How to Configure Fanuc Network and FOCAS Settings
Overview
This article includes steps to configure network and FOCAS settings.
Requirements
- Static IP Address, Subnet Mask, & Gateway
- Network Drop
Controls
- Fanuc 16i-MB, 16i-TB, 160i-MB, 160i-TB, 160is-MB, 160is-TB
- Fanuc 18i-MB, 18i-TB, 180i-MB, 180i-TB, 180is-MB, 180is-TB
- Fanuc 21i-MB, 21i-TB, 210i-MB, 210i-TB, 210is-MB, 210is-TB
- Fanuc 0i-MD, 0i-TD, 0i-MF, 0i-TF
- Fanuc 30i Model A, Model A5, Model B, Model B5
- Fanuc 31i Model A, Model A5, Model B, Model B5
- Fanuc 32i Model A, Model A5, Model B, Model B5
- Essentially any Fanuc control manufactured after 2004
Connecting Ethernet Cable
- Plug ethernet cable into CD38A port, this is typically located in the main electrical cabinet or behind the LCD screen
- Electrical Cabinet location, common on 16i, 18i, 21i, 30i, 31i, & 32i controls

- Behind the LCD location, common on 16i, 18i, 21i, 0i-D, & 0i-F controls

Notate or take a picture of any settings before making changes
Some controls require you to be in MDI mode and enable Parameter Write Enabled (PWE)
- Press SYSTEM button
- Press the right arrow soft key until you see EMBED PORT on the softkeys
- Press EMBED PORT
- Press COMMON
- To set the following settings, type the value, then press INPUT button
- Set IP ADDRESS with your static IP address
- Set SUBNET MASK with your subnet mask
- Set ROUTER IP ADDRESS with your gateway
- Leave DHCP CLIENT set to "0"
- Confirm AVAILABLE DEVICE is "EMBEDDED"
- If not, press (OPRT), then EMB/PCMCIA, then EXECUTE, then far left softkey to go back

Notate or take a picture of any settings before making changes
- Press FOCAS2 (if softkey is not seen, follow steps 1-3 from Configure Network Settings steps above)
- If PORT NUMBER (TCP) is "0", change to "8193"
If already set to something other than 0, leave it alone and notate the number for later use- Leave PORT NUMBER (UDP) and TIME INTERVAL as is
Finalize Configuration
- Turn the CNC Control off then back on to apply changes
Enable Parameter Write
- Put control in MDI mode
- Press OFFSET/SETTING (i.e. OFS/SET) button until you see the "SETTING (HANDY)" page
If you do not see the "SETTING (HANDY)" page, either press the SETTING softkey or press OFFSET/SETTING until you do see it- Set PARAMETER WRITE (PWE) to "1"
Notate or take a picture of any settings before making changes
- Put in MDI mode
- Press SYSTEM button
- Press the right arrow soft key until you see ETHPRM on the softkeys
- Press ETHPRM
- Confirm AVAILABLE ETHERNET is "EMBEDDED PORT"
- If not, press SWITCH, then EXEC, then far left softkey to go back
- Press EMBEDD
- On page 1, set the following settings:
To enter a value, type the value, then press INPUT button- Set IP ADDRESS with your static IP address
- Set SUBNET MASK with your subnet mask
- Set ROUTER IP ADDRESS with your gateway
- On page 2 or 3, set the following settings:
To enter a value, type the value, then press INPUT button- Set PORT NUMBER(TCP) to 8193
Disable Parameter Write
- Press OFFSET/SETTING (i.e. OFS/SET) button until you see the "SETTING (HANDY)" page
If you do not see the "SETTING (HANDY)" page, either press the SETTING softkey or press OFFSET/SETTING until you do see it- Set PARAMETER WRITE (PWE) to "0"
Finalize Configuration
- Turn the CNC Control off then back on to apply changes