MGate MB3270I

Serial communication device – 2-port advanced Modbus gateway with 2 kV isolation, 0 to 60°C operating temperature

Ethernet Interface

• 10/100BaseT(X) Ports (RJ45 connector): 2 (1 IP, Ethernet cascade) 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 (Master) Modbus TCP Server (Slave)
• Configuration Options: Web Console (HTTP/HTTPS) Device Search Utility (DSU) MGate Manager MCC Tool Telnet Console
• Management: ARP DHCP Client DNS HTTP HTTPS SMTP SNMP Trap SNMPv1/v2c/v3 TCP/IP Telnet UDP NTP Client
• MIB: RFC1213, RFC1317
• Time Management: NTP Client

Security Functions

• Authentication: Local database
• Encryption: HTTPS AES-128 AES-256 SHA-256
• Security Protocols: SNMPv3 HTTPS (TLS 1.2)

Serial Interface

• No. of Ports: 2
• Connector: 2 x DB9 male
• 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
• Terminator for RS-485: 120 ohms
• Isolation: 2 kV
• RS-485 Data Direction Control: ADDC (automatic data direction control)

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

Modbus (Transparent)

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

Power Parameters

• Input Voltage: 12 to 48 VDC
• Input Current: 510 mA @ 12 VDC
• Power Connector: 7-pin terminal block

Relays

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

Physical Characteristics

• Housing: Plastic
• IP Rating: IP30
• Dimensions (with ears): 29 x 89.2 x 124.5 mm (1.14 x 3.51 x 4.90 in)
• Dimensions (without ears): 29 x 89.2 x 118.5 mm (1.14 x 3.51 x 4.67 in)
• Weight: 380 g (0.84 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

• EMC: EN 55032/35
• 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: 4 kV; Signal: 2 kV IEC 61000-4-5 Surge: Power: 2 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
• Maritime: DNV
• Freefall: IEC 60068-2-32
• Shock: IEC 60068-2-27
• Vibration: IEC 60068-2-6 IEC 60068-2-64
• Safety: UL 60950-1 IEC 60950-1 EN 62368-1 UL 508

MTBF

• Time: 1,144,837 hrs
• Standards: Telcordia SR332

Warranty

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