StarTech.com RS-232 - RS485/422 Converter
Contents
1. V and 2 V are configured to transmit data the transmitter the terminal 3 V and 4 V are configured to receive data the receiver In the monitor mode the terminals 1 and 2 are respectively the positive and negative of receiver 1 the terminal 3 and 4 are the positive and negative of receiver 2 DCEIDTE Receiver 1 TV Receiver FT V 3 Receiver V Receiver 2 V 4 Receiver V Receiver 2 V Self Test To test the internal circuit of the interface converter connect a loop back terminal to the unit and process as follows 1 Set SW1 to DCE if the loop back terminal is a DTE configuration 2 Set SW2 to TXON RxON 3 Connect one wire from Tx 1 to Rx 4 and connect another wire from Tx 2 to Rx 3 4 Set the terminal to full duplex and enter data then the data should be displayed on the screen 5 If this occurs the internal circuit is operational A OS mm Appendix Troubleshooting If failure of printing still exists upon the above solutions please contact your dealer for help Problem Failure of Data Transmission Check that the DC9V power adapter is available Check that the IC485SEU is plugged securely to the PC Check that the 4 wire cable is connected properly at both ends Check that the SW1 and SW2 are properly set RS 232 DCE DTE Description Device s Connector Pin IC485SEU DCE DTE DCE DTE 25 25 or DCE DTE DB9 DB9 DB25 DB2. Multidrop Multidrop configuration means that more than two devices can be linked all together to communicate to one another through many IC485S GB EU devices In this configuration one of the IC485S GB EU devices will be connected to a master device and the rest of the IC485S GB EU devices will be connected to many other slave devices Multidrop 4 Wire Full Duplex A B1 te T R PC1 gt gt PC2 ee ide COM1 COM1 Rt TE COM2 COM2 IC4855 IC4855 B2 R R T gt pc3 H py COM1 IC485S COM2 B3 R R T gt pc4 LI T COM1 IC485S com2 Configuration Device SW1 sw2 A DCE DTE TxON RxON Bn DCE DTE TxRTS RxON Note Bn means any one of the B1 B2 B3 and so on mu 5 Multidrop 2 Wire Half Duplex Bl POL gt coM1 R R COM2 IC485S T IC4855 Configuration B2 IC485S IC485S Device SW1 A DCE DTE B DCE DTE gt pc2 COM1 COM2 gt pc3 COM1 COM2 gt PC4 COM1 COM2 11 6 Simplex Transmit Receive Only Simplex configuration means that more than two devices can be linked all together to communicate through many IC485S GB EU devices Its configuration is like the Multidrop s but the master device can talk only and the slave devices ca
3. 25 9 25 Pin DB25 DB25 3 2 2 3 3 2 2 Karsa e papa Note The DTE mode devices must be connected ti a DCE mode device because the polarity of the communication signals are different 1 gr ME SMhn e ele 0 Radio and TV Interference Warning This equipment generates uses and radiates radio frequency energy and if not installed and used in accordance with the instruction manual may case interference to radio and television reception It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient the receiving antenna 2 Relocate the computer with respect to the receiver 3 Move the computer away from the receiver 4 Plug the computer into a different outlet so that the computer and receiver are on different branch circuits 5 Ensure that the moun
4. Interface Converter RS 232 to RS 485 422 Serial Interface Converter Installation Manual IC485S IC485SGB IC485SEU StarTech com P ssi riolo NWA c_ cEC _VY ehb A Overview Changing line signals is no longer a problem StarTech com s IC485S GB EU converts RS 232 serial interfaces to RS 485 422 serial interfaces This 2 in 1 converter converts RS232C to either the RS 485 or RS 422 interface Other features include DCE DTE selectable modes point to point multidrop configuration and the ability to monitor RS 485 422 signals The IC485S GB EU can be powered from the following two ways 1 DC 9V 200mA power adapter 2 The pin 9 of the RS 232 connector The following is a figure of the IC485S GB EU RS 232 DB25 Female Connector Power Jack RJ11 Connector Terminal Block Features e Two in one converter Converts RS232C to either RS 485 or RS 422 DCE DTE mode selectable Supports point to point multidrop configuration Can be used to monitor RS 485 422 signals e Full or half duplex operation Specifications Me dia Cable length Up to 4000ft RS 232 connector DB25 Female RS 485 connector RJ11 Female or terminal block Dimensions mm 54 x 74 x 19 Power Self powered or DC 9V 200mA 1 2 Getting Started This section is designed to help you prepare the IC485S GB EU for installation Please read through this section carefully before attempti
