PM856AK01 ABB AC 800M Processor Module ABB Advant-800xA
Manufacturer: ABB
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Part Number: PM856AK01 STU3BSE069514R1
Condition：New with Original Package
Product Type: Processor Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB PM856AK01 Processor Unit Kit
Configured for high-speed logic execution within AC 800M control systems, the ABB PM856AK01 (PM856A Processor Module) provides direct physical and electrical execution of complex control tasks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM856AK01 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 1.2 kg |
| Dimensions | 186 mm x 119 mm x 135 mm |
| Operating Temp | +5 to +55 deg C |
| Power Consumption | 180 mA typical / 300 mA max |
| CPU | MPC860 Industrial Processor |
| Memory | 16 MB Total RAM / 2 MB Flash PROM |
| Protection Class | IP20 |
Industrial Control & Processing
The PM856A hardware utilizes a high-performance MPC860 processor architecture to ensure deterministic control execution. The module manages backplane bus communication velocity across the CEX-bus, supporting up to 12 distinct communication interface modules simultaneously. Integration with 800xA control software allows for firmware flash compatibility management, ensuring parity across distributed controller nodes. The backplane design supports modular I/O scaling, permitting up to 96 module connections while maintaining strict cycle-time determinism for 1 ms application tasks.
Frequently Asked Questions
Q: Does the PM856A support hot-swap of communication modules connected to the CEX-bus?
A: Yes, the processor facilitates hot-swap capability for CEX-bus modules; however, the PM856A itself must be powered down or transitioned to a non-active state before removal from the TP830 baseplate to maintain system bus integrity.
Q: How does the module handle real-time clock data during power loss?
A: The unit utilizes an internal 3.6 V lithium backup battery to sustain the real-time clock and volatile memory parameters during power-off intervals.
Q: Can the PM856A perform firmware updates via the serial interface?
A: Firmware updates and configuration transfers are executed via the isolated COM4 serial port or the Ethernet CN1/CN2 ports using the standard 800xA Control Builder configuration utility.
Field Installation Guidelines
- Mounting: Secure the TP830 baseplate to a rigid DIN rail using the slide-and-lock mechanism. Ensure the module is seated fully to establish a low-resistance connection with the backplane bus.
- Shielding: Connect the protective earth (PE) terminal on the baseplate to the local cabinet grounding busbar. Use shielded twisted-pair cabling for all Ethernet and RS-232C serial connections to prevent electromagnetic interference (EMI).
- Thermal Management: Maintain a minimum clearance of 50 mm above and below the module to facilitate passive convective airflow, ensuring ambient temperatures do not exceed +55 deg C.
- Wiring: Adhere to defined torque specifications for terminal block screws. Verify that all RJ-45 Ethernet connections are fully latched and free of mechanical strain.