Roller shutters with a switch and central timer, is that possible?

In the first image, the isolating relays are integrated into the switches.

The setup is such that 1 and 2

can be operated individually.
As a group and as a group with 3 and 4

In other words, 3 different modes of operation. It's basically individual/floor/and central control.

The image is from GIRA.

I have absolutely no knowledge of electricity, but still a tip because I experienced it myself. In the old house, we installed these digital astro-timers everywhere on the roller shutters. The same programming ensures the same up and down movement. Nevertheless, there was the option for manual operation. If it is the system that MyCraft recommends, then I already apologize for my nonsensical comment.

And maybe a tip. Depending on how many roller shutters are supposed to run simultaneously, separate the phases.

Here, one does not want a clock on every roller shutter and then program them there.

Instead, one clock for all roller shutters and the switches/buttons in the rooms as usual without clocks.

You don’t want a timer on every roller shutter to program them there.

Instead, one timer for all roller shutters and the switches/buttons in the rooms as usual without timers.

Right, Mycraft,

I want to open and close the individual blinds on site with the switches, and also control all of them on one floor simultaneously via a single timer.

I just don't get how many wires I need from the switch to the motor and then from the timer to the motor.

The isolating relays go into the switches, right?