Technical information

IM-P343-29 CH Issue 550
TS2 - software configured travel switch 2 (normally closed)
Programming notes
The switching point can be set as a percentage of the valve travel between 0
to 100%. A value can be set outside the limits of the travel settings (MIN-T)
and (MAX-T). Initially OFF will be displayed indicating that the switch is
not set. To set a switching point press
and keys to alter the displayed
value.
Press
key to accept the displayed value and return to TUNE in the
main menu.
Commissioning notes
Travel switch 2 (TS2) is normally closed. External wiring should be made between terminals
3 (
+) and 4 (-). The value set is a % of valve travel. At the set value the switch will open. The
status of the switch will be shown on the LCD (refer to Figure 45).
Software configured travel switches can be used to remotely indicate valve position or
to operate warning devices, fans, stirrers, motors or other process equipment via a
secondary switching device.
Note: If the switch is in its 'off' status it will be an open circuit.
Fig. 45 TS2 Travel switch 2 (normally closed)
Switch
open
Switch
closed
Travel
100%
0%
50%
Signal
Note:
Software configured travel
switches can be set within
the range 0% to 100% of
full travel irrespective of any
travel limit settings.