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3. Installation and connecting with external devices 

 

 

 

24

 

COM-4CN-USB 

Installation Conditions 

Installation orientation 

It is possible to mount it in the orientations shown in the following figure.    Other orientations would 
cause problems in usage, such as inadequate heat dissipation. 

DIN rail fixation 

Vertical installation 

 

Horizontal installation 

Installation on a ceiling 

 

Figure 3.9. DIN rail fixation 

 

Screws / magnet fixation 

Vertical installation 

 

Horizontal installation   

Installation on a ceiling 

 

Figure 3.10. Screws / magnet fixation 

 

 

When using the product in a high temperature environment, cool it by blowing air even when the 
temperature is within the specified range. 

 

CAUTION

Summary of Contents for COM-4CN-USB

Page 1: ...PC HELPER N Series for USB RS 232C 4ch Serial I O Unit COM 4CN USB User s Guide CONTEC CO LTD ...

Page 2: ...k screw M4 x 5 Use for earth terminal 1 Rubber feet 4 USB cable 1 8m 1 USB cable attachment on the main product s side For Mini B connector side 1 Disk 1 COM Setup Disk 1 First step guide 1 Warranty Certificate 1 Serial Number Label 1 1 The bundled disk contains the driver software and User s Guide this guide Warranty Certificate Serial Number Label Warranty Certificate Product Disk COM Setup Disk...

Page 3: ...ange without notice All relevant issues have been considered in the preparation of this document Should you notice an omission or any questionable item in this document please feel free to notify CONTEC CO LTD Regardless of the foregoing statement CONTEC assumes no responsibility for any errors that may appear in this document or for results obtained by the user as a result of using this product T...

Page 4: ...ns 4 Safety Information 4 Handling Precautions 4 Environment 7 Inspection 7 Storage 7 Disposal 7 2 SETUP 9 What is Setup 9 Installing the driver 9 Step 1 Installing the Software 10 Step 2 Installing the Hardware 11 Name of each parts 11 Component Functions 12 Connecting the Product 12 Setting with the Found New Hardware Wizard 14 Step 3 Initializing the Software 15 Step 4 Operation check 16 Check ...

Page 5: ... Method 26 Interface Connector 26 Connector Pin Assignment 26 Types of Cable and Example Connections 27 4 FUNCTION 29 Communication Function 29 Serial Data Transmission 29 RS 232C Control Lines 29 Send and Receive Data Buffers 29 XON XOFF Automatic control function 29 Setting the Baud Rate 30 5 ABOUT SOFTWARE 31 About standard COM driver software 31 About Sample programs 31 Uninstalling the Driver...

Page 6: ...sibly used as Windows standard COM ports using the bundled driver library Comes with a driver software that allows the products to be used under Windows in the same way as COM ports on the PC Under Windows the product supports the OS standard Win32 API communication function as well as Visual Basic MSComm Each channel is equipped with separate 128 byte 384 byte FIFO buffers for transmit and receiv...

Page 7: ...rts in the range COM1 COM256 Under Windows the serial ports can be accessed using the standard Win32 API communication routines CreateFile WriteFile ReadFile and SetCommState etc The serial ports are also compatible with the Visual Basic communication control MSComm Supports the communication class of NET Framework SerialPort class For more details on the supported OS applicable language and new i...

Page 8: ...t prepaid with a copy of the original invoice and a Return Merchandise Authorization to the distributor or the CONTEC group office from which it was purchased This warranty is not applicable for scratches or normal wear but only for the electronic circuitry and original products The warranty is not applicable if the device has been tampered with or damaged through abuse mistreatment neglect or unr...

Page 9: ... the terminals are touched by someone s hands clean the terminals with industrial alcohol Do not close the ventilation hole s of this product by for example placing an object This may cause overheating malfunction and or failure of the product Do not touch the external connector when the power is on Otherwise this may malfunction overheat cause a failure due to static electricity Make sure that yo...

Page 10: ...tice The ferrite core must be installed in interface connecting cable so that this product may suit the above mentioned standard Name Maker Turn Quantity Installation Site E04SR200935A SEIWA 1 1 on USB cable at product Image diagram Ferrite core Cable TURN 1 TURN 2 TURN 3 TURN 4 ...

Page 11: ...ference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to corr...

Page 12: ... this product are not closed and also no dust or foreign matter is adhered to them Storage When storing this product keep it in its original packing form 1 Put this product in the storage bag 2 Wrap it in the packing material and then put it in the box 3 Store the package at room temperature at a place free from direct sunlight moisture shock vibration magnetism and static electricity Disposal Whe...

