Serial To Fiber Converter

Approx. 8,700 / Piece Get Latest Price

Product Brochure
The Model271 Series serial to fiber optic converter is equipped with a multiple interface circuit that can handle RS-232, or RS-422/485 serial interfaces and multi-mode or single- mode fiber. Model271 converters are used to extend serial transmission distance up to 2-5 km (multi-mode fiber) or up to 20-120 km (single- mode fiber). Note that the RS-232 and RS-422/485 interfaces cannot be used on the same Model271 at the same time.

SpecificationRS-232/485/422 Standard: EIA RS-232, RS-485, RS-422Connector: Terminal BlockRS-232 Signals: Tx, Rx, GNGRS-422 Signals: T+, T-, R+, R-RS-485 Signals: T+, T-Baud rate: 0-500kbpsESD Protection: 15KV for all signalsFiber OpticFiber Connector: SC, FC or ST optionalFiber Optic Cable RequirementsSingle-mode: 8.3/125, 8.7/125, 9/125 or 10/125μmMulti-mode: 50/125, 62.5/125, or 100/140μmTransmissionSingle-mode: 20, 25, 40, 60, 80, 100, 120KM optionalMulti-mode: 2, 5KMWavelengthSingle-mode: 1310nmMulti-mode: 850nmTx OutputSingle-mode: >-5dBmMulti-mode: >-5 dBmRx SensitivitySingle-mode: -25dBmMulti-mode: -25dBmPoint-to-Point Transmission: Half-duplex or full-duplexRing Transmission: Half-duplexPhysical CharacteristicsCase: IronDimensions: 100*69*22mmEnvironmentOperating Temperature: -40 to 85 Storage Temperature: -40??? to 85 Relative Humidity: 5 to 95%Power RequirementsInput Voltage: 9-36VDCConsumption: 120mA

Approx. 4,500 / Piece Get Latest Price

Product Brochure
IMF208-2F-8DI(RS-485) is a high performance, unmanaged, redundancy ring RS485 to fiber converter, it used in industry application. It supports point to point two fiber port backup for each other, Fiber line(Ring) transmission, supports 8 channel RS-485(RS-485 adopted 5 bits terminal block) and 2 port 100Base-FX fiber port, meantime, 2 fiber port support redundancy ring function, network fault recovery time???20ms, it can easy and convenience manage the disperse serial device, main engine through serial port, take the intelligent redundancy for your network.
It has high performance exchange engine, low consumption design, 2 different type power supply input and overload current and voltage protection. It special designed for industry high available data communication in power automation, industry automation, transportation, telecommunication area etc.
It supported wall mounting and rack mount installation, easy to use for your project.

SpecificationRS-485Channel of RS-485: 8RS-485 signal: D+???A???,D-(B)Parity: None, Even, Odd, Space, MarkData bits: 5bit, 6bit, 7bit, 8bitStop bits: 1bit, 1.5bit, 2bitBaud rate: 0bps???115200bpsDirection: Automatic detect data control Loading: 32 nodesTransfer distance: 1200mProtection: 1.5KVAC isolationConnection: 5 bit terminal blockConnectorRS-485: 5 bit 5.08mm separation distance terminal blockOptic fiber port: 100Base-FX, SC/FC/ST optionalTransmissionRS-485: 1200mMulti-mode: 1310nm, 2KmSingle mode: 1310nm, 20/40/60Km1550nm, 20/40/60/80/100/120Km

Approx. 7,900 / Piece Get Latest Price

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MODEL277 series are serial-to-fiber modems that convert RS-232/485/422 serial port signal to optical signal. This series include 3 types of optional products and support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port. It adopts wall mounting or DIN-Rail mounting to meet the requirements of different application scenes. This series adopt advanced communication coding and clock recovery technology to avoid data transmission error. And it adopts unique "Zero time delay and automatic forwarding" technology to enhance the anti-interference capability of interface and achieve real zero time delay. It can conduct automatic detection of baud rate, even the baud rate of the device serial signal changes; the converter can still achieve RS-232 or RS-485/422 to optical port conversion. MODEL277 series can be widely used in various industrial control, process control, traffic control, intelligent community and other scenes, especially suitable for bank, power industry, departments and systems with special requirements for electromagnetic interference.

