Siemens SIMATIC ET 200SP HA System Manual page 30

Plant planning
4.1 Planning the configuration of an ET 200SP HA distributed I/O
Example for the configuration of an I/O station
①
Carrier module IM
②
BusAdapter
③
Interface module (IM)
④
Potential group 1 (here ET 200SP HA)
⑥
• Carrier module 2x
⑦
– Light terminal block with I/O module
⑧
– Dark terminal block with I/O module
⑤
Potential group 2 (here ET 200SP HA)
⑥
• Carrier module 2x
⑨
– Light terminal block with I/O module
⑮
Supply voltage 1L+ for IM
⑯
Supply voltage
1L+ and 2L+ for potential group 1
⑰
Supply voltage 1L+ for potential group 2
Figure 4-1 Example: I/O station with ET 200SP HA (basic assembly and Ex module groups)
Solutions
Pay special attention to the following when planning a plant with hazardous areas:
• Selection of the components
• Planning the potentials
• Installation of the components
30
⑭
Server module
⑩
Potential group 3 (Ex module group)
⑪
• Ex BaseUnit with Ex power module
⑫
• Ex BaseUnit with Ex I/O module
⑬
Potential group 4 (Ex module group)
⑪
• Ex BaseUnit with Ex power module
⑫
• Ex BaseUnit with Ex I/O module
⑱
Supply voltage 1L+ for Ex power module (potential group 3)
⑲
Supply voltage 1L+ for Ex power module (potential group 4)
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA