AX521 ABB Analog I/O Module Product ID: 1SAP250100R0001 Fail-Safe Digital Output Module TX/RX LED: Indicates when the

TX/RX LED: Indicates when the 3500/92 is communicating with other modules in the 3500 rack

4 Ethernet jacks

Channels: 64

It is designed for use in industrial automation systems

AX521 ABB Analog I/O Module Product ID: 1SAP250100R0001 Fail-Safe Digital Output Module TX/RX LED: Indicates when theOverview AX521 (Product ID: 1SAP250100R0001) is a 4 channel analog input and 4 channel analog output module from ABBs S500 series, supporting voltage, current, and RTD signals. Product Details Extended Product Type: AX521 Product ID: 1SAP250100R0001 ABB Type Designation: AX521 Signal Type: U, I, RTD for input; U, I for output Wiring Type: 1 wire Resolution: 13 bit (input and output) Analog Configurable I Os: 0 I O Configuration Analog Inputs: 4 Analog