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Switch Setting
998
999
2.1.1
MD 748i-11-42/L5-2222 - Setting the Rotary Switch
Use the following steps if you want to change the default rotary switch settings.
1. Remove the two Phillips screws securing the switch window.
2. Gently swing open the switch window from the left to the right, allowing it to pivot on the hinge on
the right side.
3. Turn each dial to the appropriate position using a small flathead screwdriver.
Note: If you are using the rotary switch to assign a temporary IP address, you may want to leave the
door open until you use software to set a permanent IP address. After doing so, you can close
and seal the window.
The default setting is 000 as shown above.
The arrow points to the switch location. 0 is located at the 3:00
4. Carefully close the window making sure that it is properly aligned.
5. Reinsert and hand-tighten the two screws making sure that the window is securely sealed.
Note: Failure to reassemble the configuration window properly may compromise IP67 integrity.
2.2
Connecting to the Network
Use the appropriate procedure for your IO-Link Master model.
2.2.1
MD 748I-11-42/L5-2222 - Connecting to the Network
The IO-Link Master provides two Fast Ethernet (10/100BASE-TX), 4-pin female / D-coded M12 connectors.
You can use this procedure to connect the IO-Link Master to the network.
1. Securely connect one end of a shielded twisted-pair (Cat 5 or higher) M12 Ethernet cable to either
Ethernet port.
2. Connect the other end of the cable to the network.
Leuze electronic
Setting the rotary switches to 998 configures the IO-Link Master to use DHCP
addressing.
Use the default IP address. If the IO-Link Master is set to 999 and the IP
address is changed using other methods, the IP address is returned to the
default IP address if the IO-Link Master is rebooted or power cycled.
Pin
Signal
1
Tx+
2
Rx+
3
Tx-
4
Rx-
MD 748i / MD 248i
Node Address
2 Hardware Installation
9
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