Page 13: ...1 Before Using the Product 8 COM 4CN USB ...

Page 14: ...software and hardware Installing the driver This section enables you to prepare the software and hardware by following each step in this chapter with the bundled disk COM Setup Disk You can use the diagnosis program later to check whether the software and hardware function normally Step 1 Installing the Software Step 2 Setting the Hardware Step 3 Initializing the Software Step 4 Operation Check ...

Page 15: ...Step 1 Installing the Software Install software Run USB COM 4CN USB Setup exe from the bundled disk 1 The screens below show the installation Click next 2 Accept the license agreement then click Next 3 The setup is completed ...

Page 16: ...called hardware installation If you are using more than one product be sure to complete the first installation then install the next one Name of each parts Figure 2 1 Name of each parts Interface connector CH1 CH2 CH3 CH4 COM 4CN USB USB I O Terminal RS 232C 4ch I O Unit USB cable attachment For PC Interface connector USB Type A LED indicator USB2 0 mini B type ...

Page 17: ...C in standby ON It indicates sending data by the RS 232C Connecting the Product 1 Turn on the power to the PC before connecting this product 2 Sandwich the supplied USB cable with the USB cable attachment and connect to the product This makes the cable hard to disconnect Figure 2 2 Connecting the Product The USB cable attachment cannot be used excluding an attached cable When the USB cable attachm...

Page 18: ...so be connected to the PC via a USB hub of this product Figure 2 3 Connecting the PC It may cause a trouble in recognizing and operating the device according to the kind of USB hub It is newly recognized as another COM port number when replacing the universal serial bus port and putting on the USB hub and substituting it USB port CAUTION ...

Page 19: ...installations on different Windows operating systems are included on the bundled disk so refer to the files in the following folder Usb COM4CXUSB InstDoc 1 The Found New Hardware Wizard will be started Select No not this time and then click the Next button 2 When the model name of hardware is displayed select Install the software automatically Recommended and then click on the Next button The devi...

Page 20: ...f you wish to change a port number open the properties page for the port and click the Advanced button under Port Settings 4 Use the COM Port Number combo box to modify the COM port number 5 Clicking the Advanced button opens the Advanced Settings for COMn window Use the COM Port Number combo box to select the COM port number You have now finished installing the initial setting of Software The nam...

Page 21: ...an RS 232C cross cable If you do not have a cross cable you can use a switch on the product to perform testing of a single COM port using loopback communications See the figure below for the switch settings Switch setting for using a cross cable 3 2 7 8 4 6 TxD RxD RTS CTS DTR DSR TxD RxD RTS CTS DTR DSR 2 3 4 5 20 6 9pin Unit side 25pin Unit side ...

Page 22: ... used Run Utility CommChk amd64 CommChk exe from the bundled disk Communication Settings COM Setup Specify the number of the COM port you wish to test If connecting two COM ports via a cross cable specify the respective COM ports in Device1 and Device2 When performing loopback communications on a single COM port set the same port number in both Device 1 and Device 2 Communication Settings Specify ...

Page 23: ... button to start the test using the specified conditions View test result The test result is displayed in the Message window A successful completion message appears if the test completed OK If Setup fails to be performed normally Contact your retailer ...

Page 24: ...il How to mount 1 Pull down the fixing hooks with a slotted screwdriver to unlock Figure 3 1 Mounting on a DIN Rail 1 3 2 Hook the product on the upper part of the DIN rail and press it to the lower part of to the DIN rail Figure 3 1 Mounting on a DIN Rail 2 3 3 Push the fixing hooks up with a slotted screwdriver to lock Figure 3 1 Mounting on a DIN Rail 3 3 ...

Page 25: ...screwdriver to unlock Figure 3 2 Removing the product from the DIN rail 1 3 2 With the hooks unlocked pull the lower part of this product toward you Figure 3 2 Removing the product from the DIN rail 2 3 3 By lifting this product you can easily remove it from the DIN rail Figure 3 2 Removing the product from the DIN rail 3 3 ...

Page 26: ...esktop mount it on a horizontal platform The rubber feet can be mounted in their mounting holes as shown in the following figure Figure 3 3 Mounting the rubber feet Wall Installation Appropriate screws fit into φ3 5 hole are required to install the product on the wall The commercial screws can be purchased individually Figure 3 4 Wall Installation Screw ...

Page 27: ...ile mounted on the steel surface the surface paint may be scratched When using the magnet stack connection is not possible Mounting removing the magnet To mount the magnet press down the entire length of the magnet into its mounting hole while pushing the magnet in the direction of arrow 1 Next slide the magnet in the direction of arrow 2 to fix it in position Figure 3 5 Mounting the magnet To rem...

