Siemens SIMATIC ET 200AL System Manual page 19

Application planning
3.2 Configuration variants with ET-Connection
Requirement
For a hybrid configuration, you need at least the following components:
● Interface module
– IM 155-6 PN HF (V3.0 or higher)
– IM 155-6 PN/2 HF (V4.2 or higher)
– IM 155-6 PN/3 HF (V4.2 or higher)
– IM 155-6 PN ST (V3.1 or higher)
– IM 155-6 DP HF (V3.0 or higher)
● CPU
– 1510SP-1 PN (V2.0 or higher and STEP 7 (TIA Portal) V14 or higher)
– 1512SP-1 PN (V2.0 or higher and STEP 7 (TIA Portal) V14 or higher)
– 1510SP F-1 PN (V2.0 or higher and STEP 7 (TIA Portal) V14 or higher)
– 1512SP F-1 PN (V2.0 or higher and STEP 7 (TIA Portal) V14 or higher)
● BaseUnit BU-Send with BusAdapter BA-Send 1xFC
● ET-Connection cable pre-assembled on one side
● Power cable pre-assembled on one side
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.
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Note
Using 15 m cable
Keep in mind that you can only use cables with a cable length of 15 m between the
modules in combination with interface modules as of firmware version V3.3.0.
Distributed I/O system
System Manual, 08/2019, A5E31861578-AG