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Connect Ethernet/IP cable directly to programming computer/laptop.
Set internal switches to ‘888’.
Power up 843ES. This will restore factory default settings.
Power down 843ES.
Set internal switches to ‘999’.
Power up 843ES.
Using BOOTP assign address (such as 10.4.1.21) to 843ES.
Using RSLinx Classic, under device properties, change ‘Obtain IP address automatically using DHCP’ to ‘Configure IP address manually.’
Power down 843ES.
Turn off BOOTP / DHCP servers on programming computer/laptop.
Power up 843ES.
Ping the assigned IP address to ensure the 843ES has retained the IP address and is correctly programmed.
If this fails, ensure that there are no I/O connection to or through the 843ES. Repeat above steps.
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