Page 28: ...t it will not drop off from the wall Figure 3 7 Steel wall installation Attaching the FG 1 Align the solderless terminal with the screw hole then tighten the supplied external toothed lock screw M4 x 5 Figure 3 8 Attaching the FG Screw holes may be damaged if screws are tightened with a torque greater than the specified torque The specified tightening torque is 5 6kgf cm CAUTION ...

Page 29: ...n usage such as inadequate heat dissipation DIN rail fixation Vertical installation Horizontal installation Installation on a ceiling Figure 3 9 DIN rail fixation Screws magnet fixation Vertical installation Horizontal installation Installation on a ceiling Figure 3 10 Screws magnet fixation When using the product in a high temperature environment cool it by blowing air even when the temperature i...

Page 30: ...rrounding objects Secure a distance of at least 50mm between the top of the main product single use and any surrounding objects Do not locate the product in a fully enclosed housing Figure 3 11 Spacing between the product and any surrounding objects 50mm or more 50mm or more 50mm or more 50mm or more 50mm or more ...

Page 31: ...ect with external devices Figure 3 12 Interface Connector Connector Pin Assignment Pin Assignments of COM 4CN USB Interface Connector Figure 3 13 Pin Assignments of Interface Connector CH4 CH3 CH2 CH1 1 1 1 1 Thumb screw UNC 4 40 inch screw Connector used DELC J9PAF 20L9E equivalent mfd by JAE Male Applicable connectors 17JE 13090 02 D8C mfd by DDK Female ...

Page 32: ...omputer or modem etc Check the requirements of the external device and select either a straight through or crossed null modem cable as appropriate If special treatment of the signal lines in the connector is required ensure that this is done in accordance with the specifications Figure 3 14 Example Connection to a Modem Straight cable Figure 3 15 Example Connection to a PC Cross cable Figure 3 16 ...

Page 33: ...3 Installation and connecting with external devices 28 COM 4CN USB ...

Page 34: ... by Hardware automatic Automatic control becomes either of RTS CTS or the DTR DSR control setting It is not possible to set it at the same time Send and Receive Data Buffers Each channel has a separate 128 byte send and 384 byte receive buffer The buffers operate as FIFO buffers and help reduce the load on the CPU for high speed communications or system operation XON XOFF Automatic control functio...

Page 35: ...8000000 Desired baud rate Division register setting value Ex 48000000 9600bps 5000 As the result is an integer a setup error does not occur 48000000 115200bps 416 66 As the result contains a fractional part a setup error occurs Refer to the following baud rate setting examples Table 4 1 Baud Rate Generator Programming Table Output baud rate bps Setup error 300 600 1200 1800 0 0025 2000 2400 3600 0...

Page 36: ...nder Windows the serial ports can be accessed using the standard Win32 API communication routines CreateFile WriteFile ReadFile and SetCommState etc The serial ports are also compatible with the Visual Basic communication control MSComm Suports the communication class of NET Framework SerialPort class Refer to the USB Readmej txt files on the bundled disk for details About Sample programs The samp...

Page 37: ...lling the Driver Libraries Uninstalling the Driver Libraries Uninstall the driver from My computer Control Panel Program and Features Select Windows Deriver Package CONTEC CO LTD xrusbser Ports and Windows Driver Package CONTEC USB to delete ...

Page 38: ... Power Common section Current consumption Max 5VDC 105mA Operating temperature 4 20 60 C 10 90 RH No condensation Connecting distance 15m Typ Dimension mm 188 0 W x 78 0 D x 30 5 H No protrusions Weight 230g Not including the USB cable attachment Connector 9 pin D SUB connector DELC J9PAF 20L9 mfd by JAE M male type equivalent Attached cable USB cable 1 8m Standard VCCI Class A FCC Class A CE Mark...

Page 39: ...6 About Hardware 34 COM 4CN USB Physical dimensions Figure 6 1 Physical dimensions mm COM 4CN USB USB I O T erminal R S 232C 4chI O Unit 188 78 66 4 170 30 5 20 4 154 55 4 φ3 5 ...

Page 40: ......

Page 41: ... COM 4CN USB User s Guide CONTEC CO LTD June 2018 Edition 3 9 31 Himesato Nishiyodogawa ku Osaka 555 0025 Japan https www contec com No part of this document may be copied or reproduced in any form by any means without prior written consent of CONTEC CO LTD 06052018 10252017 Management No NA05916 06052018_rev2 Parts No LYVL202 ...

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