ABB S500 - S500 Block Diagrams and Earthing Concept

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V2 S500 Hardware 1-27 System Data S500 / Issued: 01.2007
• If it is necessary to have an electrical isolation between the I/O terminals of different I/O modules,
several power supply units must be used.
• There is no electrical isolation between the I/O channels of an I/O module.
Power
DC505-FBP
FBP Terminal Unit TU505/TU506
ZP
supply
DIN
rail
I/O-Bus
FBP
uP
FBP
+
I/O-Bus
Power
supply
Digital I/O
UP CH-ERRx
ZP ZP
0V
UP
+24V
Inputs Inputs/outputs
FBP
1M
1M
Figure: Blocks diagram DC505-FBP with FBP, earthing concept