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© Sealevel Systems, Inc. 3541 Manual | SL9150 12/2022

When using any other OS (i.e. Linux, or QNX) the following tables should be used.

For this Data Rate

Choose this Data Rate

1200 bps

150 bps

2400 bps

300 bps

4800 bps

600 bps

9600 bps

1200 bps

19.2K bps

2400 bps

57.6 K bps

4800 bps

115.2 K bps

14.4K bps

230.4K bps

28.8K bps

460.8K bps

57.6 K bps

921.6K bps

115.2 K bps

If your communications package allows the use of Baud rate divisors, choose the appropriate divisor from

the following table:

For this Data Rate

Choose this Divisor

1200 bps

768

2400 bps

384

4800 bps

192

9600 bps

96

19.2K bps

48

38.4K bps

24

57.6K bps

12

115.2K bps

8

230.4K bps

4

460.8K bps

2

921.6K bps

1

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.

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Содержание 3541

Страница 1: ...1 Sealevel Systems Inc 3541 Manual SL9150 12 2022 C4 104 ULTRA User Manual 3541 ...

Страница 2: ... CARD SETUP 5 INSTALLATION 9 PHYSICAL INSTALLATION 10 TECHNICAL DESCRIPTION 11 SPECIFICATIONS 12 APPENDIX A TROUBLESHOOTING 13 APPENDIX B HOW TO GET ASSISTANCE 14 APPENDIX C ELECTRICAL INTERFACE 15 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 16 APPENDIX E SILK SCREEN 17 APPENDIX F COMPLIANCE NOTICES 18 WARRANTY 19 ...

Страница 3: ...n Additionally the C4 104 ULTRA allows RS 485 network termination critical to robust multi drop communication to be selectively added to the circuit via a simple software command The RS 232 compatibility allows for connection to devices utilizing the RS 232 electrical interface such as modems data entry terminals and plotters RS 422 provides excellent communications for long distance device connec...

Страница 4: ...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 Important The middle level of importance used to highlight information that might not seem obvious or a situation that could cause the product to fail Note The lowest level of importance used to provide background information additional tips or other n...

Страница 5: ...ON OFF 3220 3230 3240 3250 ON ON ON 4220 4230 4240 4250 Figure 1 Address Selection Table Refer to Appendix A for common address contentions Port Enable Disable All four ports on the can be enabled or disabled by setting the three switches in the Off position The port is enabled when a valid I O selection is made If the adapter is disabled be sure to disable the interrupt request by removing the IR...

Страница 6: ...or This is eight times faster than the standard COM port oscillator which typically is 1 8432 MHz This allows the adapter to achieve a maximum data rate of 921 6Kbps The following sections outline the baud rate calculations and instructions for achieving your desired baud rate Baud Rates and Oscillator value The following table shows some common data rates and the rates you should choose to achiev...

Страница 7: ... the appropriate divisor from the following table For this Data Rate Choose this Divisor 1200 bps 768 2400 bps 384 4800 bps 192 9600 bps 96 19 2K bps 48 38 4K bps 24 57 6K bps 12 115 2K bps 8 230 4K bps 4 460 8K bps 2 921 6K bps 1 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 ...

Страница 8: ...rol port It is completely software selectable thus reducing the complexity of cabling typically found in RS 485 implementations Typically a 120 ohm resistor is across each RS 422 485 input in addition to a 1K ohm pull up pull down combination that biases the receiver inputs The C4 104 ULTRA mimics this typical termination electrically If multiple C4 104 ULTRA adapters are configured in an RS 485 n...

Страница 9: ...w the information presented on the screens that follow 5 A screen may appear 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 simply means that the operating system is not aware of the driver being loaded It will not cause any harm to your system 6 During...

Страница 10: ...damage to the connectors After the adapter is installed connect your I O cable to P1 Please note these headers are keyed so that pin 1 of the cable matches pin 1 of the connector Refer to Card Setup for information on setting the address and IRQ before inserting the adapter onto the stack 1 Turn off PC power Disconnect the power cord 2 Remove the case cover if applicable 3 Gently insert the adapte...

Страница 11: ...S2 TX2 34 2 RD1 RX1 21 2 RD2 RX2 31 8 CTS1 RX1 24 8 CTS2 RX2 29 9 RI1 26 9 RI2 30 4 DTR1 25 4 DTR2 35 6 DSR1 20 6 DSR2 36 1 DCD1 19 1 DCD2 Port 3 Port 4 P1 Pin DB 9 RS 232 RS 422 485 P1 Pin DB 9 RS 232 RS 422 485 10 5 GND3 GND3 9 5 GND4 GND4 14 3 TD3 TX3 5 3 TD4 TX4 15 7 RTS3 TX3 4 7 RTS4 TX4 16 2 RD3 RX3 3 2 RD4 RX4 11 9 RI3 6 8 CTS4 RX4 12 4 DTR3 8 9 RI4 17 6 DSR3 7 4 DTR4 18 1 DCD3 1 1 DCD4 2 6...

Страница 12: ...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 Consumption Supply line 5 VDC Rating 400 mA Physical Dimensions The SI0 104 is PC 104 Compliant meaning that it conforms to all non optional aspects of the PC 104 Specification including both the mechanical and...

Страница 13: ...ard header block Refer to the section on Card Setup for help in choosing an I O address and IRQ 5 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 6 If you are utilizing an operating system prior to Windows 7 please contact Sealevel s Technical support as directed below to receive more information regarding the utility software which will determine if your product...

Страница 14: ...n 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 4 Sealevel Systems maintains a web page on the Internet Our home page address is https www sealevel com The latest software updates and newest manuals are available via our web site 5 Technical support is available Monday to Friday from 8 00 A M to 5 00 P M ...

Страница 15: ... the logic levels as the difference in voltage between a single signal and a common ground connection Differential interfaces are typically more immune to noise or voltage spikes that may occur on the communication lines Differential interfaces also have greater drive capabilities that allow for longer cable lengths RS 422 is rated up to 10 Megabits per second and can have cabling 4000 feet long R...

Страница 16: ...defined 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 3 Asynchronous Communications Bit Diagram This special bit is called the parity bit Parity is a simple method of determining if a data bit has been lost or corrupted during transmission There are several methods for implementing a parity check to guard against data cor...

Страница 17: ...17 Sealevel Systems Inc 3541 Manual SL9150 12 2022 Appendix E Silk Screen ...

Страница 18: ...ed to correct the interference at the users expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 23 EEC issued by the European Commission To obey these directives the following European standards must be met EN55022 Class A Limits and methods of measurement of radio interference characteristics of...

Страница 19: ...anty 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 prepay shipping charges to Sealevel and to use the original shipping container or equivalent Warranty is valid only for original purchaser and is not transferable This warranty applies to Sealevel manufa...

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