Fiber Interface Number of interfaces: 1 Interface form: optional SC/ST/FC port Transmission distance: ??? Multimode: 2km ??? Single mode: 20/40/60/80/100/120Km Transmission wavelength: ??? Multimode: 1310nm ??? Single mode: 1310nm or 1550nm Serial port Standards: EIA RS-232C, RS-485, RS-422 Number of interfaces: Support 1 RS-232, RS-485/422 or 3IN1 serial port RS-232 signals: OUT, IN, GND RS-485 signals: D+, D-, GND RS-422 signals: T+, T-, GND, R+, RBaud rate: 300bps-115200bps MODEL277 interface form: RS-232/485/422 serial port, adopts 8-pin 5.08mm pitch terminal blocks MODEL277A interface form: RS-232 serial port, DB9 female MODEL277B interface form: RS-485/422 serial port, adopts 5-pin 5.08mm pitch terminal blocks Direction control: RS-485 direction adopts ADDC (Automatic Data Direction Control) technology Load capacity: RS-485/422 end supports 32 points polling environment (customizable 128 points) Transmission distance: RS-232, 15m; RS-485/422, 1200m RS-485 pull high/low resistor: 4.7kΩ Indicator Power supply indicator, fiber port data receiving and alarm indicator, fiber port data sending indicator Power supply MODEL277 ??? Input power supply: 12???48VDC ??? Connection mode: 2-pin 5.08mm pitch terminal blocks MODEL277A, MODEL277B three optional power supply solutions ??? External power supply: 5VDC, adopts DC round head for connection, MODEL277B supports 2.0A overcurrent protection ??? Built-in power supply: -48VDC, adopts 3-pin 5.08mm pitch terminal blocks; 6 220VAC, adopts 3-hole AC socket with switch Environmental Limits MODEL277: ??? Operating temperature: -40???75??? ??? Storage temperature: -40???75??? ??? Relative humidity: 5%~95% (no condensation) MODEL277A, MODEL277B: ??? Operating temperature: -10~60??? ??? Storage temperature: -40???85??? ??? Relative humidity: 5%???95% (no condensation) Mechanical structure Housing: IP30 protection grade, metal shell Installation: wall mounting or DIN-Rail mounting (DIN-Rail accessories should be purchased separately) MODEL277 dimension (W×H×D): 100mm×69mm×22mm MODEL277A, MODEL277B dimension (W×H×D): ??? External power supply: 94mm×70.6mm×26mm ??? Built-in power supply: 173.2mm×115mm×30mm Certification CE, FCC, RoHS Warranty 3 years

Approx. 2,000 / Piece Get Latest Price

Product Brochure
Model : Model232IModel232I is a kind of RS232 system communication serial port optic isolation product. This product support transmission rate as high as 912600bps, no external power needed, optic electric isolation 2500V, is applicable in tough environment. According to different customer need, separately corresponds to three line serial port application with RTS/CTS (or DTR/CTS). Transmission distance at 9,600bps is 10m, stable performance.

Features1. Plug-and-play
2. Port-powered, lowest consumption
3. Auto sense serial signal rate
4. Isolation serial device(RS-232)
5. 2500V isolation
6. 300~912600bps baud rates Specification

Performance parameter
Standard: EIA RS-232 standard
RS-232 signal: TXD,RXD, GND
Working: Asynchronous, point to point
Transfer rate: 300-912600bps,auto sense serial signal rate
Isolate signal: TXD,RXD, GND
Transfer distance: 5m
RS-232 port protection: 600W surge,15KV ESD protection
Isolation: 2500V
Port type: DB9F, DB9M
Environment 
Working environment: 0°C to  70°C 
Storage temperature: -40°C to 85°C 
Relative humidity 5% to 95%
Appearance guideline
L×W×H: 90mm×33mm×16.5mm (DB9)
Shell: Plastic
Color: Black
Weight:30g (DB9)
Warranty: 3 years
Approvals: FCC,CE, RoHS approvals

 

Approx. 9,000 / Piece Get Latest Price

Product Brochure
Introduction

MODEL277 series are serial-to-fiber modems that convert RS-232/485/422 serial port signal to optical signal. This series include 3 types of optional products and support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port. It adopts wall mounting or DIN-Rail mounting to meet the requirements of different application scenes. This series adopt advanced communication coding and clock recovery technology to avoid data transmission error. And it adopts unique "Zero time delay and automatic forwarding" technology to enhance the anti-interference capability of interface and achieve real zero time delay. It can conduct automatic detection of baud rate, even the baud rate of the device serial signal changes; the converter can still achieve RS-232 or RS-485/422 to optical port conversion. MODEL277 series can be widely used in various industrial control, process control, traffic control, intelligent community and other scenes, especially suitable for bank, power industry, departments and systems with special requirements for electromagnetic interference.

