AX521 | ABB - Analog I/O Module 4 AI: U, I, RTD. 4 AO: U, I DIO Head-End Adaptor · Continuous 275 V to

· Continuous 275 V to neutral

12-inch Mini-Rack (7 module slots)

Time of Day Clock Accuracy: Maximum drift of 2 seconds per day

Application/Diagnostics Port (ETH 1)

Input Points: 8 (24 VDC sinking/sourcing)

AX521 | ABB - Analog I/O Module 4 AI: U, I, RTD. 4 AO: U, I DIO Head-End Adaptor · Continuous 275 V toDescription AX521 is an ABB S500 series analog I O module featuring 4 analog inputs and 4 analog outputs, supporting voltage, current, and RTD signals, ideal for precise measurement and control tasks. Analog Capabilities Analog Inputs: 4 (U, I, RTD, DI) Analog Outputs: 4 (U, I) Input Signal Types: Voltage (U), Current (I), RTD, Digital Input Output Signal Types: Voltage (U), Current (I) Resolution: 13 bit (input and output) Wiring Type: 1 wire Analog