nx70系列通讯模块安装手册中英文

1、SMum Value for OEMsNX70 Installation Instructions Serial Communications UnitCatalog Number: NX70-SCUContentsEnglish3. 21EnglishContentsImportant User Information4Safety Instructions5Overview8Features8System Configuration9Hardware Description10Specifications11Status LEDs12DIP Switch Settings13Wiring1

2、6RS232C/RS485 Interface16Installation18Installation Dimensions18SCU Dimensions (mm)19Mounting/Dismounting Module20Important User InformationSolid state equipment has operational characteristics differing from those of electromechanical equipment. Because of this difference, and also because ofthe wi

3、de variety of uses for solid state equipment, alls responsible forapplying this equipment must satisfy themselves that each intended application of this equipment is acceptable.In no event will OE Max Controls be responsible or liable for indirect or consequential damages resulting from the use or a

4、pplication of this equipment.The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, OE Max Controls cannot assume responsibility or liability for actual use based on the examp

5、les and diagrams.No patent liability is assumed by OE Max Controls with respect to use of information, circuits, equipment, or software described in this manual.Reproduction of the contents of this manual, in whole or in part, without written permission of OE Max Controls is prohibited.Throughout th

6、is manual we use notes to make you aware of safety considerations.Identifies information about practices or circumstances which may lead to seriousal injury or death, property damage, or economic loss. WARNING Identifies information that is critical for successful application and understanding of th

7、e product. IMPORTANT Identifies information about practices or circumstances that can lead to minoral injury, property damage, economic loss, or product malfunction. However, depending on situation, failure to follow the directionspanying this symbol may also lead to serious consequences. ATTENTION

8、4Safety InstructionsPlease read this manual and the related documentation thoroughly and familiarize yourself with the directions before installing, operating, performing inspection and preventive maintenance. Make sure to follow the directions correctly to ensure normal operation of the product and

9、 your safety.If this product is used in a situation that may cause al injury and/or significant product damage, implement safe measures such as use of fault-safeequipment.Do not use this product under any conditions exposed to explosive gases. It may cause an explosion. WARNING Make sure to use an e

10、xternal device when configuring the protective circuit breakers for emergencies or interlock circuits.Fasten the terminal screws tightly to ensure that the cable connection is secure. Incorrect cable connection may cause overheating and product malfunction.Operate and keep the product under the allo

11、wed conditions directed in product specifications.Otherwise it may cause overheating and product malfunction. ATTENTION Do not disassemble or remthe product.Otherwise it may cause an electric shock or malfunction.Do not touch the terminals when the power is on. Otherwise it may cause an electric sho

12、ck.5Installation Environment for SCU (Serial Communications Unit)Do not install your analog conversion modules if any of the following conditions are present: ATTENTION Ambient temperature outside the range of 0 to 55 C (32 to 131 F).Direct sunlight.Humidity outside the range of 30% to 85% (non-cond

13、ensing).Chemicals that may affect electronic parts. Excessive or conductive dust, or sali.High voltage, strong magnetic fields, or strong electromagnetic influences.Direct impact and excessive vibration.Installing Modules on the System1. Wire communication cable to the SCU.2. Turn on the power of th

14、e external device connected to the SCU.3. Turn on the main PLC power. ATTENTION Removing Modules form the System1. Turn off the main PLC power.2. Turn off the power of the external device connected to the SCU.3. Remove the communication cable. ATTENTION Preventing SCU Malfunctions ATTENTION Make sur

15、e the power is off when installing or removing the SCU.Make sure the SCU is firmly fastened onto the backplane before use.Make sure no cable pieces or other materials get into the SCU while wiring.Do not touch the connector (for backplane) on the bottom of the unit with bare hands.The SCU is manufac

16、tured with plastic injection molding process. Do not engage impact or shock on the SCU.6Preventing PLC System Malfunctions ATTENTION Use the isolation transformer and line filter on the ing power to the PLC when there is equipmentusing or producing high current, high voltage, or large magnetic field

17、s in the vici.Separate the main system groundings and other device groundings, and use 3-way grounding.Do not exceed the current and power rating of the external 24 VDC provided by the PLC power supply. Otherwise it may cause operation errors.Avoid system faults due to programming errors by reading

18、and fully understanding the PLC instructions set.Perform regular preventive maintenance on installed systems, checking devices and wiring for potential breakdowns and failures.7OverviewFeaturesExchange data with RS232C or RS485 communication devices, such as barcode reader (RS232C) and network inver

19、ter (RS458). ASCII and HEX (Binary) data transfer is enabled with ladder program.1. Two channels are implemented on a single unit2. Data input/output with simple sequence instructions.Use PLC advanced instruction READ to read data from the SCU, and WRITE to write data to the SCU. CPU unit and SCU wi

20、ll handle the task with shared memory, so there is no need for writing complicated programs.3. RS232C or RS485 communication network is available.Data input/output with RS232 devices:Connect to and exchange data with devices like IDX display, measurement instrument, barcode reader, and printer.Data

21、input/output with RS485 devices:Connect through network to temperature controller, network inverter, and network servo.4. Unlimited mounting in PLC slots, 500 byte transmission unit.5. Both ASCII and HEX (binary) can be used as transmission code.6. End terminal code can be configured freely with PLC