5. evel using in Multidrop mode Position 3 TxRTS RxON means the IC485 GB EU is always in receiving mode and it is in transmitting mode only while the RTS signal is at a high level using in Multidrop mode to monitor the RS 485 line signal Note DTE means Data Terminal Equipment DCE means Data Communication Equipment For more detailed information refer to the Appendix AS lt lt lt DBy gt gt IPEe_G_G L Llkkl Operation The IC485S GB EU supports 4 kinds of functions in 6 types of configurations Point to Point Point to Point configuration means two devices that locate different places can be linked together to communicate through a couple of IC485S GB EU devices Point to Point 4 Wire A B Full Duplex T LH Ry te Re PC1 gt gt pc2 Re T COM1 COM1 Rt Tt COM2 COM2 IC485S IC485S Configuration Device SW1 Sw2 A DCE DTE TxON RxON B DCE DTE TxON RxON If the PC1 is a DTE device then the Device A SW1 should be set to DCE If the PC1 is a DCE device the the Device A SW1 should be set to DTE The switch setting method for the Device B is identical to Device A s Point to Point 2 Wire A B Half Duplex Te R n R PC1 gt gt pc2 R T COM1 COM1 Rt T COM2 COM2 IC485S IC485S Configuration Device SW1 SW2 A DCE DTE TxRTS RxRTS B DCE DTE TxRTS RxRTS _ 2 2 2 xx1 _ _2zszmmn
6. n listen only Simplex Transmit A Bl Receive Only TE R T R PC1 gt gt pc2 Ra T COM1 COM1 R T COM2 COM2 IC485S IC485S B2 R R T gt PC3 T COM1 IC485S COM2 B3 R R T gt pc4 T COMI IC4855 com2 Configuration Device SW1 sw2 A DCE DTE TxON RxON Bn DCE DTE TxON RxON Note Bn means any one of the B1 B2 B3 and so on ui Um Monitor Mode Monitor configuration means an IC485S GB EU device can be wired to the lines of RS 232 or RS 422 devices to monitor the line signals In this configuration the IC485S GB EU will change the function of the T and T to R and R respectively Before operating the user must complete the installation according to the procedure mentioned Once the installation has been done the device should operate as the setting function Monitoring Device 1 Device 2 T R T R R T R T A T R T R R gt Pc Rt com1 Ic485S com2 Configuration Device SW1 SW2 A MONI TXRTS RxON Note R4 and R signals are converted and linked to the RS 232 port and DB25 pin 3 R and R T and T signals are converted and linked to the RS 232 port DB25 pin 2 Note The RTS must be at the low level in monitoring mode 11 3 Others Terminal Block Definition The four screw terminal block has different definitions in different operation modes In the DCE DTE mode the terminal 1
7. ng to install the converter Unpacking the IC485S GB EU This package should contain 1x interface converter e 1 x power adapter Installation Before installing the IC485S GB EU you will need a 4 wire cable This cable must go from your location to the place you want to connect to 1 Decide on one of the 6 possible configurations suitable for your application Check the Operation for the correct slide switch settings and phone wires connection then connect the IC485S GB EU to the PC 2 Turn on the PCs 3 Insert the adapter s plug into the power jack on the right side of the converter 4 Plug the power adapter into an AC outlet The unit is now ready for operation Switch Function Description Device Mode Selection Position 1 DCE means that the IC485S GB EU is set to the DCE mode and must be connected to a DTE device Position 2 DTE means that the IC485S GB EU is set to the DTE mode and it must be connected to a DCE device Position 3 Monitor means that the IC485S GB EU is set to the monitor mode and it is used to monitor the RS 485 line signals Transmitting and Receiving Mode Selection Position 1 TxON RxON means the IC485S GB EU is always in transmitting mode and in receiving mode using in Point to Point mode Position 2 TxRTS RxRTS means the IC485S GB EU is in transmitting mode while the RTS is at a high level and it is on receiving mode while the RTS signal is at a low l
8. ting screws attachment connector screws and ground wires are tightly secured 6 Ensure that good quality shielded and grounded cables are used for data communications If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions PP5 C9500 211
Download Pdf Manuals
Related Search