Instruction Manual - Sierra Instruments

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Sierra Instruction Manual SmartTrak ® Series 100Appendix G: PIN Configuration (same for all 100 Series)Figure 2-4: Wiring Definitions for Optional Communication CablePin # Wire Color in Cable Function1. Brown Analog Ground/Output2. Red 0-5 VDC Output (or 0-10, 1-5 VDC)3. Orange Analog Ground/RS2324. Pink Valve Override Purge5. Yellow Power Return (-)6. Green Power Input (+)7. Green/White RS-232 Transmit (out)8. Blue Setpoint9. Purple Not Used10. Gray Analog Ground/Setpoint11. White Reference Voltage(5 VDC External Setpoint & Valve Purge)12. Black Valve Override Close13. Brown/white RS-232 Receive (in)14. Red/white 4-20 mA Output15. Red/Black Not UsedShield Wire(no insulation)Chassis (Earth) GroundNOTE: Pins 1, 3, and 10 are connected together inside the instrument. Do not tie thesegrounds together outside the instrument. Must have one connection per analog ground.Recommended use listed.NOTE: Unused cable wires should be isolated and insulated from one another ordamage could occur.92
Sierra Instruction Manual SmartTrak ® Series 100Appendix H: SmartTrak Basic Commands (same for all 100Series)IMPORTANT CUSTOMER NOTICEThis document is for firmware version 2.044. Sierra Instruments, Inc. reserves the right tochange the command set without notification to the user. However, Sierra will also make everyeffort to maintain backwards compatibility with previously published command sets forSmartTrak ® . There is no implied warranty or guarantee regarding the use of this commands set.Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resultingfrom the use of this command set.PROTOCOLThe SmartTrak communication is based on a standard RS232 port. All bytes are ASCII exceptthe two CRC bytes used for a redundancy check. Each command starts with four bytes ofcommand type, followed by a variable length value section. The two CRC bytes follow thevalue string and a carriage return ends the string. Each command string will vary in length but,can not exceed 26 bytes.Command String = {4 command bytes + variable length value + 2 CRC bytes + carriage return}< 26 bytes.The RS232 port does not depend on hardware handshaking and uses only three wires on the port:transmit, receive and ground. The port on the host needs to be configured to (9600,n,8,1) : 9600baud, no parity, eight bit characters, one stop bit.DESCRIPTIONCommands for the Meter. There are SmartTrak commands (version 1.xx), SmartTrak 2commands (version 2.xx), and SmartTrak 100 commands (2.xx). The 2.xx commandswill support some of the 1.xx commands. If a 1.xx commands is not shown below, it isnot supported in the 2.xx commands. CMNDS is a class included in the class of Meter.This page shows all types, fields, and values as derived from Meter. Version 2.xxcommands that start with a '?' are read commands and commands that start with a '!' arewrite commands. This is list of the most commonly used commands, which are relativesafe.93
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Instruction Manual - Sierra Instruments

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