YOKOGAWA UT55A User Manual

3-6
IM 05P01C31-01EN
MaintenancePort(PowersupplyisnotrequiredfortheUT55A/UT52A).
The maintenance port is used to connect with the dedicated cable when using LL50A
Parameter Setting Software (sold separately). The parameters can be set without
supplying power to the UT55A/UT52A.
Maintenance port
UT55A
UT52A
Upper surface
Upper surface
 CAUTION
When using the maintenance port, do not supply power to the controller. Otherwise, the
controller does not work normally.
If power is supplied to the controller while the cable is connected, or the cable is
connected to the controller already turned on, unplug the cable and turn on the controller
again. The controller returns to the normal condition.
3.2NamesandFunctionsofKeys

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English