Approx. 3,700 / Piece Get Latest Price

IMF204-2F-4DI(RS-485) is a high performance, unmanaged, redundancy ring RS485 to fiber converter, it used in industry application. It supports point to point two fiber port backup for each other, Fiber line(Ring) transmission, supports 4 channel RS-485(RS-485 adopted 5 bits terminal block) and 2 port 100Base-FX fiber port, meantime, 2 fiber port support redundancy ring function, network fault recovery time???20ms, it can easy and convenience manage the disperse serial device, main engine through serial port, take the intelligent redundancy for your network.
It has high performance exchange engine, low consumption design, 3 different type power supply input and overload current and voltage protection. It special designed for industry high available data communication in power automation, industry automation, transportation, telecommunication area etc.
It supported wall mounting and rack mount installation, easy to use for your project.

Features1.Support 4 channel RS-485
2.Support 2 port 100Base-FX Fiber
3.Support dual(single) Ring line, ST/SC/FC optional    
4.Support Redundancy ring, recovery time???20ms
5.Support 0bps~115200bps
6.Support Windows serial driver procedure format
7.Provide Windows configuration tools, easy to use and install
8.Support 3 types power supply input
9.Industry grade design, IP30 protection level
10.No fan, low consumption design
11.Working temperature:-40℃-75℃
12.Storage temperature: -40℃-85℃ SpecificationRS-485
Channel of RS-485: 4
RS-485 signal: D+???A???,D-(B)
Parity: None,Even,Odd,Space,Mark
Data bits: 5bit,6bit,7bit,8bit
Stop bits: 1bit,1.5bit,2bit
Baud rate: 0bps???115200bps
Direction: Automatic detect data control 
Loading: 32 nodes
Transfer distance: 1200m
Protection: 1.5KVAC isolation
Connection: 5 bit terminal block
Connector
RS-485: 5 bit 5.08mm separation distance terminal block
Optic fiber port: 100Base-FX, SC/FC/ST optional
Transmission
RS-485: 1200m
Multi-mode: 1310nm, 2Km
Single mode: 1310nm, 20/40/60Km
1550nm, 20/40/60/80/100/120Km
LED indicator
COM1~COM4 running: COM1~COM4
Device running: RUN
Master/slave statues: M/S
Optic fiber port (PORT1,PORT2) connection statues: LINK1, LINK2
Power supply
Power supply input: 12-48VDCNo-load consumption: 2.76W@24VDCFull-load consumption: 2.928W@24VDCMechanical characteristic
Shell: IP30, metal case
Installation: Wall mount or rack mount
Weight: 597.8g
Dimension(L×W×H): 200mm×120mm×35mm 
Environment
Working temperature: -40℃???75℃
Storage temperature: -40℃???85℃ 
Working humidity: 5%???95%( no condensation)
Standard
Shock: IEC 60068-2-27
Free fall: IEC 60068-2-32
Shake: IEC 60068-2-6 

Approx. 14,000 / Piece Get Latest Price

Model : NP304T-4D(RS-232)NP304T-4D(RS-232) is an high performance, industrial grade serial to Ethernet server, it can satisfy some kinds of customer requirements in consumption, temperature, volume and handle ability. It provides 4 port RS232 (RS-232 connector: RJ45) and 1 port 10/100Base-Tx Ethernet, can focus manage disperse serial device, master through network, easy, convenience. In application, can configure, upgrade through WEB.