22、 ladder instructions.8NX70 PLC SCU Unit(NX70-SCU)System ConfigurationUsing RS232C CommunicationBarcode ReaderNX70-SCUID CardRS-232C CablePrinterMeasurement instrumentUsing RS485C CommunicationNX70-SCURS-485 communicationInverter networkRS-485 communicationTemperature controller networkYou can connec

23、t RS232C device/RS485 network device to each RS232C/RS485 (CH1, CH2) channel.NX series SCU can be mounted anywhere you want regardless of whether the backplane is basic or expansion. The number of SCU mounting is not limited.SCUSCU9Hardware DescriptionNX70 SCU (NX70-SCU)Operation status displayReset

24、 switchForced reset on the SCU.RS-232C/485Interface (CH1)RS-232C/485Interface (CH2)10SpecificationsGeneral SpecificationsPerformance SpecificationsSCU module is configured as 32 points I/O module with 16 points input and 16 points output. NOTE 11ItemSpecificationsInterfaceRS232C/RS485 2 portsTransmi

25、ssion speedConfigured with DSW1 and DSW21) Using RS232C: 300/600/1200/4800/9600/19200/38400bps2) Using RS485: 4800/9600/19200/38400bpsCommunication methodHalf duplexSynchronization methodStart-stop methodTransmission distanceUsing RS232C: 15m (MAX), Using RS485: 1.2 KmTransmission codeASCII or HEX (

26、Binary)Transmission data formatSTOP bit 1bit/2bitParity (even/odd)Data length 7bit/8bitData transmission orderFrom bit 0, by each characterTransmission unitA message, to the end terminal code (length adjustable)Max. message lengthMAX. 500 Byte/frame (including end and start terminal code)Interface w

27、ith CPU unitShared memory type:Read and write data with advanced instructions READ and WRITE.I/O allocation16 points input and 16 points output allocated.End terminal code settingSelect from three types of c CR d CR+LF e ETX or set arbitrary code from shared memory.Start terminal codeStart codeOther

28、 special controlsEnd terminal code cut transmission mode (control by sequence instruction), Convenient for printing out.Soft reset (control by sequence instruction)ItemSpecificationsTemperatureOperating0 C to +55 C (32 F to 131 F)Storage-25 C to +70 C (-13 F to 158 F)HumidityOperating30 to 85% RH (N

29、on-condensing)Storage30 to 85% RH (Non-condensing)Withstand voltage500 V AC for 1 minute between I/O terminal (dc) and frame ground (power unit)Insulation100 MW or more at 500 mega V dc between I/O terminal (dc) and frame ground (power unit)Vibration immu10 to 55Hz, 1 cycle/minute: double amplitude

30、of 0.75 mm, 10 minutes on 3 axis (X,Y, Z)Shock immuPeak acceleration and duration 15g/11 ms, 3 times in each X, Y, Z directionNoise immu1500 Vp-p with 50ns to 1s pulse width (generated by noise simulator)AmbienceNo corrosive gas, no excessive dustOccupied I/O points32 points (16 points input, 16 poi

31、nts output)Max. number of unitUnlimitedStatus LEDsSCU operation and communication status is displayed on the LED on the top of the front panel.SCU front display windowNX70 SCU (NX70-SCU)Communication error LED (ERROR LED) turns on when parity or framing error occurs.Receiving: Parity, framing ERROR

32、Sending: No end terminal codeCommunication error LED turns off when normal frame is received or sent (writing to shared memory). NOTE SCU12LED itemsFunctionPower (PWR) (On): Unit in operation (Off): Power turned offOperation error (ALARM) (On): Operation errorTurned on when watchdog timer identifies

33、 an error. (Press the Reset switch to turn off.) (Off): Normal operationCH.1Sending data monitor (SD 1) (Flickering): Sending data (Off): No sending data.Receiving data monitor (RD 1) (Flickering): Receiving data (Off): No receiving data.Communication error (ERR 1) (On): Communication error (Off): N

34、ormal communicationCH.2Sending data monitor (SD 2) (Flickering): Sending data (Off): No sending data.Receiving data monitor (RD 2) (Flickering): Receiving data (Off): No receiving data.Communication error (ERR 2) (On): Communication error (Off): Normal communicationNX70-SCUPWR ALARMSD1 SD2RD1 RD2ERR

35、1 ERR2DIP Switch SettingsCH1 SettingDIP Switch is located inside the SCU.Parity ControlStart terminal setting codeCH1 SettingDataParity ControlStart terminalDatacodeX-length settinglengthcodeX-codeStop bitStop bitParity CheckParity CheckEnd terminal paraBaud- RateEnd terminal codeBaud- Rateparacode-

36、meter-meterDSW1DSW2DSW3When using RS485, the available baud rates are 38,400/19,200/9,600/4,800bps.When parity check is set to Invalid, the parity settings are not applied.For control signal, the CTS and CD settings can be selected, but set it to Not Applicable when using3-wire method without flow c

