A control arrangement for a train set, comprising - a first control device (102.1) associated to a first driver's stand (101.5) of a first vehicle of said train set; - a second control device (102.2) associated to a second driver's stand (101.6) of a second vehicle of said train set; - a data bus system (102.3) connecting said first control device (102.1) and said second control device (102.2) to at least one controlled component (104.1 to 104.4, 107.1, 107.2) of said train set; - said first control device (102.1) being configured to assume, in an activated state of said first driver's stand (101.5) during a normal operational state of said train set, a role as a master control device (102.1) controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3); - said second control device (102.2) being configured to assume, in an activated state of said second driver's stand (101.6) during said normal operational state of said train set, said role as said master control device (102.1) controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3); characterised in that - an emergency communication arrangement is provided; - said emergency communication arrangement being configured to provide, in an emergency state with interrupted communication between said master control device (102.1) and said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3), an emergency communication channel separate from said data bus system (102.3) between said master control device (102.1) and a slave control device (102.2), said slave control device (102.2) being the one of said first control device (102.1) and said second control device (102.2) not forming said master control device (102.1); - said master control device (102.1), in said emergency state, controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said emergency communication channel, said slave control device (102.2) and a non-interrupted part of said data bus system (102.3) between said slave control device (102.2) and said at least one controlled component (104.1 to 104.4, 107.1, 107.2). - a first control device (102.1) associated to a first driver's stand (101.5) of a first vehicle of said train set; - a second control device (102.2) associated to a second driver's stand (101.6) of a second vehicle of said train set; - a data bus system (102.3) connecting said first control device (102.1) and said second control device (102.2) to at least one controlled component (104.1 to 104.4, 107.1, 107.2) of said train set; - said first control device (102.1) being configured to assume, in an activated state of said first driver's stand (101.5) during a normal operational state of said train set, a role as a master control device (102.1) controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3); - said second control device (102.2) being configured to assume, in an activated state of said second driver's stand (101.6) during said normal operational state of said train set, said role as said master control device (102.1) controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3); characterised in that - an emergency communication arrangement is provided; - said emergency communication arrangement being configured to provide, in an emergency state with interrupted communication between said master control device (102.1) and said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said data bus system (102.3), an emergency communication channel separate from said data bus system (102.3) between said master control device (102.1) and a slave control device (102.2), said slave control device (102.2) being the one of said first control device (102.1) and said second control device (102.2) not forming said master control device (102.1); - said master control device (102.1), in said emergency state, controlling said at least one controlled component (104.1 to 104.4, 107.1, 107.2) via said emergency communication channel, said slave control device (102.2) and a non-interrupted part of said data bus system (102.3) between said slave control device (102.2) and said at least one controlled component (104.1 to 104.4, 107.1, 107.2).