SIMATIC S7-MODULAR EMBEDDED CONTROLLER, EM PCI-104 EXTENSION MODULE FOR UP TO 3 ADDITIONAL PCI-104 CARDS, (USING OF PC/104 PLUS CARDS WITH ADDITIONAL ADAPTER POSSIBLE) - 6ES7677-1DD40-1AA0 - Siemens
SIMATIC S7-MODULAR EMBEDDED CONTROLLER, EM PCI-104 EXTENSION MODULE FOR UP TO 3 ADDITIONAL PCI-104 CARDS, (USING OF PC/104 PLUS CARDS WITH ADDITIONAL ADAPTER POSSIBLE) - Siemens