37、ontrol. (using RS232C communication)Start and end terminal codes determine the start and end of a communication frame.NONONO13ATTENTIONBit locationFunction123456781234DSW100038400 Bps101010101100110001111Transmission speed (BAUD RATE)(see below)19200 Bps9600 Bps4800 Bps2400 Bps1200 Bps600 Bps300 Bps

38、01Data length7 Bit8 Bit01Parity check (see below)Invalid Valid01Parity settingOdd parity (ODD) Even parity (EVEN)01STOP bit length1 STOP Bit2 STOP Bit01Control signal (see below) (CTS, CD)Not used UsedDSW201010011End terminal code (see below)Set to shared memory (1 byte)CR (0DH) codeCR (0DH), LF (0A

39、H) codeETX (03H) code01Start terminal code (see below)STX (02H) not used STX (02H) used01X-ParameterNot supportCH2 SettingCH2 SettingDataParity ControlStart terminalData lengthParity ControlStart terminal setting codecodeX-length settingcodeX-codeStop bitStop bitParityParity CheckEnd terminal paraBa

40、ud- RateEnd terminal codeBaud- RateparaCheckcode-meter-meterDSW1DSW2DSW3When using RS485, the available baud rates are 38,400/19,200/9,600/4,800bps.When parity check is set to Invalid, the parity settings are not applied.For control signal, the CTS and CD settings can be selected, but set it to Not

41、Applicable when using3-wire method without flow control. (using RS232C communication)Start and end terminal codes determine the start and end of a communication frame.NONONO14ATTENTIONBit locationFunction567812345678DSW200038400 Bps101010101100110001111Transmission speed (BAUD RATE)(see below)19200

42、Bps9600 Bps4800 Bps2400 Bps1200 Bps600 Bps300 Bps01Data length7 Bit8 BitDSW301Parity check (see below)Invalid Valid01Parity settingOdd parity (ODD) Even parity (EVEN)01STOP bit length1 STOP Bit2 STOP Bit01Control signal (see below) (CTS, CD)Not used Used01010011End terminal code (see below)Set to sh

43、ared memory (1 byte)CR (0DH) codeCR (0DH), LF (0AH) codeETX (03H) code01Start terminal code (see below)STX (02H) not used STX (02H) used01X-ParameterNot supportExample (DSW Settings)CH2 settingCH1 settingCH1 SettingCH2 SettingDataParity ControlStart terminalData lengthParity Control Start terminal s

44、ettinglength setting codeStopcodeX-codeX-codeStop End terminal paraBaud-ParityEnd terminal paraBaud-Parity CheckbitbitRateCheckcodecode -meter Rate-meterDSW1DSW2DSW3NONONO15Transmission speed: 9600 bps Data length: 8 bitParity Check : Valid Parity Bit: Odd STOP Bit: 1 BitControl signal: Not used End

45、 terminal code: CRStart terminal code: Not used X-Parameter: DisabledTransmission speed: 9600 bps Data length: 8 bitParity Check: Valid Parity Bit: Odd STOP Bit: 1 BitControl signal: Not applicable End terminal code: CRStart terminal code: Not used X-Parameter: DisabledWiringRS232C/RS485 InterfaceSC

46、U Connection SignalConnector (9P)External device referred above means a variety of RS232 and RS485 devices.Typical wiring methods are as follows:1.RS232 Wiring: 3-wire method without flow control (common wiring method)2.RS485 Wiring: End terminalis built-in.6789 12345 16PIN NOSignal NameMnemonicDire

47、ctionSCUExternal device1FRAME GROUNDFG2SEND DATASD3RECEIVE DATARD45SIGNAL GROUNDGND6485 TRANSIVER-485-7485 TRANSIVER+485+89POWER+5VRS232 Wiring Diagram3-wire method without flow control (RS232 device - 9 pin)SCU (9P)RS-232 device (9P)Turn off the DSW1 No. 8 or DSW3 No.4 which are the control codes.

48、ATTENTION 3-wire method without flow control (RS232 device-25 pin)SCU (9P)RS-232 device (25P)RS485 Wiring DiagramSCU (9P)RS-485 device17Mnemonic485+485-PIN NOMnemonic123456485+7485-89PIN NOMnemonic1FG2SD3RD4RTS5CTS6DSR7SG8CD20DTRPIN NOMnemonic12SD3RD45SG6RS485-7RS485+89PIN NOMnemonicPIN NOMnemonic11

49、FG2SD2RD3RD3SD44DTR5SG5SG6RS485-6DSR7RS485+7RTS88CTS99RIInstallationInstallation DimensionsSystem Dimensions (mm)A30 .038 .0C4 - M5Bunit (mm)1 05. 018Slot TypesCatalog NumberDimensions (A)Dimensions (B)Dimensions (C)2-slot typeNX70-BASE02149.5129.5115.53-slot typeNX70-BASE03185.0165.0151.05-slot typeNX70-BASE05256.0236.0222.06-slot typeNX70-BASE06291.5271.5257.58-slot typeNX70-BASE08362.5342.5328.510-slot typeNX70-BASE10398.0378.0364.012-slot typeNX70-BASE12433.5413.5399.5SCU Dimensions (mm)19Mounting/