Trying to Upload a Plc Program Update and It Says Impossible

Downloading/Uploading a Project

Earlier you tin can admission the controller, you lot must establish PC-PLC communications.

You can constitute PC-PLC communications via Ethernet or USB cablevision.

Ethernet

1. Connect your PC to the controller using an Ethernet cablevision.
2. Access the controller's Ethernet settings by opening UniApps.
3. Check under Network> Ethernet to see the controller'southward IP address, subnet mask, and default gateway.
   Note that y'all can edit these values past touching a field to open the keypad.

   

4. In UniLogic, on the Solution Explorer, click PLC Communications>Panel. The settings here must match the controller's settings.

   

5. Click the PLC tab on the program ribbon, and then click Advice.
6. Select Ethernet, and enter the controllers address; you may need to click the refresh icon in social club to institute communications.

   

Click OK.

USB

1. Directly connect your PC to the controller using a mini B USB cablevision.
2. Click the PLC tab on the program ribbon, and then click Communication.
3. Select USB; the network Discovery utility volition begin to search for UniStream devices.
4. Click the desired device to establish communications.

   

After establishing communications:

1. Click the PLC tab on the program ribbon, click Download or Upload, and then select the desired pick.

Download Options
Total Download	Compares the projection in the PC to the project in the controller; downloads only the differences, including Media folders
Logic only	Downloads the project without Media folders
Media only	Downloads but the contents of the Media folders
Full download with Upload	Select this choice if you desire to enable project upload.
Logic only with Upload	Select this option if y'all desire to enable project upload.
Download all	This downloads the complete project, overwriting the entire project in the PLC. Notation that it does not include the ability to upload the project.
Export Project to a USB Storage Device	Select this to export the complete project to a USB storage device such as a DOK connected to your PC. DOK stands for Disk On Central. This may likewise exist referred to every bit a USB Stick, Memory Stick, USB Drive, Flash Drive, or Wink Stick. To download the project from DOK, insert the DOK into a UniStream USB port,  and then, in UniApps, select System>User App Upgrade>Import Application. Annotation that the model and Bone of the UniStream units must be identical.

The network Discovery utility will begin to search for UniStream devices; click the method USB or Ethernet, and then click the desired device to begin download.

Download via USB

Download via Ethernet

Ethernet, or IP Favorites, is a global file that is available in all of your UniLogic projects.

Note	To admission the controller'due south Ethernet settings,open UniApps and cheque under Network> Ethernet. To download Logic-only via the last used PC-PLC Communication method, y'all can use the keystroke Ctrl + D.

PLC Restart afterwards Download

When you edit an existing program and download it to the same controller, the controller may crave restart. The PLC volition require restart if:

• The project in the PLC is completely different (different ID) from the project being downloaded.

• Plan aspects are inverse that are not HMI, Ladder, or Data Tags, such every bit Communications or Hardware Configuration.

• The following changes are made in Data Tags:
  - If a Tag was deleted
  - If Tag is assigned to a unlike Information Type
  - If a Tag had its size reduced (for example, in an array or a cord)
  - If a Tag address was changed
  - If a Tag was changed from Retained to Non-retained, and vice-versa

Note that after a firmware update, the controller may need to be turned off and on (powering-off and powering-on).

Signature Log

You tin view the Signature log containing the history of your project by selecting the Tools> Signature icon on the UniLogic ribbon.

Depending on your version of Windows, you may need to install the USB drivers manually in order to found UniStream - PC communications.
Note that you can simply cull to connect to UniStream via Ethernet for application download, Online Test fashion, etc, thereby skipping the need to install USB drivers.

Under Windows 7, the USB driver installs automatically without issues.

Windows XP

Windows viii/10

If the drivers are installed, but you are yet unable to plant UniStream - PC communications via USB, check if your PC is running programs that control the office of your PC USB port.
If this is the case, yous may need to suspend the program or un-install it.

If the procedures above do not work, please contact Support.

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Source: https://unitronicsplc.com/Download/SoftwareHelp/UniLogic_Knowledgebase/Getting_Started_With_UniLogic/Downloading_Uploading_a_project.htm

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