MOXA MGate MB3660 Series
8 and 16-port redundant Modbus gateways
- Supports Auto Device Routing for easy configuration
- Supports route by TCP port or IP address for flexible deployment
- Innovative Command Learning for improving system performance
- Supports agent mode for high performance through active and parallel polling of serial devices
- Supports Modbus serial master to Modbus serial slave communications
- 2 Ethernet ports with the same IP or dual IP addresses for network redundancy
- microSD card for configuration backup/duplication and event logs
- Accessed by up to 256 Modbus TCP clients
- Connects up to Modbus 128 TCP servers
- RJ45 serial interface (for “-J” models)
- Serial port with 2 kV isolation protection (for “-I” models)
- Dual VDC or VAC power inputs with wide power input range
- Embedded traffic monitoring/diagnostic information for easy troubleshooting
- Status monitoring and fault protection for easy maintenance
The MGate MB3660 (MB3660-8 and MB3660-16) series gateways are redundant Modbus gateways that convert between the Modbus TCP and Modbus RTU/ASCII protocols. They can be accessed by up to 256 TCP master/client devices, or connect to 128 TCP slave/server devices. The MGate MB3660 series isolation model provides 2 kV isolation protection suitable for power substation applications. The MGate MB3660 gateways are designed to easily integrate Modbus TCP and RTU/ASCII networks. The MGate MB3660 series gateways offer features that make network integration easy, customizable, and compatible with almost any Modbus network. For large-scale Modbus deployments, MGate MB3660 gateways can effectively connect a large number of Modbus nodes to the same network. The MB3660 series can physically manage up to 248 serial slave nodes for 8-port models or 496 serial slave nodes for 16-port models (the Modbus standard only defines Modbus IDs from 1 to 247). Each RS-232/422/485 serial port can be configured individually for Modbus RTU or Modbus ASCII operation and for different baudrates, allowing both types of networks to be integrated with Modbus TCP through one Modbus gateway.
High Performance with Innovative Command Learning
The MGate MB3660 series gateways support two communication modes: transparent mode and agent mode. For transparent mode, the gateway converts Modbus commands from Modbus TCP to Modbus RTU/ASCII, and vice versa, or from serial (Master) to serial (Slave). However, since only one Modbus protocol request-response action can be executed at any given time, each Modbus device has to wait its turn, resulting in poorer performance. Agent mode is designed to overcome this performance weakness. By allowing users to manually key in Modbus commands, the gateway can send Modbus commands to multiple Modbus devices at the same time. Since the gateway actively and continuously retrieves data from Modbus devices simultaneously through the different serial ports, users will see a dramatic reduction in the amount of time a Modbus device needs to wait to be accessed. SCADA systems can retrieve Modbus device data directly from the gateway’s memory, instead of waiting for the gateway to pass commands to the serial ports, enhancing the Modbus gateway’s communication performance. Transparent mode helps users adopt existing SCADA programs, but with reduced communication performance, whereas agent mode is characterized by high performance, but requires users to go through the trouble of keying in Modbus commands. In order to provide better performance, without requiring users to key in a lot of Modbus commands, the MGate MB3660 series gateways are designed with an innovative Command Learning function, which can be activated with a single mouse click. Once activated, the gateway will learn and remember the Modbus commands it receives, and once a command has been learned, the gateway will act as though it were in agent mode, and actively send Modbus requests to the relevant Modbus devices. Since the data is saved in a different memory space that can be accessed by the SCADA system, the SCADA system can retrieve Modbus response data directly from the gateway’s memory, instead of waiting for the data to pass through the Modbus devices, dramatically increasing communication performance. (For more details about the innovative command learning, check here.)
Auto-Device Routing for Easy Configuration (Patent Pending)
Moxa’s Auto-Device Routing function helps eliminate many of the problems and inconveniences encountered by engineers who need to configure large numbers of Modbus devices. A single mouse click is all that’s required to set up a slave ID routing table and configure Modbus gateways to automatically detect Modbus requests from a supervisory control and data acquisition (SCADA) system. By removing the need to manually create the slave ID routing table, the Auto-Device Routing function saves engineers significant time and cost.
