B&B Electronics MESR321_SL_ML - Manual - Manual (Page 40)

Setup and Connections Vlinx MESR321 Modbus Gateway
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MESR321-xx_R001_2113m
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2.
Method 2: Change the Modbus Gateway’s network settings to match your PC
using Console Mode
a. Connect a null modem serial cable (crossover cable) from Port 1 on
the Modbus Gateway to an available COM port on your PC.
b.
Enter Console Mode. Press and hold the Modbus Gateway’s Mode
switch for 2 to 10 seconds. Release the reset button. The READY LED
will blink for five seconds. This indicates that the Modbus Gateway is
re-booting in Console Mode.
c. When the Modbus Gateway has successfully restarted in Console
Mode, the READY LED will be OFF and the PORT 1 LED will be ON.
d. Open the Vlinx Modbus
Manager Software and select “Serial Port” as
the method to connect to the Modbus Gateway.
e. After logging in, click on <Network>.
f. Un- check the box next to “I Want DHCP to setup the Network.”
g. Re- configure the Modbus Gateway’s network settings to something
within the range of your PC’s network settings. For example:
PC Network Settings
IP Address = 192.168.0.1
Subnet Mask = 255.255.0.0
Default Gateway = 192.168.0.100
Change the Modbus Gateway’s network settings to:
IP Address = 192.168.0.50
Subnet Mask = 255.255.0.0
Default Gateway = 192.168.0.100
h. Save the settings and remove power from the Modbus Gateway.
i. Re-apply power. Open the Vlinx Modbus Manager Software and select
“Network” as the method to connect to the device.
Configuring the MESR321 via the Serial Port (Console Mode)