Siemens SIMATIC ET 200AL System Manual page 27

Rules
When putting together a hybrid configuration, you must observe the following rules:
• The bus length of the ET 200SP distributed I/O system is a maximum of 1 m
(excluding interface module/CPU, including BU-Send, BA-Send 1×FC and server module).
• A maximum of 16 ET 200AL I/O modules can be connected to ET-Connection.
• The maximum length of the bus cable for ET-Connection between two modules is 15 m.
Rules
The following table shows a rough overview of the functions of the ET 200AL I/O modules in
combination with the ET 200SP.
Function
Isochronous mode
Configuration control
Shared device
PROFIenergy
System redundancy S2
PROFIenergy is not supported by fail-safe I/O module F-DI 4+F-DQ 2x24VDC/2A, 4xM12
1)
With IM 155-6 PN/3 HF and IM 155-6 PN/2 HF as of V4.2
2)
Details on the hybrid configuration are available here
(https://support.industry.siemens.com/cs/de/en/view/100300517).
Procedure
Watch video sequence (https://support.industry.siemens.com/cs/ww/en/view/95886672)
Proceed as follows to put together a multi-tier configuration:
1. Mount the BaseUnit BU-Send directly to the right of the ET 200SP interface module or the
ET 200SP CPU.
2. Then install the other BaseUnits/I/O modules for the ET 200SP distributed I/O system and the
server module.
3. Connect the bus cable for ET-Connection to the BusAdapter BA-Send 1×FC and install it on
the BaseUnit BU-Send.
4. Fasten the BusAdapter BA-Send 1×FC with the BaseUnit BU-Send (1 screw with tightening
torque of 0.2 Nm). Use a screwdriver with a 3 to 3.5 mm blade to do this.
5. Connect the other end of the bus cable for ET-Connection (with M8 plug) to the first
ET 200AL I/O module (socket X30 ET-Connection IN).
6. Connect the supply voltage (24 V DC) to the ET 200AL I/O modules (X80 plug).
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ
3.2 Configuration variants with ET-Connection
Hybrid configuration
ET 200SP
IM CPU
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2
Application planning
ET 200AL I/O modules on
ET connection
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1
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