Command 1027 ‘Manual’ Handshake Mode | Campbell Hausfeld SDM-SIO4

SDM-SIO4 User Guide

Break reset:

0Do nothing

1Reset line break count to zero

Framing reset:

0Do nothing

1Reset framing error count to zero

Overrun reset:

0Do nothing

1Reset overrun error count to zero

Parity reset:

0Do nothing

1Reset parity error count to zero

5.2.18Command 1027: ‘Manual’ Handshake Mode

In this mode, the datalogger can set DTR, RTS and XON/XOFF as required.

Not used - set to zero. XON/XOFF

RTS

DTR

x x x x

XON/XOFF:

0Leave as set previously

1XOFF data (stop data transmission from SDM-SIO4)

2XON data (restart data transmission from SDM-SIO4)

RTS:

0Leave as set previously

1Clear RTS to low

2Set RTS to high

DTR:

0Leave as set previously

1Clear DTR to low

2Set DTR to high

Values per repetition = 0

NOTE A 2ms delay is required after this command before the next

SDM-SIO4 command is started.

5.2.19 Command 2049: Set Communications Parameters

This command sets the baud rate, data length, stop bits, parity and handshake mode as follows (please refer to Appendix B for a more detailed explanation):

Values per repetition = 0

5-10

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Campbell Hausfeld SDM-SIO4 manual Command 1027 ‘Manual’ Handshake Mode, Command 2049 Set Communications Parameters

Contents

Issued Page Guarantee Page Contents Data Error Detection Appendix A. Ascii Table What is the SDM-SIO4? Introduction Datalogger Command Control Specifications SDM-SIO4 Serial Port Pin ConfigurationSerial Ports Serial Port Buffers Power Requirements SDM PortCase Environmental Operating Range Other Key Features Page Installation and Hardware Set-Up Setting the SDM AddressAddress Settings Selector Block Settings SDM Address Connections to the SDM-SIO4 Selecting RS232 or 5V Logic for Each PortTransient Protection and Grounding Status LED Error Codes Power-on Tests the Status LEDNo. of Flashes Description of error/status Page Introduction Understanding How the SDM-SIO4 Handles DataMethod of Entering Special / Control Characters Filter Types Input FiltersSimple Filters Filter Strings Ibn8Ficn8F Output Formatting Simple Output FormatterPredefined Filter Strings Filter No Filter String Used Output Format Strings Fmtst 123 z261 f62 iBattery z257 f61z273 CR10X Program Example Get battery voltage Get panel temperature Entering Commands Command Line Operation and StructureProgramming the SDM-SIO4 Basic Commands Advanced Commands Errorres Hexdump start address number of bytesBytewr address byte WD n Wderr n Wdaddr n Testio test# Testio returnsPage Programming the Datalogger Instruction 113 Parameters Commands and Options Parameters 4, 5 Parameter 7 Values per RepParameter 8 Starting Input Location Parameters 9 and 10 Multiplier and Offset Command 1 Poll of Available Data Understanding Parameter Options and Returned Values Command 2 Signatures Command 3 Flush all Receive BuffersCommand 4 Send Data to Datalogger Command 5 Status Command 6 Flush Transmit Buffer Command 7 Activate Command LineCommand 8 Poll Tx Buffers for Data Command 9 Flush Converted Data Buffer Command 67 Get Return Code Command 320 Send Byte Data to SDM-SIO4Command 321 Execute Command Line Command Program Example for P113 Command Execute the command line string Command 1024 Send String to Device Command 1025 Transmit a ByteCommand 1026 Serial Port Status First Value Returned First Command Option Reset Error Counters Second Value ReturnedThird Value Returned Fourth Value Returned Command 1027 ‘Manual’ Handshake Mode Command 2049 Set Communications Parameters First Command Option Parameter Second Command Option Parameter Command 2054 Set Up Receive Filter String Number or Character Code Command 2305 Transmit Bytes SDM-SIO4 Configuration ExamplesExample CR10X Program Set flag one high so the above will only be done once End of serial and filter setupGet two floating point numbers into locations 1 Example CR10X Program Using Instruction P113 Command Strst 101 Send DataJM Set up the filter and then send string Wait long enough for sensor to send data Sensors Which Send Data Out Without Prompting Get data from SDM-SIO4 and put into locations 1Time stamp Instantaneous sample form the sensor Example CR10X Program without Polling or Interrupts Fltst 200 tdataA5xff Example CR10X Program using the Polling Method End of set upGet the two floating point values from the SDM-SIO4 Instantaneous values stored to final storage Set up string filter Delay required by filter set-up commandDo filter set-up only if flag one is clear Set flag one high so the filter set-up is only done once Get voltages into locations 3 and 4 if poll was true Example CR10X Program using InterruptsInstantaneous value stored into final storage Delay required by filter setup command Do filter setup only if flag one is clearSet control port 8 to i/p so it can be used as an interrupt Interrupt routine for control port Get voltages into locations 3Instantaneous readings stored into final storage End of interrupt routine Outputting Datalogger Data Return Error Codes Flushing the Input and Output Buffers Error Detection with the SDM-SIO4 Data Error DetectionReceived Data SDM-SIO4 User Guide 2 CR10X Program Example Example of Using Received Data FiltersFltst 100 TFrequency=xg2n10fCCG8 End of filter setup Minimum delay of 4ms is required by the above P113Tell the SDM-SIO4 to use filter string End of get data Transmitted Data CRC32 Example of Using Transmitted Data Filters Fmtst 100 g1i123456789G8 Alternative CR10X Program Fmtst 100 g1 Fmtst 101 isome data Fmtst 102 f62 G8 Use formatter string 100 to set up the CRC16 on port Minimum delay of 1ms is required after this commandMinimum delay of 3.8ms is required after this command Send the Ascii characters ‘Y’ and ‘Z’ to port CRC16-CCITT-IBM Data Error Detection Page Appendix A. Ascii Table Dec CharPage Appendix B. Serial Port Data Transfer Modes Baud ratesStop Bits Data Length Parity Bits Serial Handshake Modes