MGate MB3170/MB3270 Quick Installation Guide Version 8.1, November 2019 Technical Support Contact Information www.moxa.
Overview The MGate MB3170 and MB3270 are 1 and 2-port advanced Modbus gateways that convert between Modbus TCP and Modbus ASCII/RTU protocols. They can be used to allow Ethernet masters to control serial slaves, or to allow serial masters to control Ethernet slaves. Up to 32 TCP masters and slaves can be connected simultaneously. The MGate MB3170 and MB3270 can connect up to 31 or 62 Modbus RTU/ASCII slaves, respectively.
Reset Button Press the Reset button continuously for 5 sec to load factory defaults: The reset button is used to load factory defaults. Use 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. Panel Layouts The MGate MB3170 has a male DB9 port and a terminal block for connecting to serial devices. The MGate MB3270 has two DB9 connectors for connecting to serial devices.
Hardware Installation Procedure STEP 1: After removing the MGate MB3170/3270 from the box, connect the MGate MB3170/3270 to a network. Use a standard straight-through Ethernet (fiber) cable to connect the unit to a hub or switch. When setting up or testing the MGate MB3170/3270, you might find it convenient to connect directly to your computer’s Ethernet port. In this case, use a crossover Ethernet cable. STEP 2: Connect the serial port(s) of the MGate MB3170/3270 to a serial device.
The MGate MB3170/3270 also supports login via a web browser. Default IP address: 192.168.127.254 Default account: admin Default password: moxa Pin Assignments Ethernet Port (RJ45) Pin 1 2 3 6 Signal Tx+ TxRx+ Rx- Serial Port (DB9 Male) Pin RS-232 1 2 3 4 5 6 7 8 9 DCD RxD TxD DTR GND DSR RTS CTS – RS-422/ RS-485 (2W) RS-485 (4W) TxD– TxD+ – RxD+ Data+ RxDDataGND GND – – – – – – – – NOTE For the MB3170 Series, the DB9 male port can only be used for RS-232.
Optical Fiber Interface 100BaseFX Multi-mode Single-mode 50/125 μm Fiber Cable Type OM1 G.
This device complies with Part 15 of the FCC rules. Operation is subject to the following conditions: 1. 2. This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation. ATEX and IECEx Information MB3170/3270 Series 1. 2. 3. 4. 5. Certificate number: DEMKO 18 ATEX 2168X IECEx number: IECEx UL 18.