Modbus Gateway with Power and Ethernet Redundancy
For a complicated Modbus system, redundancy is extremely important. The MGate MB3660 Modbus gateways support redundancy for both the power input and Ethernet connection. The MGate MB3660 gateways come with dual AC or DC power inputs built in for power redundancy, and have dual Ethernet ports (with different IPs) for network redundancy. To accommodate different types of applications, the dual Ethernet ports can be configured in one of two ways:
High Performance with Innovative Command Learning
The MGate MB3660 series gateways support two communication modes: transparent mode and agent mode. For transparent mode, the gateway converts Modbus commands from Modbus TCP to Modbus RTU/ASCII, and vice versa, or from serial (Master) to serial (Slave). However, since only one Modbus protocol request-response action can be executed at any given time, each Modbus device has to wait its turn, resulting in poorer performance. Agent mode is designed to overcome this performance weakness. By allowing users to manually key in Modbus commands, the gateway can send Modbus commands to multiple Modbus devices at the same time. Since the gateway actively and continuously retrieves data from Modbus devices simultaneously through the different serial ports, users will see a dramatic reduction in the amount of time a Modbus device needs to wait to be accessed. SCADA systems can retrieve Modbus device data directly from the gateway’s memory, instead of waiting for the gateway to pass commands to the serial ports, enhancing the Modbus gateway’s communication performance. Transparent mode helps users adopt existing SCADA programs, but with reduced communication performance, whereas agent mode is characterized by high performance, but requires users to go through the trouble of keying in Modbus commands. In order to provide better performance, without requiring users to key in a lot of Modbus commands, the MGate MB3660 series gateways are designed with an innovative Command Learning function, which can be activated with a single mouse click. Once activated, the gateway will learn and remember the Modbus commands it receives, and once a command has been learned, the gateway will act as though it were in agent mode, and actively send Modbus requests to the relevant Modbus devices. Since the data is saved in a different memory space that can be accessed by the SCADA system, the SCADA system can retrieve Modbus response data directly from the gateway’s memory, instead of waiting for the data to pass through the Modbus devices, dramatically increasing communication performance. (For more details about the innovative command learning, check here.)
Auto-Device Routing for Easy Configuration (Patent Pending)
Moxa’s Auto-Device Routing function helps eliminate many of the problems and inconveniences encountered by engineers who need to configure large numbers of Modbus devices. A single mouse click is all that’s required to set up a slave ID routing table and configure Modbus gateways to automatically detect Modbus requests from a supervisory control and data acquisition (SCADA) system. By removing the need to manually create the slave ID routing table, the Auto-Device Routing function saves engineers significant time and cost.
Modbus Gateway with Power and Ethernet Redundancy
For a complicated Modbus system, redundancy is extremely important. The MGate MB3660 Modbus gateways support redundancy for both the power input and Ethernet connection. The MGate MB3660 gateways come with dual AC or DC power inputs built in for power redundancy, and have dual Ethernet ports (with different IPs) for network redundancy. To accommodate different types of applications, the dual Ethernet ports can be configured in one of two ways:
- Use the same IP for both Ethernet ports. In this case, the MGate MB3660 gateway will automatically switch to the backup LAN when the main LAN fails.
- Use different IP addresses for each of the two Ethernet ports. In this case, Modbus clients/masters can use both Ethernet ports to communicate with Modbus RTU/ASCII slave devices at the same time.
Specifications
Package Contents
Ordering Information
- Ethernet Interface
- 10/100BaseT(X) Ports (RJ45 connector)
2 IP addresses
Auto MDI/MDI-X connection
Ethernet Software Features
- Industrial Protocols
Modbus TCP Client (Master), Modbus TCP Server (Slave)
Configuration Options
Web Console (HTTP/HTTPS), Device Search Utility (DSU), MCC Tool, Telnet Console
Management
ARP, DHCP Client, DNS, HTTP, HTTPS, SMTP, SNMP Trap, SNMPv1/v2c/v3, TCP/IP, Telnet, UDP, NTP Client, RADIUS
MIB
RFC1213, RFC1317
Time Management
NTP Client