Features

1.Support 10/100M Ethernet
2.Support 4 Port RS-232
3.Support WEB and Telnet configuration
4.Support TCP, UDP, ARP, ICMP, DHCP and DNS protocol
5.Support TCP Server, TCP Client, TCP Auto, UDP and 
Real COM driver working mode
6.Support UDP multicast and UDP subnet mode
7.Support heartbeat time and time over disconnect function
8.Support cross-gateway and cross-router communication    
9.Support virtual serial COM port access and Network interruption automatic recovery
10.Provide Windows configuration tools for easy to use, easy to bath install.
11.Industrial grade design, IP30 protection grade
12.No fan, low consumption design
13.Working temperature: -40～85℃

 Specification

Ethernet port
Standard: 10Base-T, 100Base-TX
Protocol: Support TCP, UDP, APR, ICMP and DHCP
Signal: Rx+, Rx-, Tx+, Tx-
Speed: 10/100Mbps
Working: Full-duplex and half duplex
Working mode: Support TCP Server and Client
Transfer distance: 100m
Connector: RJ45
RS-232 port
RS-232 port number: 4
RS-232 signal: DCD, RXD, TXD, DTR, GND, DSR,  RTS, CTS
Parity bit: None, Even, Odd, Space, Mark
Data bit: 5bit, 6bit, 7bit, 8bit
Stop bit: 1bit, 1.5bit, 2bit
Band rate: 300bps～115200bps
Loading: point to point
Transfer distance: no more than 15m
Connector: RJ45
Protection: class 4 static
LED Indicator
Working statue indicator: RUN
Power (PWR)
Ethernet port connection statue (Link)
RS232 port transmit data indicator: TX1~TX4
RS232 port receive data indicator: RX1~RX4
Power supply
Input voltage: 12VDC(9~48VDC)
No-load consumption:1.05W@12VDC
Full-load consumption: 1.16W@12VDC
Environment limits
Working temperature: -40~85℃
Storage temperature: -40~85℃
Relative humidity: 5%~95%（non-condensing）
Mechanical
Shell: IP30 protection, metal shell
Installation: Wall mounting
Weight: 460g
Size (L×W×H): 160mm×95.5mm×28mm
Standard
EMI: EN 55022 Class A, FCC Part 15 Subpart B Class A
EMS: EN 55024,
          EN 61000-4-2 (ESD) Level 3,
          EN 61000-4-3 (RS) Level 3,
          EN 61000-4-4 (EFT) Level 4,
          EN 61000-4-5 (Surge) Level 3,
          EN 61000-4-6 (CS) Level 3,
          EN 61000-4-8,
          EN 61000-4-11
Shock: IEC 60068-2-27
Free fall: IEC 60068-2-32
Vibration: IEC 60068-2-6 

Approx. 6,999 / Piece Get Latest Price

Features 1. Extend RS-232/485/422 transmission up to 120Km with single-mode 2. Transmit asynchronously, point to point, speed reach 500Kbps 3. Examine signal speed automatically, zero delay time 4. Plug-and-Play(hot-pluggable, data format auto-sensing & self-adjusting) 5. Support RS-232/485/422 interface type, but only one RS-232/ RS-485/ RS-422 port can be connected at a given time 6. 9~36VDC power supply input(2 bit terminal block)

Introduction Model277 is one kind can offer RS-232/485/422 serial port carry transparent optic fiber modem of transmission to get end to user, no need patch cords set up, switch over automatically, and can detect and examine the signal speed automatically, zero delays time to transmit automatically. Model277 adopt optic fiber transmit, have isolate protection, data privacy is fine, working steady, data, such threats to communication equipment as the wave is welled up and interfered with electromagnetically that the effective one has prevented the abominable environment from being struck by lightning, can work in the abominable and dangerous environment reliably. Can be used in occasions such as various industrial control, course controlling, traffic controlling and intellectual district , especially suit the bank, electricity and interfering with environment department and system with the special requirement electromagnetically.

Approx. 6,999 / Piece Get Latest Price

The Model271 Series serial to fiber optic converter is equipped with a multiple interface circuit that can handle RS-232, or RS-422/485 serial interfaces and multi-mode or single- mode fiber. Model271 converters are used to extend serial transmission distance up to 2-5 km (multi-mode fiber) or up to 20-120 km (single- mode fiber). Note that the RS-232 and RS-422/485 interfaces cannot be used on the same Model271 at the same time.

