max. 32 I/O modules, and 16 ET 200AL
modules, multi hot swap, optional PN strain relief, PN
security class 1, bundle consists of: interface module
(6ES7155-6AU02-0BN0), server module
(6ES7193-6PA00-0AA0), SIMATIC bus adapter BA 2x RJ45
(6ES7193-6AR00-0AA0)