MGate MB3470-G2

Serial communication device – 4-port advanced serial-to-Ethernet Modbus gateway with 2 RJ45 Ethernet ports, DB9 serial connector, -10 to 60°C operating temperature

Ethernet Interface

• 10/100BaseT(X) Ports (RJ45 connector): 2 (Ethernet cascade or dual subnet configured by software) Auto MDI/MDI-X connection
• Magnetic Isolation Protection: 1.5 kV (built-in)
• Optical Fiber: Read more 100BaseFX Multi-Mode Single-Mode Fiber Cable Type OM1 50/125 µm G.652 800 MHz x km Typical Distance 4 km 5 km 40 km Wavelength Typical (nm) 1300 1310 TX Range (nm) 1260 to 1360 1280 to 1340 RX Range (nm) 1100 to 1600 1100 to 1600 Optical Power TX Range (dBm) -10 to -20 0 to -5 RX Range (dBm) -3 to -32 -3 to -34 Link Budget (dB) 12 29 Dispersion Penalty (dB) 3 1 Note: When connecting a single-mode fiber transceiver, we recommend using an attenuator to prevent damage caused by excessive optical power.Note: Compute the “typical distance” of a specific fiber transceiver as follows: Link budget (dB) > dispersion penalty (dB) + total link loss (dB).

Ethernet Software Features

• Industrial Protocols: Modbus TCP Client Modbus TCP Server
• Configuration Options: Web Console (HTTP/HTTPS) Device Search Utility (DSU) MCC Tool Windows Driver Manager UtilityMXview One SoftwareMXconfig Software
• Management: ARP DHCP Client DNS, HTTPS, ICMP IPv4/IPv6 SMTP SMTPS SNMPv1/v2c/v3 SNTP TCP/IP UDP
• MIB: MIB-II RFC1213, RFC1317
• Time Management: SNTP Client

Security Functions

• Authentication: Local database
• Encryption: AES-128 AES-256 ECC-256 ECC-384 ECC-521 HMAC RSA-1024 RSA-2048 RSA-3072 RSA-4096 SHA-256 SHA-384
• Security Protocols: SNMPv3 HTTPS (TLS 1.2)

Serial Interface

• No. of Ports: MGate MB3170-G2 models: 1MGate MB3270-G2 models: 2MGate MB3470-G2 models: 4
• Connector: MGate MB3170-G2/MB3270-G2/MB3470-G2 models: 1/2/4 x DB9 male MGate MB3270-TB-G2/MB3470-TB-G2 models: 2/4 x 5-pin spring type terminal block
• Serial Standards: RS-232/422/485 (software-selectable)
• Baudrate: 50 bps to 921.6 kbps
• Data Bits: 7, 8
• Parity: None Even Odd Space Mark
• Stop Bits: 1, 2
• Flow Control: DTR/DSR RTS Toggle (RS-232 only) RTS/CTS
• Pull High/Low Resistor for RS-485: 1 kilo-ohm, 150 kilo-ohms (software selectable)
• Terminator for RS-485: 120 ohms (software selectable)
• Isolation: I models: 2 kV
• RS-485 Data Direction Control: ADDC (automatic data direction control)

Serial Signals

• RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND orTxD, RxD, GND (for -TB models)
• 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 Client Modbus RTU/ASCII Server (supported in Agent mode)Proprietary Modbus Serial Client

Modbus (Transparent)

• Max. No. of Client Connections: 32
• Max. No. of Server Connections: 32

Modbus RTU/ASCII (Agent)

• Mode: Client (Master) Server (Slave) Proprietary Serial (client)
• Functions Supported: 1, 2, 3, 4, 5, 6, 15, 16, 23
• Max. No. of Commands: 128/serial port
• No. of Tags: MGate MB3170–G2 models: 150MGate MB3270–G2 models: 300MGate MB3470–G2 models: 600
• Total Tag Size: MGate MB3170–G2 models: 2048 BytesMGate MB3270–G2 models: 3072 BytesMGate MB3470–G2 models: 4096 Bytes

Modbus TCP (Agent)

• Mode: Client (Master) Server (Slave)
• Max. No. of Client Connections: 32
• Max. No. of Server Connections: 32
• Functions Supported: 1, 2, 3, 4, 5, 6, 15, 16, 23
• Max. No. of Commands: 128
• No. of Tags: MGate MB3170–G2 models: 150MGate MB3270–G2 models: 300MGate MB3470–G2 models: 600
• Total Tag Size: MGate MB3170–G2 models: 2048 BytesMGate MB3270–G2 models: 3072 BytesMGate MB3470–G2 models: 4096 Bytes

Power Parameters

• Input Voltage: 12 to 48 VDC
• Input Current: MGate MB3170-G2/MB3270-G2 models: 452 mA @ 12 VDCMGate MB3470-G2 models: 583 mA @ 12 VDC
• Power Connector: 8-pin terminal block

Relays

• Contact Current Rating: Resistive load: 1 A @ 30 VDC

Physical Characteristics

• Housing: Metal
• IP Rating: IP30
• Dimensions (with ears): MGate MB170-G2/MB3270-G2 models: 25 x 89 x 132 mm (0.98 x 3.50 x 5.19 in) MGate MB3470-G2 models: 42 x 89 x 132 mm (1.65 x 3.50 x 5.19 in)
• Dimensions (without DIN-rail mouting kit): MGate MB170-G2/MB3270-G2 models: 25 x 89 x 129 mm (0.98 x 3.50 x 5.08 in) MGate MB3470-G2 models: 42 x 89 x 129 mm (1.65 x 3.50 x 5.08 in)
• Weight: MGate MB3170-G2 models: 338 g (0.75 lb)MGate MB3270-G2 modelss: 393 g (0.87 lb)MGate MB3470-G2 Series: 444 g (0.98 lb)

Environmental Limits

• Operating Temperature: Standard models : -10 to 60°C (14 to 140°F)Wide temp. models: -40 to 75°C (-40 to 167°F)
• Storage Temperature (package included): -40 to 85°C (-40 to 185°F)
• Ambient Relative Humidity: 5 to 95% (non-condensing)

Standards and Certifications

• EMC: EN 61000-6-2/-6-4
• 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 2 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 4 kV; Signal: 4 kV IEC 61000-4-5 Surge: Power: 2 kV, Signal: 1 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF IEC 61000-4-11
• Hazardous Locations: ATEX Class I Division 2 IECEx Note: Certification processes are underway; expected completion by the end of June 2026.
• Maritime: DNV Note: Certification process is underway; expected completion by the end of June 2026
• Safety: EN 62368-1 UL 62368-1
• Vibration: IEC 60068-2-6
• Package Drop Test: ISTA 1A

MTBF

• Time: MGate MB3170-G2 models: 3,238,923 hrsMGate MB3170I-G2 models: 3,156,544 hrsMGate MB3170-S/M-SC-G2/M-ST-G2 models: 2,889,487 hrsMGate MB3170-SFP-G2 models: 3,109,327 hrsMGate MB3270-TB-G2 models: 2,943,248 hrsMGate MB3270-G2 models: 2,931,934 hrsMGate MB3270I-TB-G2 models: 2,809,979 hrsMGate MB3270I-G2 models: 2,799,662 hrsMGate MB3470-TB-G2 models: 2,377,791 hrsMGate MB3470-G2 models: 2,363,042 hrsMGate MB3470I-TB-G2 models: 2,208,607 hrsMGate MB3470I-G2 models: 2,195,874 hrs
• Standards: Telcordia Standard SR-332

Warranty

• Warranty Period: 5 years
• Details: See www.moxa.com/warranty