KPM204 MODBUS Gateway

As a key component of intelligent power distribution automation systems, the KPM204 Modbus gateway facilitates information exchange between intelligent devices in the distribution room, computer platforms, and the grid automation system. The gateway supports remote site data transmission and host computer network communication, establishing a fully distributed RTU and MQTT communication architecture.

Features

Support Modbus RTU and Modbus TCP/IP data reading, support IEC104, MODBUS TCP/IP, MQTT, OPC UA, UPC DA, etc. data forwarding protocols.
Support 4g/ethernet communication to server
4 RS485 serial port and 2 RS232 serial port, 1 USB port, 1 SIM card slot, 1 LAN 1 WAN port.
Data storage and resume sending function when the network is down.Owned development team, support customized protocol development or new protocol development.

Functions of KPM204 MODBUS Gateway

Modbus gateway Hardware:
NUC 970 CPU
Built in 64M DDR2, WDT, RTC, etc.
128M NAND Flash (support 128M/256M/512M)
Supports PRNG/DES/3DES/AES/SHA/HMAC encryption with up to 256-bit encryption mode.

KPM204 MODBUS Gateway

KPM204 MODBUS Gateway Technical Specification

Function type
Working power	Rated voltage	DC 9-48V
Working power	Power consumption	<3VA
Capacity index	Network interface	2 * 10/100M RJ45 interface
	Serial port	4 * RS485 port
	Communication master station protocols	<16/pc
	Serial port rate	300bps to 38.4kbps, programmable
	Transmission mode	Full or half duplex
Performance index	Dual machine switching time	<5s
	MTBF	>50000h
	Status indication	Panel LED, reflecting the serial port data transmission and reception status
Protocol	Standard protocol	IEC60870-5-101/103/104, MODBUS, CDT
Protocol	Special protocol	DNP3.0 and other over 30 protocols, can be developed according to on-site needs
EMC	Fast pulse group immunity	IEC61000-4-5, level 3
	Surge immunity	IEC61000-4-2, level 3
	Electrostatic immunity	IEC61000-4-4, level 3
Working environment	Ambient temperature	-25℃~+70℃
	Relative temperature	5%~95%, no condensation
	Storage temperature	-30℃~+75℃
Mounting size	Mounting type	DIN rail / Wall mounted
Mounting size	Size L×W×H	135mm×110mm×50mm

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