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Operating Temperature Range 0°C to 70°C
Designed for robustness
It provides four independent analog outputs that can be configured for either voltage or current output
preventing electrical noise and interference from affecting the signal
Communication protocols: Ethernet
Honeywell 621-9938 Serial I/O Module Transceiver Module Operating Temperature Range 0°C toOverview The Honeywell 621 9938 is a Serial I O Module (SIOM) designed for industrial automation applications. It enables communication between a Programmable Logic Controller (PLC) and serial devices. Features Dual communication ports: Provides redundancy for critical control systems. Front status LEDs: Offers real time visual feedback on module health. Supports various serial protocols: Adapts to different communication needs. Technical
