Modular control apparatus

In a modular control apparatus for controlling a technical installation, said modular control apparatus comprising a plurality of control module arrangements each having a first module part, a second module part and a third module part having a blocking section, a first module part comprising:

• a securing element with a securing engagement section moveable between a first and a second position, and
• a securing actuation section by means of which the securing element, in the control module arrangement, is moveable between the first and second positions when a force is exerted on the securing actuation section,
• wherein the securing engagement section, in the first position, is in securing engagement with the second module part such that the first module part and the second module part are secured against one another,
• wherein the securing engagement section, in the second position, is arranged in the control module arrangement in such a manner that the first module part and the second module part are detachable from one another,
• wherein the securing actuation section, in the first position, is located in a first spatial region and, in the second position, is located in a second spatial region, and
• wherein the blocking section is located at least partially in said second spatial region.

In a modular control apparatus for controlling a technical installation, said modular control apparatus comprising a plurality of control modules each having a first module part, a second module part and a third module part, wherein the first module part and the second module part are mechanically and electrically combined to form a first combined arrangement, and wherein the first module part and the third module part are mechanically and electrically combined to form a second combined arrangement, wherein the first module part comprises a securing element with a securing engagement section moveable between a first and a second position, and comprises a securing actuation section by means of which the securing element, in the first combined arrangement, is moveable between the first and second positions when a force is exerted on the securing actuation section, wherein the securing engagement section, in the first position, is in securing engagement with the second module part such that the first module part and the second module part are secured against one another to thereby secure the first combined arrangement, and wherein the securing engagement section, in the second position, is located in the first combined arrangement in such a manner that the first module part and the second module part are detachable from one another, wherein the securing actuation section, in the first position, is located in a first spatial region and, in the second position, is located in a second spatial region, a third module part comprising:

• a blocking section located at least partially in said second spatial region.