Q1: What redundancy is supported by PM866?
A1: It supports CPU, communication, CEX‑bus, and I/O redundancy with hot-swappable modules and sub‑10 ms failover.
Q2: What memory and speed does it have?
A2: It runs a 133 MHz dual-core processor with 64 MB RAM (≈ 51 MB usable) and 4 MB flash.
Q3: How many I/O modules can I connect?
A3: Up to 96 non‑redundant or 84 in redundant configurations; expanded via CEX‑bus modules.
Q4: Tell me about communication interfaces.
A4: Two Ethernet ports for control networks, two RS‑232C ports (one isolated), and supports MMS, IAC, PROFIBUS, PROFINET, Modbus TCP.
Q5: What dimensions and weight should I expect?
A5: Form factor is about 190 × 230 × 80 mm (or alternate 263 × 58 × 28 mm), weighing ~1 kg.
Q6: What is the operating temperature range?
A6: +5 °C to +55 °C for operation; –40 °C to +70 °C in storage.
Q7: Is programming easy?
A7: Yes, supported by 800xA Control Builder software with rich diagnostic tools and memory backup via battery.
Q8: What is the power consumption like?
A8: Typical draw is around 5.1 W, with a max of 8.6 W; powered via 24 V DC nominal.
Q9: In which industries is it widely used?
A9: Common in power, oil & gas, chemical, pulp & paper, water, infrastructure—any high‑availability setting.
Q10: What certifications does it carry?
A10: Complies with ISA Secure, IEC 61131‑3, EMC standards, and optional IEC 61508 High Integrity ratings.
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