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.
Screw terminals Spring terminals
Conductor
Screwdriver Conductor
Screwdriver
(opens ter-
minal)
– For information about wiring specifications see the description of the ter-
minal units
Ä
Chapter 2.6.4.3 “Terminals at the terminal unit” on page 990.
– For a detailed description of the mounting, disassembly and connection of
the module, please refer to the System Assembly, Construction and Con-
nection chapter
Ä
Chapter 2.6 “AC500 (Standard)” on page 971.
– For information about mechanical dimensions, please refer to the Mechan-
ical dimensions S500 chapter
Ä
Chapter 2.6.2.3 “Mechanical dimensions
S500” on page 979
The terminals 1.8 and 2.8 as well as 1.9, 2.9 and 3.9 are electrically interconnected within the
terminal unit and have always the same assignment, independent of the inserted module:
Terminals 1.8 and 2.8: Process supply voltage UP = +24 V DC
Terminal 3.8: Process supply voltage UP3 = +24 V DC
Terminals 1.9, 2.9 and 3.9: Process supply voltage ZP = 0 V
The assignment of the other terminals is dependent on the inserted communication interface
module.
XC version
Terminals
Terminal units (AC500 standard) > TU507-ETH and TU508-ETH for Ethernet communication interface modules
2022/01/313ADR010278, 3, en_US124
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