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PM866AK02 ABB - Redundant Processor Unit

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About the Product

Technical Specifications

Parameter Details
🔢 Article Number 3BSE081637R1 (PM866AK02)
🔄 Redundancy Yes
🔒 High Integrity No
⏲️ Clock Frequency 133 MHz
⚙️ Performance (1000 boolean operations) 0.09 ms
🧠 Performance 0.09 ms
💾 Memory 64 MB
💻 RAM Available for Application 51.389 MB
💾 Flash Memory for Storage Yes
📊 Processor Type MPC866
🔄 Switch Over Time (Redundant Configuration) Max 10 ms
📈 No. of Applications per Controller 32
📄 No. of Programs per Application 64
📊 No. of Diagrams per Application 128
🗂️ No. of Tasks per Controller 32
🎯 Number of Different Cycle Times 32
⏳ Cycle Time per Application Programs Down to 1 ms
💾 Flash PROM for Firmware Storage 4 MB
🔌 Power Supply 24 V DC (19.2-30 V DC)
⚡ Power Consumption +24 V Typ/Max 210 / 360 mA
💡 Power Dissipation 5.1 W (8.6 W max)
🔄 Redundant Power Supply Status Input Yes
🔋 Built-in Back-up Battery Lithium, 3.6 V
🕒 Clock Synchronization 1 ms between AC 800M controllers by CNCP protocol
📜 Event Queue in Controller per OPC Client Up to 3000 events
🌐 AC 800M Transmission Speed to OPC Server 36-86 events/sec, 113-143 data messages/sec
🔗 Communication Modules on CEX Bus 12
🔌 Supply Current on CEX Bus Max 2.4 A
📡 I/O Clusters on Modulebus (Non-Redundant CPU) 1 electrical + 7 optical
📡 I/O Clusters on Modulebus (Redundant CPU) 0 electrical + 7 optical
📊 I/O Capacity on Modulebus Max 96 (single PM866) or 84 (redundant PM866) I/O modules
🔄 Modulebus Scan Rate 0 - 100 ms (actual time depending on number of I/O modules)
🔌 Supply Current on Electrical Modulebus 24 V : max 1.0 A
5 V : max 1.5 A
🌐 Ethernet Channels 2
🌐 Ethernet Interface Ethernet (IEEE 802.3), 10 Mbit/s, RJ-45, female (8-pole)
🔗 Control Network Protocol MMS (
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