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
- 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.
- Support Modbus RTU and Modbus TCP/IP data reading, support IEC104, MODBUS TCP/IP, MQTT, OPC UA, UPC DA, etc. data forwarding protocols.
- Owned development team, support customized protocol development or new protocol development.
- Data storage and resume sending function when the network is down.
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
KPM204 MODBUS Gateway Model Selection
KPM204 MODBUS Gateway Technical Tables
| Function type | ||
| Working power | Rated voltage | DC 9-48V |
| 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 |
| 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 |
| Size L×W×H | 135mm×110mm×50mm |
Specification Of KPM204 MODBUS Gateway
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