*) For planning and commissioning of new installations use modules in Active
status only.
1.4.3 TU515, TU516, TU516-H and TU542 for I/O Modules
● TU515, I/O terminal unit, 24 VDC, screw terminals
● TU516, I/O terminal unit, 24 VDC, spring terminals
● TU516-XC, I/O terminal unit, 24 VDC, spring terminals, XC version
● TU516-H, I/O terminal unit, hot swap, 24 VDC, spring terminals
● TU516-H-XC, I/O terminal unit, hot swap, 24 VDC, spring terminals, XC version
● TU542, I/O terminal unit, 24 VDC, spring terminals
● TU542-XC, I/O terminal unit, 24 VDC, spring terminals, XC version
● TU542-H, I/O terminal unit, hot swap, 24 VDC, spring terminals
● TU542-H-XC, I/O terminal unit, hot swap, 24 VDC, spring terminals, XC version
1 I/O bus (10pins, male) to electrically connect the previous terminal unit, the CPU terminal
base or the communication interface module to the terminal unit
2 I/O bus (10 pins, female) to electrically connect other terminal units
3 Plug (1x 50 pins and 2x 38 pins) to electrically connect the inserted I/O modules
4 With a screwdriver inserted in this place, the terminal unit and the adjacent terminal unit can
be shoved from each other
5 Holes for wall mounting
6 40 terminals for signals and process supply voltage
7 DIN rail
8 White boarder signifies hot swap capability of the terminal unit
Terminal Units (AC500 Standard) > TU515, TU516, TU516-H and TU542 for I/O Modules
2019/04/17 3ADR010121, 13, en_US 153