A heart pump arrangement including a heart pump and a control apparatus connected thereto, where the control apparatus has a first connector element of a first connection device, and including an intermediate plug-in module, which has a second connector element, which is detachably connectable to the first connector element, wherein the intermediate plug-in module has a second connection device, which is non-detachable or which is detachable within a framework of a second connection, for connection to an electrical power source, and additionally a third connection device, which is non-detachable or which is detachable within a framework of a third connection, for connection to a data processing device, in particular a terminal. By means of the connection possibilities of the intermediate plug-in module on the secondary side, incorrect connections to connected batteries, power supply units, or other apparatuses to be connected are minimised.
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