Apollo IMY instruction manual Timing Diagrams

Page 31

If illegal commands or characters are sent to the IM, an asterisk (*) must be sent to clear the input buffer. The IM will not respond to an illegal or incomplete transmission. The diagrams show the difference in the timing considerations for either Abbreviated or Full Character Transmission, or if a Reset Command is issued.

Timing Diagrams

(Abbreviated Transmission Selected)

Timing Diagrams

(Full Transmission Selected)

Note: If Full Transmission is selected and the front panel is being accessed at the time of transmission, the IM may take as long as 2 seconds to respond.

Reset Command

Independent of Type

of Transmission Selected

-29-

Image 31
Contents Apollo Intelligent Meter Series Introduction Table of Contents Page Safety Summary Safety InformationDefinition of Terms Theory of Operation General DescriptionBlock Diagram Programming the IMY Programming and Operating the IMYDisplay Module #2 Program Temperature Display Offset and Slope Reset PEAK/VALLEY Memory Buffer Display Alarm ValuesEnter Alarm Values Reset Latched AlarmsEnter Offset Value Temperature Offset ValueProgram Digital Filtering Module #4 Program Digital Filter and Remote InputProgram Function of E1-CON and Optional E2-CON Cont’d Program Decimal Point Position for the INTEGRATOR/TOTALIZER Module #5 Program INTEGRATOR/TOTALIZERProgram INTEGRATOR/TOTALIZER Time Base Module #6 Program ALARM/SETPOINT Program Value for Alarm #2 Alarm #2 Assignment to Input or INTEGRATOR/ TotalizerAlarm #2 High or LOW Acting Full or Abbreviated Transmission Baud RateUnit Address Number Print Request FunctionAnalog Output HI Display Value Module #8 Program RE-TRANSMITTED Analog OutputAnalog Output Source Analog Output LO Display ValueApply Precision Resistance Module #9 Service OperationsEnter Access Code Enter Zero ReferenceQuick Programming Operating the IMYSlope Factory ConfigurationProgramming Example Temperature Monitoring Example INTEGRATOR/TOTALIZER Offset and Slope Display TemperaturePEAK/VALLEY Basic SET-UP INTEGRATOR/TOTALIZER ExampleINTEGRATOR/TOTALIZER SET-UP 125 x 827 Alarm Timing Diagrams Alarms OptionalCommunication Format General DescriptionCommand String Examples Sending Commands to the IMYTiming Diagrams Serial Terminal Descriptions Current Loop InstallationWiring Connections Receiving Data from the IMYSerial Communications Examples Connecting to AN RLC PrinterProcess Controlling System RE-TRANSMITTED Analog Output Optional To 20 mA Calibration Analog Output CalibrationInstallation Environment Appendix a Installation & ConnectionsSelect AC Power 115/230 VAC EMC Installation Guidelines Power Wiring Wiring ConnectionsOpen Thermistor Detection Display Ululul Appendix B Specifications and DimensionsTo 20 mA Certifications and Compliances Safety Problem Possible Cause Remedies Appendix C Troubleshooting GuideDecimal Point Positon Appendix D Programmable FunctionsAppendix D Programmable Functions Cont’d E2-CON Appendix E Ordering InformationLimited Warranty IMY/IM-A 3/02 Drawing NO. LP0311