Installing the modules
Installation Manual PSSuniversal
21262-EN-07
29
5
Installing the modules
5.1
Head modules
5.1.1
Installing the head module
Prerequisite:
}
The mounting rail must be installed.
Procedure:
}
Install an end bracket to the left of the head module or leave enough space for one.
}
Slot the groove on the head module on to the mounting rail from below [1].
}
Push the head module back [2] until you hear it lock into position.
Schematic representation:
[2]
[1]
5.1.2
Removing the head module
Prerequisite:
}
The supply voltage must be switched off.
}
The plugs for the bus connections must be removed.
}
All the wiring must be removed
}
All the base modules and compact modules must have been moved to the right (min.
30 mm) or have been removed from the rail.
Procedure:
}
Using a screwdriver, push the rear locking element [1] upwards until the locking hook
releases the anchor.
}
Pivot the head module and screw driver forwards [2] and remove in a downward direc-
tion [3].
