M140E
8DI + 8DO Remote I/O Acquisition Module
The BLIIoT M140E is designed for industrial automation and remote data acquisition, featuring a 32-bit MCU, dual 10/100M Ethernet ports and an RS485 interface. It supports Modbus TCP (master/slave), Modbus RTU over TCP and MQTT protocols, enabling seamless integration with SCADA systems, PLCs and IoT platforms.
Power
| Input voltage | Models without AO: 9~36VDC Models with AO: 24~36VDC |
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| Power consumption | Typical standby power consumption: ≤ 2W |
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| Power Output | 1 channel Output voltage: 9～36V DC(Equal to the input voltage) Output current: 1500mA@12V(MAX) |
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Ethernet
| Specification | 2 x RJ45, 10M/100Mbps |
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| Protocol | Modbus RTU, Modbus TCP, MQTT |
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Serial port
| Quantity | 1 x RS485 |
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| Baud Rate | 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 128000 |
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| Protocol | Modbus RTU(slave), Modbus RTU(master) |
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Digital input
| Quantity | 8 channels |
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| Type | Support Wet contact(NPN, PNP) and Dry contact. Default: Wet contact |
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Digital output
| Quantity | 8 channels |
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| Type | SINK |
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Software
| Protocols | IPV4, TCP/UDP, DNS, Modbus RTU, Modbus TCP, MQTT |
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| Protocol conversion | Support Modbus TCP and RTU protocol conversion Support Modbus RTU to MQTT and Modbus TCP to MQTT |
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Environment
| Working | -20～70°C, 5～95%RH |
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| Storage | -40～85°C, 5～95%RH |
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Others
| Case | Metal |
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| Dimension | 82mm×40mm×100mm |
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| Protection grade | IP30 |
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| Net Weight | 350g |
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| Installation | DIN rail mounted , Wall-mounted |
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Supply information
| Manufacturer | BLIIoT — Beilai Technology Co., Ltd. |
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| Model code | M140E |
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| Full name | 8DI + 8DO Remote I/O Acquisition Module |
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| Category | Dual-Ethernet I/O modules |
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| Supplied in Korea by | ACUSYS Co., Ltd. · Official BLIIoT distributor in Korea |
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