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Summary of Contents for SeaLevel C4-104.ULTRA
- Page 1 C4-104.ULTRA User Manual | 3540 © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022...
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Page 2: Table Of Contents
APPENDIX B – HOW TO GET ASSISTANCE ..................... 19 APPENDIX C – ELECTRICAL INTERFACE ......................20 APPENDIX D – ASYNCHRONOUS COMMUNICATIONS .................. 21 APPENDIX E – SILK SCREEN – 3540 ....................... 22 WARRANTY ................................ 23 © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022... -
Page 3: Introduction
RS-485 is optimized for ‘Multi-Drop’ or ‘Party-line’ operations selecting data from multiple peripherals (as many as 31 devices can be connected on an RS-485 bus). The C4-104.ULTRA is optimized for RS-485 with automatic driver enable, and automatic suppression of RS-485 ‘Echo’ as options, further simplifying integration. -
Page 4: Before You Get Started
Before You Get Started What’s Included The C4-104.ULTRA is shipped with the following items. If any of these items is missing or damaged, contact the supplier. C4-104.ULTRA Serial I/O Adapter • Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product, or the user could suffer serious injury. - Page 5 Systems’ DB9 standard for RS-422/485. • DB103 - The DB103 is designed to convert a Sealevel DB9 Male connector to a pinout compatible with AC24AT and AC422AT Opto-22 ISA bus cards. This allows Optomux devices to be controlled from any Sealevel RS-422 board with a DB9 Male connector.
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Page 6: Card Setup
IRQ selection for the adapter. Address Selection Each port on the C4-104.ULTRA occupies sixteen consecutive I/O locations. A DIP-switch is used to set the base address for these locations. The following table shows the addressing options available. If different address options are required, please contact Sealevel Systems Technical Support about a custom PAL option. - Page 7 Header E1 (IRQ Selection) The C4-104.ULTRA has a single interrupt selection jumper for all four of the ports, which should be set prior to use, if an interrupt is required by your application software. Consult the user manual for the application software being used to determine the proper setting.
- Page 8 921.6K bps Programmable Features Each of the ports on the C4-104.ULTRA can be individually configured as an RS-232, RS-422, or RS-485 interface. This is a software selectable feature. Electrical Interface selection (RS-232/422/485), RS- 422/485 termination, and RS-485 ‘Echo’ control are selected via the ‘Control’ port (Base + 8). If the Sealevel Software Windows drivers are used, this is accomplished as a function of the Device Manager.
- Page 9 Typically, each end of the RS-485 bus must have line-terminating resistors (RS-422 terminates at the receive end only). One of the unique features of the C4-104.ULTRA is its ability to select this termination via a control word in the control port. It is completely software selectable, thus reducing the complexity of cabling typically found in RS-485 implementations.
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Page 10: Installation
Only users running Windows 7 or newer should utilize these instructions for accessing and installing the appropriate driver via Sealevel’s website. If you are utilizing an operating system prior to Windows 7, please contact Sealevel by calling 864.843.4343 or emailing support@sealevel.com... - Page 11 3rd Party Software Support Third party software support for many HMI/MMI and other process control software is accessible through links on the Sealevel’s website. For the most up to date information on third party software support, please visit: https://www.sealevel.com/support/3rd-party-software-support/. For additional software support, including QNX, please call Sealevel Systems’ Technical Support, (864) 843- 4343.
- Page 12 Retain any mounting hardware not used to allow for future expansion. 5. Remove the cover. 6. Connect the power cord and power up the machine. The adapter is now ready for use. © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022...
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Page 13: Technical Description
Technical Description The C4-104.ULTRA provides 4 RS-232/422/485 software programmable ports from a single PC-104 adapter. The C4-104.ULTRA utilizes the 16C864 UART. This chip features programmable baud rate, data format, interrupt control and industry leading 128-byte transmit and receive FIFOs. Connector Pin-outs... - Page 14 These cables terminate the C4-104.ULTRA’s 40 pin header to four DB9M connectors. This termination provides the standard DB9 pin out for RS-232 (EIA/TIA574) in RS-232 mode and the Sealevel Systems’ DB9 standard for RS-422/485. The following table illustrates the DB9 pin out when using any of these optional cables.
- Page 15 If the CA143 is not used and the CA110 DB37 cable is used alone the following pin outs apply. © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022...
- Page 16 RS-232 Port # RS-422/485 Port # RTS- CTS- RTS+ CTS+ © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022...
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Page 17: Specifications
10 to 90% R.H. Non-Condensing Manufacturing All Sealevel Systems printed circuit boards are built to UL 94V0 rating and are 100% electrically tested. These printed circuit boards are solder mask over bare copper or solder mask over tin nickel. Power Requirements... -
Page 18: Appendix A - Troubleshooting
No two adapters can occupy the same I/O address. Try the Sealevel Systems adapter with a unique IRQ. While the Sealevel Systems adapter does allow the sharing of IRQs, many other adapters (i.e., SCSI adapters & on-board serial ports) do not. -
Page 19: Appendix B - How To Get Assistance
If possible, please have the adapter installed in a computer ready to run diagnostics. 3. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.asp. -
Page 20: Appendix C - Electrical Interface
0 (space) and -12 volts (-3 to -10 volts) denote a binary 1 (mark). The RS-232 and the EIA/TIA-574 specification define two types of interface circuits Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE). The Sealevel Systems Adapter is a DTE interface. RS-422 The RS-422 specification defines the electrical characteristics of balanced voltage digital interface circuits. -
Page 21: Appendix D - Asynchronous Communications
The communication parameters are baud rate, parity, number of data bits per character, and stop bits (i.e.,9600,N,8,1). © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022... -
Page 22: Appendix E - Silk Screen - 3540
Appendix E – Silk Screen – 3540 © Sealevel Systems, Inc. 3540 Manual | SL9117 9/2022... -
Page 23: Warranty
Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured I/O products. We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product development, production, burn-in and testing.
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