ABB Advant AC500 Manual page 15

Step 3: Mount I/O Terminal Unit (TU515, TU516, TU531 or TU532)
Figure: Assembly of the I/O Terminal Unit (TU515, TU516, TU531 or TU532)
The I/O Terminal Unit is installed on the DIN rail in the same way as the FBP Terminal Unit. Once
secured on the DIN rail, slide the I/O unit to the left until it fully locks into place creating a solid
mechanical and electrical connection.
Altogether 7 I/O Terminal Units can be combined with the FBP Terminal Unit.
Figure: Maximum configuration (1 FBP Terminal Unit plus 7 I/O Terminal Units)
Important: Up to 7 I/O modules can be used, of which up to 4 analog I/O modules are possible.
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AC500 Hardware
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System data
AC500 / Issued: 05.2007
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