Features1.Auto sense serial signal rate, zero delay automatic transmit2.500Kbps the highest baud rate3.Supply three interface (RS232/485/422)4. Multi-mode 2KM, signal-mode 20~120KM5.Compact Size6.Decreases Signal interference7.DIN Rail or Wall-mounting SpecificationRS-232/485/422 Standard: EIA RS-232, RS-485, RS-422Connector: Terminal BlockRS-232 Signals: Tx, Rx, GNGRS-422 Signals: T+, T-, R+, R-RS-485 Signals: T+, T-Baud rate: 0-500kbpsESD Protection: 15KV for all signalsFiber OpticFiber Connector: SC, FC or ST optionalFiber Optic Cable RequirementsSingle-mode: 8.3/125, 8.7/125, 9/125 or 10/125μmMulti-mode: 50/125, 62.5/125, or 100/140μmTransmissionSingle-mode: 20, 25, 40, 60, 80, 100, 120KM optionalMulti-mode: 2, 5KMWavelengthSingle-mode: 1310nmMulti-mode: 850nmTx OutputSingle-mode: >-5dBmMulti-mode: >-5 dBm

Approx. 3,999 / Piece Get Latest Price

Model : MC201MC201 is a CAN bus to fiber converter. It designs specially to deal with the short transmission distance of CAN bus, the subjection to electromagnetic interference and other issues. CAN bus transfer to fiber is able to provide the user with transparent data transmission of CAN bus to fiber. It is working in pairs, is more convenient to put the CAN signal revert to the CAN signal through fiber transmission.
MC201 serial converter integrates an optical interface and a 2KVAC electrically isolated CAN bus interface, is able to receive/store/transmit different rates between 2 CAN network data. CAN bus interface of MC201 supports various of standard communication baud rate recommended by CiA, is capable for detecting and matching automatical baud rate and defining baud rate by user, the baud rate ranges from 2.5Kbps to 1Mbps; it can connect external termination resistors at the same time.Its single-model fiber interface can be used in high-interference environment and has concentrated energy , which is more suitable for long-distance transmission , is better to extend the network communication distance.
MC201 adopts EMC protection design, supports wall and panel mounting. It can be used at the harsh environment from -40℃ to 85℃.

Features1.Support CAN2.0A and CAN2.0B protocol, conform to the ISO/DIS 11898
2.Integrate1 UTD CAN interface and 1 optical interface
3.CAN interface supports auto-detect baud rate and user-defined baud rate, the baud rate matches the range of 2.5k~1Mbps
4.Support optic fiber transmit CAN network data
5.Extend transmission distance to 15km
6.CAN interface has electrical isolation protection with 2KVAC isolation voltage; Supports 8KV ESD protection(air discharge)
7.Port Data Throughput: 1000fps
8.Optional installation of external termination resistors
9.Industrial design, IP40 protection
10.Support DIN-Rail and wall mounting installation
11.Working Temperature: -40~85℃

SpecificationFiber Interface
Interface Type: single optical port or dual optical port, SC/ST/FC optional
Fiber Type: single-model/multi-model
Wavelength: 1310nm
CAN Interface
Standard: CAN2.0A, CAN2.0B
CAN Signal: GND, CANL, CANH
Baud Rate: 2.5K ~ 1000K bps
Interface Resistor: 120ohm external Terminator optional
Port Node: load capacity supports 110 nodes
Interface Protection: 2KVAC isolation protection, 8KV ESD protection(air discharge)
Interface Type: 5PIN terminals
Transmit Distance
CAN Interface: 40m~10Km
Single-model Fiber: 0~15Km
Indicator
CAN:CAN channel status indicator
LOS: Network error status indicator
Power: Power indicator
Power
Input Voltage: 5VDC
No-load Power: 1.385W@5VDC
Full Power:1.310W@5VDC
Mechanical Structure
Shell???IP40 protection grade, high-strength metal casing
Installation: Wall-mount and Panel-mount
Weight: 237g
Size(H*W*L): 22mm×69mm×10mm
Working Environment
Working Temperature: -40~85℃
Storage Temperature: -40~85℃
Industry Standard
EMI: FCC Part 15, CISPR(EN55022) class A
EMS: EN61000-4-2(ESD), Lece3
Shock: IEC60068-2-27
Free Fall: IEC60068-2-32
Shake: IEC60068-2-6

