Siemens SIMATIC ET 200X - Order of Steps for Wiring the ET 200 X; Wiring the ET 200 X

Wiring
4-11
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
4.4 Wiring the ET 200X
Wiring procedure
You have to wire the ET 200X distributed I/O device in several steps. We
recommend you adopt the following procedure:
Table 4-1 Order of steps for wiring the ET 200X
Step Procedure See ...
1. Install the connectors for PROFIBUS-DP, supply and
load voltage, if required.
Section 4.4.1
2. Wire the above connectors. Section 4.4.2
3. Wire the connectors for connection to the inputs and
outputs on the modules.
Section 4.4.4
4. Connect the protective ground to the basic module. Section 4.4.5
5. Connect the protective ground to expansion modules
with analog inputs and outputs.
Section 4.4.6
6. Install the connectors and the plugs for the inputs and
outputs on the modules.
Section 4.4.7
7. Seal unused sockets with M12 plugs.
Note
Steps 1 and 2 do not apply to ET 200X-DESINA, because the cables used are of
the ready-to-use DESINA hybrid type.