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© Sealevel Systems, Inc. 7402e Manual | SL9251 11/2022
COMM+4/422.PCIe
User Manual | 7402e and 7402eS
Page 1: ...1 Sealevel Systems Inc 7402e Manual SL9251 11 2022 COMM 4 422 PCIe User Manual 7402e and 7402eS...
Page 2: ...D 5 HARDWARE DESCRIPTION 7 HARDWARE CONFIGURATION 8 SOFTWARE INSTALLATION 11 TECHNICAL DESCRIPTION 13 SPECIFICATIONS 15 APPENDIX A TROUBLESHOOTING 16 APPENDIX B HANDLING INSTRUCTIONS 17 APPENDIX C ELE...
Page 3: ...to your application In RS 485 mode the transmitter is automatically enabled in hardware eliminating the need for application software control This allows the 7402e to be used with standard serial com...
Page 4: ...4 Sealevel Systems Inc 7402e Manual SL9251 11 2022...
Page 5: ...xpress Board with Standard Height PC Bracket CA200 DB44 Male to 4 DB9 Male Cable Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to th...
Page 6: ...ial Cable Item CA176 DB9 Female RS 422 to DB25 Male RS 530 Cable 10 in Length DB9 to DB25 Serial Cable Item CA177 DB9 Female to DB25 Male Standard RS 232 Modem Cable 72 inch Length DB9 Serial Extensio...
Page 7: ...CI Express slot It is available in standard height PCI Express as item 7402eS DB44F Board Connector The board integrates a DB44 female connector for interfacing the four serial ports via the included...
Page 8: ...clock divisor to provide a wide range of possible baud rates Note that there are many combinations that can give the same result e g Prescaler 1 and Divisor 8 Prescaler 2 and Divisor 4 or Prescaler 8...
Page 9: ...n of the interface If multiple COMM 4 422 PCIe adapters are configured in an RS 485 network only the boards on each end should have switches T P P ON Refer to the following table for each position s o...
Page 10: ...10 Sealevel Systems Inc 7402e Manual SL9251 11 2022 Figure 1 RS 422 Mode Figure 2 RS 485 two wire with Echo Figure 3 RS 485 two wire No Echo 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON...
Page 11: ...ear with text similar to The publisher cannot be determined due to the problems below Authenticode signature not found Please click the Yes button and proceed with the installation This declaration si...
Page 12: ...e installation of the adapter and associate it with the newly installed SeaCOM driver Linux Installation You MUST have root privileges to install the software and drivers The syntax is case sensitive...
Page 13: ...eceive FIFOs The UARTs are register compatible with 16C450 16C550 16C654 and 16C750 UARTs The FIFO depth can be changed to match the depth of these UARTs RS 422 485 CA 200 DB 9 Connector Pin Assignmen...
Page 14: ...20 23 27 TX 32 36 40 43 RTS 31 35 39 42 RX 3 7 11 15 CTS 33 37 41 44 GND 17 21 24 28 The RTS output is only available in RS 422 mode The RTS output is tri stated in RS 485 mode and therefore unusable...
Page 15: ...0 to 105 C 58 to 221 F Humidity Range 10 to 90 R H Non Condensing 10 to 90 R H Non Condensing Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electric...
Page 16: ...r help in choosing an I O address and IRQ 4 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 5 If you are utilizing an operating system prior to Windows 7 please cont...
Page 17: ...statically sensitive components in protective packaging or on anti static mats Grounding Methods The following measures help to avoid electrostatic damages to the device Cover workstations with approv...
Page 18: ...g 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once RS 422 signal levels range from 0 to 5 volts RS...
Page 19: ...fined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Figure 4 Asynchronous Communications Bit Diagram This special bit is called th...
Page 20: ...20 Sealevel Systems Inc 7402e Manual SL9251 11 2022 Appendix E Mechanical Drawing...
Page 21: ...nty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prep...
