KPM204 MODBUS gateway

KPM204 Modbus gateway is an important part of the intelligent distribution automation system to complete the power distribution room microcomputer protection,automatic devices,monitoring and other intelligent devices and computer systems,power grid automation system to achieve the exchange of information between the far station information to the host exchange and network exchange,thus forming a fully decentralized RTU and MQTT communication system.

KPM204 is with 4 RS485 port and 2 RJ45 port. Optional WIFI, GPRS, 4G wireless connection method.

Features

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.

Record Function

Communication interface:
Downlink: MODBUS protocol, 4 RS485 port, 1 RS232 port, built-in ESD protection.
Uplink:
2*10M/100M internet with RJ45 interface.
1 USB interface, 1 SIM card interface, 1 antenna interface
Optional WIFI, radio frequency 850/900/1800/1900MHz (2G/3G/4G).

Optional function:

4 digital input, dry contact input.
4 relay output, max drive current 200mA.
4 analog input, support 0-5VDC and 4-20mA.
Power supply 9-35VDC, 12VDC/3A or 24VDC/1.5A.

Record Function

Mechanical properties:
Metal shell, DIN rail mounted
135mm * 110mm * 42mm
Operating temperature: -40~85℃
IP63

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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