Walchem WebMaster Manual

Wireless connection to local area network

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WebMaster or WebAlert Wireless Connection to Local Area

Need to connect to the local area network (LAN) but no LAN jack within 100

meters?

If you cannot make a direct Ethernet connection to the LAN because the distance from

the controller to the nearest LAN connection is beyond the 100 meters maximum, we

have a solution.

1) Establish a connection from the WM or WA to a plant's LAN / wireless access point,

2) Establish a connection from a WM or WA to a LAN jack.

The first solution requires the WM or WA to plug into a wireless Ethernet bridge using a

straight-through Ethernet cable, and then the wireless Ethernet bridge connects to the

plants' wireless access point. One wireless Ethernet bridge is required here.

The second solution requires the WM or WA to plug into a wireless Ethernet bridge

using a straight-through Ethernet cable, and then the wireless Ethernet bridge connects to

a second wireless Ethernet bridge that is plugged into a LAN jack. Two wireless

Ethernet bridges are required here.

Network

Wireless

Ethernet Bridge

Wireless

Ethernet Bridge

1 of 2

Wireless

Access Point

LAN

Wireless

Ethernet Bridge

LAN

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Page 1 WebMaster or WebAlert Wireless Connection to Local Area Network Need to connect to the local area network (LAN) but no LAN jack within 100 meters? If you cannot make a direct Ethernet connection to the LAN because the distance from the controller to the nearest LAN connection is beyond the 100 meters maximum, we have a solution.
Page 2 Ethernet IP Netmask address c. Default Gateway address 2. Once the above addresses have been determined, log into your WebMaster via USB. Go to the Communications page. Under Ethernet (LAN), input said addresses, or enable DHCP. Cycle power to the WM or WA.

Webalert