SIEMENS S7-1500,PLC DIGITAL,INPUT,MODULE SM522 (6ES7521-1FH00-0AA0)

Description 6ES7521-1FH00-0AA0 model PLC has this feature enables the use of I/O modules with many channels, that are then distributed over several IO controllers. The latter can all be located in the same station. In the case of digital modules, the assignment is on the basis of load groups, with analog modules it is on a channel basis. The logic assignment is to a so-called "Submodule". It is also possible to assign all these Submodules to a single IO controller. In this case, the I/O addresses of the modules are not assigned on a block basis, but each Sub module can be assigned its own address. Specification Brand name: SiemensProduct name: Siemens S7-1500 PLC Digital...