Security Functions
- Authentication
Local database
RADIUS
Encryption
HTTPS, AES-128, AES-256, SHA-256
Security Protocols
SNMPv3
HTTPS (TLS 1.2)
Serial Interface
- Console Port
RS-232 (TxD, RxD, GND), 8-pin RJ45 (115200, n, 8, 1)
No. of Ports
MGate MB3660-8 Series: 8
MGate MB3660-16 Series: 16
Serial Standards
RS-232/422/485 (software selectable)
Connector
MGate MB3660-8/16: DB9 male
MGate MB3660-8/16-J: RJ45
Baudrate
50 bps to 921.6 kbps
Data Bits
7, 8
Parity
None, Even, Odd, Space, Mark
Stop Bits
1, 2
Flow Control
RTS/CTS, DTR/DSR, RTS Toggle (RS-232 only)
RS-485 Data Direction Control
ADDC® (automatic data direction control)
Pull High/Low Resistor for RS-485
1 kilo-ohm, 150 kilo-ohms
Terminator for RS-485
120 ohms
Isolation
2 kV (I models)
Serial Signals
- RS-232
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
Data+, Data-, GND
RS-485-4w
Tx+, Tx-, Rx+, Rx-, GND
Serial Software Features
- Industrial Protocols
Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave
Configuration Options
Serial Console
Modbus RTU/ASCII
- Mode
Master, Slave
Functions Supported
1, 2, 3, 4, 5, 6, 15, 16, 23
Max. No. of Commands
256 per serial port
Memory Size
65535 bytes
Modbus TCP
- Mode
Client (Master), Server (Slave)
Max. No. of Client Connections
256
Max. No. of Server Connections
128
Functions Supported
1, 2, 3, 4, 5, 6, 15, 16, 23
Max. No. of Commands
256
Memory Size
65535 bytes
Modbus (Transparent)
- Max. No. of Client Connections
256
Max. No. of Server Connections
128
Power Parameters
- Input Voltage
All models: Redundant dual inputs
AC models: 100 to 240 VAC (50/60 Hz)
DC models: 20 to 60 VDC (1.5 kV isolation)
No. of Power Inputs
2
Power Connector
Terminal block (for DC models)
Power Consumption
MGate MB3660-8-2AC: 109 mA @ 110 VAC
MGate MB3660I-8-2AC: 310 mA @ 110 VAC
MGate MB3660-8-J-2AC: 235 mA @ 110 VAC
MGate MB3660-8-2DC: 312 mA @ 24 VDC
MGate MB3660-16-2AC: 141 mA @ 110 VAC
MGate MB3660I-16-2AC: 310 mA @ 110 VAC
MGate MB3660-16-J-2AC: 235 mA @ 110 VAC
MGate MB3660-16-2DC: 494 mA @ 24 VDC
Relays
- Contact Current Rating
Resistive load: 2 A @ 30 VDC
Physical Characteristics
- Housing
Metal
IP Rating
IP30
Dimensions (with ears)
480 x 45 x 198 mm (18.90 x 1.77 x 7.80 in)
Dimensions (without ears)
440 x 45 x 198 mm (17.32 x 1.77 x 7.80 in)
Weight
MGate MB3660-8-2AC: 2731 g (6.02 lb)
MGate MB3660-8-2DC: 2684 g (5.92 lb) MGate MB3660-8-J-2AC: 2600 g (5.73 lb)
MGate MB3660-16-2AC: 2830 g (6.24 lb)
MGate MB3660-16-2DC: 2780 g (6.13 lb)
MGate MB3660-16-J-2AC: 2670 g (5.89 lb)
MGate MB3660I-8-2AC: 2753 g (6.07 lb)
MGate MB3660I-16-2AC: 2820 g (6.22 lb)
Environmental Limits
- Operating Temperature
0 to 60°C (32 to 140°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative
Humidity 5 to 95% (non-condensing)
Standards and Certifications
- Safety
MGate MB3660-8-2AC/16-2AC/8-2DC/16-2DC: IEC 62368-1, UL 62368-1
MGate MB3660I-8-2AC/16-2AC: IEC 62368-1, UL 62368-1
MGate MB3660-8-J-2AC/16-J-2AC: UL 60950-1
EMC
MGate MB3660-8-2AC/16-2AC/8-2DC/16-2DC: EN 55032/35
MGate MB3660I-8-2AC/16-2AC: EN 55032/35
MGate MB3660-8-J-2AC/16-J-2AC: EN 55032/24
EMI
CISPR 32, FCC Part 15B Class A
EMS
IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m
IEC 61000-4-4 EFT: Power: 1 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
IEC 61000-4-6 CS: 10 V
IEC 61000-4-8 PFMF
Freefall
IEC 60068-2-31
Shock
IEC 60068-2-27
Vibration
IEC 60068-2-6, IEC 60068-2-64
MTBF
- Time
MGate MB3660-8-2AC: 721,988 hrs
MGate MB3660-8-2DC: 711,978 hrs
MGate MB3660-8-J-2AC: 616,505 hrs
MGate MB3660-16-2AC: 495,416 hrs
MGate MB3660-16-2DC: 490,684 hrs
MGate MB3660-16-J-2AC: 437,337 hrs
MGate MB3660I-8-2AC: 429,807 hrs
MGate MB3660I-16-2AC: 256,208 hrs
Standards
Telcordia SR332
Package Contents
- Device
- 1 x MGate MB3660 Series gateway
Power Supply
- 1 x power cord, suitable for your region
Cable
- 1 x RJ45-to-DB9 console cable
Installation Kit
- 1 x wall-mounting kit
Documentation
- 1 x quick installation guide
1 x warranty card
Ordering Information
Model Name | No. of Serial Ports | Serial Connector | Serial Isolation | Input Voltage |
---|---|---|---|---|
MGate MB3660-8-2DC | 8 | DB9 male | – | 20-60 VDC (1.5 kV isolation) |
MGate MB3660-16-2DC | 16 | DB9 male | – | 20-60 VDC (1.5 kV isolation) |
MGate MB3660-8-2AC | 8 | DB9 male | – | 100-240 VAC (47-63 Hz |
MGate MB3660-16-2AC | 16 | DB9 male | – | 100-240 VAC (47-63 Hz |
MGate MB3660I-8-2AC | 8 | DB9 male | 2 kV | 100-240 VAC (47-63 Hz |
MGate MB3660I-16-2AC | 16 | DB9 male | 2 kV | 100-240 VAC (47-63 Hz |
MGate MB3660-8-J-2AC | 8 | RJ45 | – | 100-240 VAC (47-63 Hz |
MGate MB3660-16-J-2AC | 16 | RJ45 | – | 100-240 VAC (47-63 Hz |
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