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RS232 to RS485 Jumper Settings
The figure to the right shows the jumper
factory default settings.
Note that in order:
To change the communication
setting to RS485, set both COMM
jumpers to '485'.
To change the RS485 termination,
set both TERM jumpers to 'OFF'.
Note: it is possible to establish a PC to PLC connection using RS232 even when the PLC is set to
RS485 (it will eliminate the need to open the controller for jumper setting).To do so, removes the
RS485 connector (pins 1 & 6) from the PLC and connect a standard RS232 programming cable
instead. Note that this is possible only if DTR and DSR signals of RS232 are not used (standard case).
Opening the Controller
Before performing these actions, touch a grounded object to discharge any electrostatic charge.
Avoid touching the PCB board directly. Hold the PCB board by its connectors.
1. Turn off the power supply, disconnect, and dismount the controller.
2. The back cover of the controller comprises 4 screws, located in the corners. Remove the screws,
and pull off the back cover.
Changing I/O Settings
1. The I/O board of the controller is now exposed, enabling you to change I/O settings according to
the jumpers shown on page 4.
Changing Communication Settings
Closing the Controller
Note that you must replace the back cover securely before powering up the controller.
The information in this document reflects products at the date of printing. Unitronics reserves the right, subject to all applicable laws, at any time, at its sole discretion,
and without notice, to discontinue or change the features, designs, materials and other specifications of its products, and to either permanently or temporarily withdraw
any of the forgoing from the market.
All information in this document is provided "as is" without warranty of any kind, either expressed or implied, including but not limited to any implied warranties of
merchantability, fitness for a particular purpose, or non-infringement. Unitronics assumes no responsibility for errors or omissions in the information presented in
this document. In no event shall Unitronics be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever arising out
of or in connection with the use or performance of this information.
The tradenames, trademarks, logos and service marks presented in this document, including their design, are the property of Unitronics (1989) (R"G) Ltd. or other third
parties and you are not permitted to use them without the prior written consent of Unitronics or such third party as may own them
8
V350-35-TA24, V350-J-TA24, V350-S-TA24, V350-JS-TA24 Installation Guide
1. To access the communication jumpers,
hold the I/O PCB board by its top and
bottom connectors and steadily pull the
board off.
2. Locate the jumpers, and then change
the settings as required. Jumper
settings are shown on page 4.
1. Gently replace the board. Make certain
that the pins fit correctly into their
matching receptacle.
Do not force the board into place; doing
so may damage the controller.
2. Replace the back cover of the
controller and fasten the corner screws.
DOC13018-A4 11/13
Unitronics
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