MGate MB3280 Quick Installation Guide Version 4.1, October 2019 Technical Support Contact Information www.moxa.com/support Moxa Americas: Toll-free: 1-888-669-2872 Tel: 1-714-528-6777 Fax: 1-714-528-6778 Moxa China (Shanghai office): Toll-free: 800-820-5036 Tel: +86-21-5258-9955 Fax: +86-21-5258-5505 Moxa Europe: Tel: +49-89-3 70 03 99-0 Fax: +49-89-3 70 03 99-99 Moxa Asia-Pacific: Tel: +886-2-8919-1230 Fax: +886-2-8919-1231 Moxa India: Tel: +91-80-4172-9088 Fax: +91-80-4132-1045 2019 Moxa Inc.
Overview The MGate MB3280 is a 2-port Modbus gateway that converts between Modbus TCP and Modbus ASCII/RTU protocols. It can be used to allow Ethernet masters to control serial slaves, or to allow serial masters to control Ethernet slaves. Up to 16 TCP masters and 62 serial slaves can be connected simultaneously.
Hardware Introduction As shown in the following figures, the MGate MB3280 has two DB9 male ports for transmitting serial data. Reset Button—The reset button is used to load factory defaults. Using a pointed object such as a straightened paper clip to hold the reset button down for five seconds. Release the reset button when the Ready LED stops blinking in order to load the factory defaults.
Hardware Installation Procedure STEP 1: After unpacking the MGate MB3280, connect the power adapter. Make sure that the adapter is connected to an earthed socket outlet. STEP 2: Use a standard straight-through Ethernet cable to connect the MGate MB3280 to a network hub or switch. Use a cross-over Ethernet cable if you are connecting the gateway directly to a PC. STEP 3: Connect your device(s) to the MGate MB3280’s serial port. STEP 4: Place or mount the MGate MB3280.
Pull High/low Resistors for the RS-485 Port 1 Pull High 1 KΩ 150 KΩ SW Default ON OFF 2 Pull Low 1 KΩ 150 KΩ 3 Terminator 120 Ω – Software Installation You can download the MGate Manager, User's Manual, and Device Search Utility (DSU) from Moxa's website: www.moxa.com. Please refer to the User’s Manual for additional details on using the MGate Manager and DSU. The MGate MB3280 also supports login via a web browser. Default IP address: 192.168.127.
