Technical Specifications Model: CI547 Communication Interface: Multi‑channel isolated serial interface Supported Protocols: Modbus‑RTU and other custom serial industrial protocols Power Supply: 24 V DC from rack backplane Operating Temperature: ‑20 ℃ to +60 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5‑95 %, non‑condensing Mounting Type: AC800M rack plug‑in module Protection Class: IP20 Certifications: CE
Functional Features Multiple galvanic‑isolated serial communication channels for connecting external field‑devices. Supports Modbus‑RTU master and slave working modes. Realizes protocol conversion between controller internal backplane bus and external serial field‑bus. Front‑panel LED indicators display module power‑on, running, channel‑sending‑receiving and fault‑alarm status. Built‑in hardware surge‑protection for each serial‑signal channel. Supports online diagnosis of serial‑communication error count and channel‑status information. Plug‑in rack‑mount mechanical‑structure supports convenient spare‑part replacement.
Application Scenarios AC800M control‑system multi‑channel serial‑communication expansion spare‑part‑replacement. Factory automation connecting multi‑group Modbus‑RTU intelligent meters, actuators and auxiliary equipment.
Installation Requirements Insert CI547 module into designated slot of AC800M rack and lock spring‑clip buckle. Connect external serial‑bus shielded twisted‑pair cables to front‑side screw‑type terminals. Install terminal‑matching resistance at bus‑segment terminal positions according to serial‑bus specification. Complete cabinet protective‑earthing complying with AC800M system grounding specifications. Separate serial‑signal cables and high‑power power‑cables. Reserve heat‑dissipation ventilation‑space around module slot. Ambient operating temperature must stay within ‑20 ℃ ~ +60 ℃ without condensation.
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