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Home › Products › MAX Series › WT460M
MAX Series
Reliable dual-network connectivity with advanced data logging — designed for OEMs, engineered for harsh environments and built for continuous operation.
FAIL OVER|DUAL SERVER|edge|LOCAL MONITORING
35,000
Logs per Server(Single Server Mode)
17,500
Logs per Server(Dual Server Mode)
64
Max Slaves(RS485 + TCP Combined)
3,000
Registers(Dynamic Read)
-30°C to +85°C
Wide Temp. Operation
12 – 24V DC
Wide Voltage Input
DIN / Wall Mount
Flexible Installation


The terminal maps of the DIN-rail and wall-mount housings are in the catalogue; the dimension drawings are on this page.
Configuration software, device manuals, user guides, chat support, order tracking and more. Login to Client Portal for secure access.
Login to Client PortalRugged & Reliable
Industrial Grade
OEM Ready
Long Term Support
RS-485 + Modbus TCP
Field meters on RS-485 and Modbus TCP devices on the LAN, read in one cycle.
Failover Mode
Ethernet first; if it drops, nothing is lost and 4G takes over.
Slave Mode to HMI
A local HMI or SCADA reads the gateway’s readings directly over the LAN.
GSM / LTE Band Support
| Network Type | Region | Bands |
|---|---|---|
| LTE FDD (4G) | Asia | B1 / B3 / B5 / B8 |
| LTE FDD (4G) | Europe | B1 / B3 / B5 / B7 / B8 / B20 / B28 |
| LTE TDD (4G) | Asia | B34 / B38 / B39 / B40 / B41 |
| LTE TDD (4G) | Europe | B38 / B40 / B41 |
| GSM (2G) | Asia | B3 / B8 |
| GSM (2G) | Europe | B2 / B3 / B5 / B8 |
Specifications
| Ethernet | |
|---|---|
| Interface | RJ45 – 10BASE-T / 100BASE-TX (Auto) |
| Speed | 10/100 Mbps, Half/Full Duplex (Auto Negotiation) |
| TCP/IP Protocols | TCP, UDP, ICMP, IPv4, ARP, IGMP |
| Modbus Protocol | Modbus RTU Master, TCP Modbus Master |
| Configuration | PC program over USB-C, SMS, server commands |
| Serial | |
|---|---|
| Interface | RS232 / RS485 |
| Baud Rates | 2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 115200 bps |
| Data Bits | 8 bits |
| Parity | None / Even / Odd |
| Stop Bits | 1 / 2 |
General Specifications
| Terminals | 12, pluggable (2 Power / 2 Modbus / 8 IO) |
| DIN Rail (L×W×H) | 113.65 × 99 × 22.6 mm |
| Weight | 130 g |
| Operating Voltage | 12–24 V DC |
| Temperature | -30 °C to +85 °C |
General Communication
| TX Protocol | TCP / HTTP / MQTT, chosen per server |
| TLS | Both servers over 4G · the primary over Ethernet |
| HTTP Methods | Configurable GET / POST |
| Format | Configurable JSON / CSV |
| Device Config | SMS / PC program (USB-C) / Server Commands |
| RS485 Modes | Transparent / Modbus Polling (RS232 optional) |
| Firmware | Updated over the air — no site visit |
| Modbus Slave | A local SCADA or HMI reads it over TCP or RS-485 |


All dimensions are in mm.
Pin Configuration
| DIN | FM | Section | Label | Type | Purpose |
|---|---|---|---|---|---|
| 1 | 1 | Power | +12V | Input | DC Power +12V to +24V |
| 2 | 2 | Power | GND | Input | Power Ground |
| 3 | 3 | COM | D+/Rx | Comm | RS-485 D+ / RS-232 Rx |
| 4 | 4 | COM | D−/Tx | Comm | RS-485 D− / RS-232 Tx |
| 5 | 8 | 4–20 mA | AI- | Analog | Current Input – |
| 6 | 7 | 4–20 mA | AI+ | Analog | Current Input + |
| 7 | 6 | ADI | ADI-2 | Analog/Digital | Configurable Input |
| 8 | 5 | ADI | ADI-1 | Analog/Digital | Configurable Input |
| 9 | 11 | Relay | NO | Output | Normally Open Contact |
| 10 | 12 | Relay | COM | Output | Relay Common |
| 11 | 9 | DI | DI3 | Digital / Pulse | Digital Input |
| 12 | 10 | DI | DI4 | Digital / Pulse | Digital Input |
Interfaces
Power Supply
12–24 V DC (Reverse Polarity Protection)
Analog / Dig. In
2× (0–24 V) Analog/Digital Voltage Input
Digital Input
2× (0–24 V) Pure Digital Input
Current Input
1× (4–20 mA) Current Input
Relay Output
1× Relay Output
LED Indicators
Power / GSM / Modbus Status
RS485 Port
Multiple Modbus Slave Device Connection
USB Port
Type-C – PC Utility Configuration
Antenna
External GSM Antenna (SMA)
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OEM / White-Label Ready
Your brand. Our technology.
Quality Assured
Every unit tested before it ships.
Designed & Built in India
Engineering excellence with global standards.