YOKOGAWA UT55A User Manual

1-13
IM 05P01C31-01EN
Introduction to Functions
1
Light-loaderCommunication
Use the LL50A to set parameters and create ladder programs. Attach the adapter to the
front of the controller to communicate.
► Light-loaderfunction:LL50AParameterSettingSoftwareUser’sManual
Light-loader
adapter
Dedicated cable
LL50A Parameter Setting Software
To USB terminal
MaintenancePortCommunication(Powersupplyisnotrequiredforthe
UT55A/UT52A)
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. Likewise, the ladder program can also be
downloaded.
Dedicated cable
LL50A Parameter Setting Software
To USB terminal
 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.
1.6CommunicationFunctions

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English