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I/O TERMINAL BLOCK
Reliable and efficient operation
High‑Speed Transmission: Supports ≥1 Gbps data rates
Append Information: 2x18
It serves as the primary computational engine for Human Machine Interface (HMI) stations
Yokogawa ALR121-S50 Serial Communication Module UIO Earth Leakage Sensor I/O TERMINAL BLOCKDescription Manufacturer: Yokogawa Product Number: ALR121 S50 Product Type: ALR121 Serial Communication Module (RS 422 RS 485, 2 ports) Model Code Breakdown: S: Standard type 5: Without explosion protection 0: Basic type Technical Specifications: Interface: RS 422 RS 485 Connection Method: Point to point (RS 422) Multipoint (RS 485) Synchronization Method: Start stop synchronization Communication Function: Half duplex Transmission Speeds: 1200 2400
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