ABB AC500 PLC - Page 163

XC = eXtreme Conditions
Extreme conditions
Terminal units for use in extreme ambient conditions have no sign for
XC version.
The figure 4 in the Part No. 1SAP4... (label) identifies the XC version.
NOTICE!
Risk of corrosion!
Unused connectors and slots may corrode if XC devices are used in salt-mist
environments.
Protect unused connectors and slots with TA535 protective caps for XC devices
TA535 Ä Chapter 1.8.4.6 “TA535 - Protective Caps for XC Devices”
on page 1172.
Conductor
1.5
1.6
1.7
1.8
1.9
Screwdriver (opens terminal)
For information about wiring specifications see Ä Chapter 2.6.4.3 “Terminals at
the Terminal Unit” on page 1274.
For a detailed description of the mounting, disassembly and electrical connec-
tion of the terminal units and the I/O modules, please refer to the "System
Assembly, Construction and Connection" chapter Ä Chapter 2.6.3 “Mounting
and Demounting” on page 1261.
The terminals 1.0, 2.0, 3.0, 1.1, 2.1 and 3.1 are electrically interconnected within the PROFINET
I/O terminal unit and always have the same assignment, irrespective of the inserted PROFINET
communication interface module:
XC Version
Spring
Terminals
Device Specifications
Terminal Units (AC500 Standard) > TU520-ETH for PROFINET Communication Interface Modules
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