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Campbell CR10 Operator's Manual

Measurement and control module
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CR10 MEASUREMENT AND CONTROL MODULE
OPERATOR'S MANUAL
REVISION: 3/96
COPYRIGHT (c) 1987-1996 CAMPBELL SCIENTIFIC, INC.

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  • Page 1 CR10 MEASUREMENT AND CONTROL MODULE OPERATOR'S MANUAL REVISION: 3/96 COPYRIGHT (c) 1987-1996 CAMPBELL SCIENTIFIC, INC.
  • Page 2 This is a blank page.

  • Page 3: Cr10 Measurement And Control Module Overview

    CR10 measurement procedures. The Prompt Sheet is an abbreviated description of the programming instructions. Once familiar with the CR10, it is possible to program it using only the Prompt Sheet as a reference, consulting the manual if further detail is needed.
  • Page 4 CR10 OVERVIEW FIGURE OV1.1-1. CR10 and Wiring Panel OV-2...
  • Page 5 CR10 OVERVIEW FIGURE OV1.1-2. CR10 Wiring Panel/Instruction Access OV-3...
  • Page 6 CR10 For protection against transient voltage spikes, analog ground (AG). The single-ended...

  • Page 7: Ov1.2 Connecting Power To The Cr10

    CR10 OVERVIEW OV1.2 CONNECTING POWER TO THE CR10 OV2.1 INTERNAL MEMORY The CR10 can be powered by any 12VDC The CR10 has 64K bytes of Random Access source. First connect the positive lead from the Memory (RAM), divided into five areas. The...
  • Page 8 CR10 OVERVIEW INPUT/OUTPUT INSTRUCTIONS Sensors Specify the conversion of a sensor signal to a data value and store it in Input Storage. Programmable entries specify: (1) the measurement type (2) the number of channels to measure (3) the input voltage range...
  • Page 9 CR10 OVERVIEW OV2.2 CR10 INSTRUCTION TYPES Final processing occurs only when the Output Flag is high. The Output Processing Figure OV2.1-1 illustrates the use of three Instructions check the Output Flag. If the different instruction types which act on data.

  • Page 10: Ov2.3.2. The Output Interval

    Program Control Instruction checking a modes may be entered, including the mode in output condition, followed by Output Processing which programs may be keyed in to the CR10 Instructions defining the data set to output. from the computer/terminal. Campbell Scientific's PC208 Datalogger...

  • Page 11: Ov3.3 Ascii Terminal Or Computer With Terminal Emulator

    The SC12 Two Peripheral cable which comes computers and terminals. with the SC32A is used to connect the serial I/O port of the CR10 to the 9 pin port of the SC32A The SC12 Two Peripheral cable which comes labeled "Datalogger". Connect the with the SC32A is used to connect the serial I/O "Terminal/Printer"...

  • Page 12: Ov4. Programming The Cr10

    State. At this point, the CR10 can be controlled functions. In some cases, the exact action of a using the Keyboard Commands described in key depends on the mode the CR10 is in and is Section OV4. For additional information on described with the mode in the manual.

  • Page 13: Ov4.3 Programming Sequence

    1. Enter the execution interval. In most cases, number. Each instruction has a number of the execution interval is determined by the parameters that give the CR10 the information it desired sensor scan rate. needs to execute the instruction. 2. Enter the Input/Output instructions required The CR10 Prompt Sheet has the instruction to measure the sensors.

  • Page 14: Ov4.5 Entering A Program

    OV5. PROGRAMMING EXAMPLES OV4.5 ENTERING A PROGRAM We will start with a simple programming Programs are entered into the CR10 in one of example. There is a brief explanation of each three ways: step to help you follow the logic. When the example uses an instruction, find it on the 1.
  • Page 15 01:10 This command sets the program instruction. Output Flag. (Flag 0) The CR10 is now programmed to read the internal 03:P00 Enter 10 and advance to temperature every 5 seconds and place the third program instruction.
  • Page 16 TC output curve (Section 13.4). 01: 0102 Advance to the first value, the Output Array The internal temperature of the CR10 is not a ID. 102 indicates the suitable reference temperature for precision Output Flag was set by the second instruction in thermocouple measurements.

  • Page 17: Ov5.3 Editing An Existing Program

    3, the final measurement will be stored in OV5.3 EDITING AN EXISTING PROGRAM location 7). Parameters 7 and 8 are the When editing an existing program in the CR10, multiplier and offset. A multiplier of 1 and an entering a new instruction inserts the offset of 0 outputs the reading in degrees C.

  • Page 18: Sample Program

    03:10 Set Output Flag 0 The CR10 is programmed to measure the thermocouple temperature every sixty seconds. The If Time instruction sets the Output Flag at the beginning of every hour. Next, the Output Instructions for time and average are added.

  • Page 19: Ov6. Data Retrieval Options

    Sections 2, 4, and 5. Figure OV6.1-1 control or by regularly scheduled polling of summarizes the various possible methods. the dataloggers. Campbell Scientific's TELCOM program automates this process Regardless of the method used, there are three for IBM PC/XT/AT/PS-2's and compatibles.
  • Page 20 CR10 OVERVIEW TABLE OV6.1-1. Data Retrieval Methods and Related Instructions Storage Printer, other Telecommunications Module Serial Device (RF, Phone, Short Haul, SC32A) Inst. 96, Inst. 96, Inst. 97 Inst. 98, (Telecommunications Commands) TABLE OV6.1-2. Data Retrieval Sections in Manual Instruction or Mode Section in Manual 4.1, 12...
  • Page 21 CR10 OVERVIEW FIGURE OV6.1-1. Data Retrieval Hardware Options OV-19...
  • Page 22 CR10 OVERVIEW OV7. SPECIFICATIONS OV-20...

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