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MGate MB3170 and MB3170I
Quick Installation Guide
Fourth Edition, July 2012
1. Overview
The MGate MB3170 and MB3170I are 1-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 16 TCP
masters and 31 serial slaves can be connected simultaneously.
2. Package Checklist
Before installing the MGate MB3170 or MB3170I, verify that the
package contains the following items:
MGate MB3170 or MB3170I Modbus gateway
Document & Software CD
MGate MB3170 and MB3170 Quick Installation Guide
Product Warranty Statement
Please notify your sales representative if any of the above items is missing
or damaged.
3. Hardware Introduction
LED Indicators
Name
Color
Function
PWR1
Red
Power is being supplied to the power input
PWR2
Red
Power is being supplied to the power input
RDY
Red
(steady) Power is on and the unit is booting up
(blinking) IP conflict, DHCP or BOOTP server did
not respond properly, or a relay output occurred
Green
(steady) Power is on and the unit is functioning
normally
(blinking) Unit is responding to Locate function
Off
Power is off or power error condition exists
Ethernet
Orange 10 Mbps Ethernet connection
Green 100 Mbps Ethernet connection
Off
Ethernet cable is disconnected or has a short
P1
Orange Serial port is receiving data
Green Serial port is transmitting data
Off
Serial port is not transmitting or receiving data
The MGate MB3170 and MB3170I each provide a male DB9 port and a
terminal block to connect to serial devices.
Reset Button
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.
4. Hardware Installation Procedure
STEP 1
: Use a standard straight-through Ethernet cable to connect the
unit to a network hub or switch.
STEP 2
: Connect your device to the unit's serial port.
STEP 3
: Mount the unit on a DIN-rail.
STEP 4
: Connect the power source to power input.
5. Software Installation Information
To install MGate Manager, insert the MGate Document & Software CD
into your PC’s CD-ROM drive. Once the installation window opens, click
the Installation button and follow the onscreen instructions. For more
detailed information about MGate Manager, click the Documents button
and select the MGate MB3000 User’s Manual.
6. Pin Assignments
Ethernet Port (RJ45)
Pin
Signal
1
Tx+
2
Tx-
3
Rx+
6
Rx-
Serial Port (Male DB9)
Pin RS-232
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
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