Siemens S5-135U/155U appendix Filter Subdrawer

Models: S5-135U/155U

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Central Controllers and Expansion Units Power Supply Units

An air supply as shown in the following illustration must be ensured.

Rear Panel

Bus Connector

Bus PCB

Heat Sink

 

 

Locking Bar

Exhaust

Exhaust

 

air

air

 

 

+

 

 

+

 

 

Shield

 

 

+

Guide Rail

 

 

 

 

Cable

 

+

Duct

 

 

 

Fan

 

 

Supply air

Filter Subdrawer

 

 

1)

 

 

d

Exhaust air

Additional PLC or EU

Baffle

Figure 4-3 Air Supply to the Central Controller

1)d: Clearance > 87 mm when a baffle is used

d:Clearance > 89 mm when a filter subdrawer is fitted

d: Clearance > 75 mm without filter subdrawer

System Manual

4-7

C79000-G8576-C199-06

Page 73
Image 73
Siemens S5-135U/155U appendix Filter Subdrawer