone 2, AEx nA IIC T4, Ex nA IIC T4 Gc X.
- Marine: ABS, BV, DNV, LR, CCS.
- Directives: CE Mark, EU RoHS, UAE RoHS, CN RoHS, WEEE Directive 2012/19/EU.
- Corrosion Protection: ISA 71.04 G3 compliant.
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSAC 800M CEX-Bus communication modules up to 12 units. ABB S800 I/O modules up to 84 units across seven optical clusters. OPC servers supporting transfer speeds up to 86 events per second.
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
Does the ABB PM891K01 include an internal backup battery?
No. The PM891 processor unit does not contain an internal battery.
How much RAM is available for user applications on the PM891K01?
The PM891K01 provides 208.985 MB of available RAM for applications out of 256 MB total.
What communication interfaces are integrated on the PM891 processor?
The unit includes two RJ45 10/100 Mbit/s Ethernet ports and one isolated RJ45 RS-232C serial port.
How many S800 I/O modules can connect to the PM891K01?
The unit supports up to 84 S800 I/O modules across seven optical Modulebus clusters.
