ABB PM857K01 3BSE088385R1 High Integrity Processor Unit · 96 MHz
ABB PM857K01 processor unit
ABB PLC high integrity processor
96 MHz ABB processor unit
Place of Origin:
SWEDEN
Brand Name:
ABB
ABB PM857K01 processor unit
,ABB PLC high integrity processor
,96 MHz ABB processor unit
ABB PM857K01 3BSE088385R1 High Integrity Processor Unit · 96 MHz
High Integrity processor unit for AC 800M safety control architectures, with S800 I/O High Integrity support and 800xA High Integrity engineering.
AC 800M High Integrity processor
PM857K01 is an ABB AC 800M High Integrity processor unit with a 96 MHz MPC866 processor, 32 MB memory and a maximum capacity of 128 I/O signals.
Technical specifications
Processor & memory
| Processor type | MPC866 |
| Clock frequency | 96 MHz |
| Memory | 32 MB |
| RAM available for application | 22.184 MB |
| Flash PROM firmware storage | 18 MB |
| Performance, 1000 boolean operations | 0.17 ms |
| Applications / controller | 32 |
| Programs / application | 64 |
| Diagrams / application | 128 |
| Tasks / controller | 32 |
| Different cycle times | 32 |
| Cycle time per application program | 10 ms |
Power & I/O
| Power supply | 24 V DC (19.2–30 V DC) |
| Power consumption +24 V | 210 / 360 mA typ./max. |
| Power dissipation | 5.1 W / 8.6 W max. |
| Redundant power supply status input | Yes |
| Built-in backup battery | Lithium, 3.6 V |
| I/O capacity | Maximum 128 I/O signals |
| Communication modules on CEX bus | 12 |
| CEX bus supply current | Maximum 2.4 A |
| ModuleBus clusters | 1 electrical + 7 optical |
| ModuleBus I/O modules | Maximum 96 with non-redundant CPU |
Communication
| Ethernet channels | 2 |
| Ethernet interface | IEEE 802.3, 10 Mbit/s, RJ-45 |
| Control Network protocol | MMS and IAC |
| Control Network backbone | Recommended 100 Mbit/s switched Ethernet |
| RS-232C interfaces | 2 |
| COM3 | 75–19,200 baud, non-isolated, RTS-CTS |
| COM4 | 9,600 baud, opto-isolated, no RTS-CTS |
| Clock synchronization | 1 ms between AC 800M controllers by CNCP |
Environment & certification
| Operating temperature | 0 to +55 °C |
| Storage temperature | −40 to +70 °C |
| Relative humidity | 5–95%, non-condensing |
| Protection class | IP20 |
| Pollution degree | 2 |
| Corrosion protection | G3 per ISA 71.04 |
| Altitude | 2000 m |
| Rated isolation voltage | 500 V AC |
| Dimensions | 119 × 186 × 135 mm |
| Weight including base | 1200 g |
| Safety certification | TÜV certified SIL2 and SIL3 |
| Hazardous location | cULus Class 1, Zone 2; AEx nA IIC T4 / Ex nA IIC T4Gc X |
| Marine certificates | ABS, BV, DNV-GL |
Compatibility & replacement
Safety control architecture
Control Network
Ethernet communication with the AC 800M control environment.
PM857K01
Executes the configured High Integrity control application.
I/O & CEX
Connects associated communication and S800 I/O architecture.
Emergency shutdown
ESD / PSD control functions in process safety architectures.
Fire & Gas
Safety control applications requiring High Integrity operation.
Critical control
Interlock, burner management and other safety-related control functions.
Processor fault
Check controller status, diagnostics and application execution before replacing hardware.
Communication fault
Check Ethernet, CEX bus and connected communication modules according to the installed architecture.
I/O fault
Check ModuleBus configuration and S800 I/O diagnostics before changing the processor.
Supply & service
PM857K01 buyer FAQ
Is PM857K01 the same as PM857K02?
Does PM857K01 support S800 I/O High Integrity?
Where can I check the PM857K01 technical details?
What information should I send for a quotation?
PM857K01 availability
Send the part number, quantity, destination and required date. If available, include the machine or control system so we can check the requested configuration.
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