Siemens 6ES5 521-8MA22 S5 CP521 Serial Interface Communications Processor Module Ring Model Number: Communications Processor Module

Model Number: Communications Processor Module

Up to 64 readers or 32 downstream devices

Style 1: Inlet/Outlet On Center

Features: 2-way A/B switch box

Siemens 6ES5 521-8MA22 S5 CP521 Serial Interface Communications Processor Module Ring Model Number: Communications Processor ModuleSiemens S5 CP521 Serial Interface Communications Processor Module Features: Simatic S5, CP 521 Si Communications Processor (Serial Interface) for S5 90U 95U 100U, ET 200U. Processor Controller Simatic S5 6ES5 375 1LA21 Memory Submodule For use with: S5 90U, S5 95U, S5 100U, ET 200U Controller Systems Manufacturer: Siemens Model Number: Communications Processor Module Part Number: 6ES5 521 8MA22 Also Known As: 6ES55218MA22