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connected to it, but this will require more work to configure and setup. As a result we highly

recommend the direct connection, which is what the SCU [System Configuration Utility]

expects.)

If you don't have an Ethernet Adapter on your PC, we recommend using a PCI or PCI Express

Ethernet Adapter -OR- a USB 2.0 or USB 3.0 Ethernet Adapter. Quite a few people use these

alternatives successfully, including myself.

We STRONGLY discourage using a wireless connection to communicate with your ESS. There can

be much more latency or delay involved with wireless communications, along with a much

higher risk of dropped packets. The ESS needs a fast, stable, and consistent link to your PC.

Many people use a second Ethernet connection or their wireless connection on the PC so they

may easily connect to the internet, which is fine. When not running a machine.

While you are running Mach and your CNC system, we recommend that you refrain from

browsing the internet, gaming or streaming music or videos. This can cause your computer to

take too much time away from Mach which could cause lost communications with your ESS

(which can ruin your project).

We also recommend that you disable power saving options (monitor sleep and power off timers,

hard drive sleep timers, and computer sleep timers); these have been known to cause lost

communications with your ESS.

We also recommend that you set Windows Update to notify you that there are updates available

instead of automatically installing them on its own.

We also know of cases where antivirus and anti-malware software have caused problems. We

recommend that you disable them while you are running Mach, IF your PC is not connected to

the internet.

Note that you do not need to assign a static IP address to your computer if you program the ESS

to use an address that is in the same subnet as your computer. The subnet is the same if the first

3 groups of numbers in the IP addresses are the same. Quite often Internet routers will assign

addresses in the 192.168.0.x or 192.168.1.x ranges. If you wish to use a DHCP server for your

computer, you can do that but the ESS still needs to use a static IP address in the same subnet. A

direct connection to the ESS is the preferred way to go because there is no question as to

whether there is enough bandwidth available to run your machine reliably.

We STRONGLY RECOMMEND THAT YOU DO NOT hook your ESS up to the same Ethernet adapter

that you connect to the Internet with. There is no telling how much CPU and Ethernet bandwidth

is being used up by other applications or other devices on the network. It is therefore officially

discouraged. You are on your own if you wish to mix the Internet with your CNC data. However,

if you wish to change the IP address of the ESS, you may do so with the Configurator Utility.

CNCroom MB3 User Manual

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