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Overview
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Specifications
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Downloads
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Overview
Moxa MGate MB3470-G2-T – Advanced 4-Port Modbus Gateway with Wide Temperature Range
The MB3470-G2-T enables large-scale Modbus integration across harsh environments.
With four RS-232/422/485 ports, dual Ethernet, and −40 to 75 °C operation, it supports
transparent and agent (poll & cache) modes, dual power inputs, and TLS-secured management.
- High-density connectivity Four RS-232/422/485 ports for multiple Modbus devices
- Flexible networking Dual RJ45 Ethernet ports for cascade or dual-subnet operation
- Wide temperature range −40 to 75 °C operation for industrial field applications
- Security HTTPS (TLS 1.2), SNMPv3, AES/RSA/ECC encryption; IEC 62443-4-1 compliant
- Reliability Dual 12–48 V DC inputs, relay output, IP30 housing, long MTBF reliability
Built for utilities, energy, and transport industries, the MB3470-G2-T delivers reliable,
secure, and scalable Modbus data exchange in extreme industrial conditions.
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Specifications
Technical Specifications
Networking
- 2 × 10/100BaseT(X) RJ45 (auto MDI/MDI-X, 1.5 kV isolation)
- Ethernet cascade or dual-subnet configuration (software-selectable)
Serial Interface
- Ports: 4 (DB9 male)
- RS-232/422/485 (software-selectable)
- Baud 50 bps–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-485: ADDC auto direction; software-selectable 120 Ω termination & 1 kΩ/150 kΩ bias
- Isolation: None (2 kV on “I” variants)
Protocol & Performance
- Modbus TCP Client/Server; Modbus RTU/ASCII Client/Server; Proprietary serial (agent mode)
- Modes: Transparent or Agent (poll & cache)
- Connections: 32 clients & 32 servers; 128 commands; 150 tags / 2048 B tag memory
Management & Security
- Web console (HTTP/HTTPS), Device Search Utility, MXconfig, MXview One
- SNTP client; MIB-II (RFC1213, RFC1317)
- HTTPS (TLS 1.2), SNMPv3; AES-128/256, RSA (1024–4096 bit), ECC-256/384/521, SHA-256/384, HMAC
Power & I/O
- 12–48 V DC dual redundant inputs; ≈ 452 mA @ 12 V DC
- Relay output: 1 A @ 30 V DC (resistive load)
Physical & Environmental
- Metal housing, IP30; DIN-rail or wall mount
- Dimensions: 42 × 89 × 132 mm (with ears) / 42 × 89 × 129 mm (without DIN kit)
- Weight: 444 g
- Operating temperature: −40 to 75 °C; Humidity: 5–95 % non-condensing
Certifications & Reliability
- EN 61000-6-2/-6-4, CISPR 32, IEC 61000-4-2/-3/-4/-5/-6/-8/-11
- EN/UL 62368-1; ATEX, IECEx, Class I Div 2, DNV (pending)
- MTBF: ≈ 2,890,000 hours (Telcordia SR-332); Warranty: 5 years
Ordering
- MB3470-G2-T – 2 × RJ45 Ethernet, 4 × DB9 serial ports, −40 to 75 °C
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Downloads