Approx. 8,500 / Piece Get Latest Price

Product Brochure
MODEL277 series are serial-to-fiber modems that convert RS-232/485/422 serial port signal to optical signal. This series include 3 types of optional products and support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port. It adopts wall mounting or DIN-Rail mounting to meet the requirements of different application scenes. This series adopt advanced communication coding and clock recovery technology to avoid data transmission error. And it adopts unique "Zero time delay and automatic forwarding" technology to enhance the anti-interference capability of interface and achieve real zero time delay. It can conduct automatic detection of baud rate, even the baud rate of the device serial signal changes; the converter can still achieve RS-232 or RS-485/422 to optical port conversion. MODEL277 series can be widely used in various industrial control, process control, traffic control, intelligent community and other scenes, especially suitable for bank, power industry, departments and systems with special requirements for electromagnetic interference.

??? Support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port ??? Support advanced communication coding and clock recovery technology to ensure accurate transmission of distant data ??? Support unique "Zero time delay and automatic forwarding" technology ??? Support autotunning technology of serial baud rate ??? Support 5VDC, 12-48VDC, -48VDC and 220VAC four power supply solutions

Specification RS-232/485/422 Standards: EIA RS-232C, RS-485, RS422 standard RS-232 signal: OUT(TX), IN(RX), GND RS-422 signal: T+, T-, R+, R-, GND RS-485 signal: D+, D-, GND Working mode: Asynchronism, point to point or multi point, 2 wire half-duplex,4 wire full duplex Baud rate:0~115.2Kbps, auto test serial signal rate detect signal speed automatically, zero delay time Transfer distance: RS-485/422 side:1.2Km(9600bps) RS-232 side: no less than 5m Max number of drops: 128 nodes(RS-485/422) Port protect: 600W surge protection 15KV ESD protection Optic Fiber Connectors: SC, FC or ST, optional Fiber optic cables: Single Mode:8.3/125,8.7/125,9/125 or 10/125 um Muti-Mode:50/125,62.5/125 or 100/125 um Transmission: 20, 40,60,80,100, 120km(SM), 2km(MM) optional Wavelength:850nm,1310nm,1550nm Power Power input: 9???36VDC power input(2 bit terminal block) Consumption: 120mA Environment Operating temperature: -10°C to 60°C Storage temperature: -40°C to 85°C Humidity: 5% to 95%(no condensation) Appearance Dimensions: 100.0mm×69.0mm×22.0mm Material: Iron(shell) Color: White Weight: 230g Warranty: 5 years Approvals: FCC, CE, RoHS approvals

Approx. 9,000 / Piece Get Latest Price

Product Brochure
Introduction

MODEL277 series are serial-to-fiber modems that convert RS-232/485/422 serial port signal to optical signal. This series include 3 types of optional products and support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port. It adopts wall mounting or DIN-Rail mounting to meet the requirements of different application scenes. This series adopt advanced communication coding and clock recovery technology to avoid data transmission error. And it adopts unique "Zero time delay and automatic forwarding" technology to enhance the anti-interference capability of interface and achieve real zero time delay. It can conduct automatic detection of baud rate, even the baud rate of the device serial signal changes; the converter can still achieve RS-232 or RS-485/422 to optical port conversion. MODEL277 series can be widely used in various industrial control, process control, traffic control, intelligent community and other scenes, especially suitable for bank, power industry, departments and systems with special requirements for electromagnetic interference.

Approx. 9,000 / Piece Get Latest Price

Product Brochure
Introduction

MODEL277 series are serial-to-fiber modems that convert RS-232/485/422 serial port signal to optical signal. This series include 3 types of optional products and support 1 RS-232, RS-485/422 or 3IN1 serial port to 1 fiber port. It adopts wall mounting or DIN-Rail mounting to meet the requirements of different application scenes. This series adopt advanced communication coding and clock recovery technology to avoid data transmission error. And it adopts unique "Zero time delay and automatic forwarding" technology to enhance the anti-interference capability of interface and achieve real zero time delay. It can conduct automatic detection of baud rate, even the baud rate of the device serial signal changes; the converter can still achieve RS-232 or RS-485/422 to optical port conversion. MODEL277 series can be widely used in various industrial control, process control, traffic control, intelligent community and other scenes, especially suitable for bank, power industry, departments and systems with special requirements for electromagnetic interference.