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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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WARRANTY AND ASSISTANCE The CR10 MEASUREMENT AND CONTROL MODULE is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and workmanship under normal use and service for thirty-six (36) months from date of shipment unless specified otherwise. Batteries have no warranty. CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products. The customer shall assume all costs of removing,
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CR10 MEASUREMENT AND CONTROL MODULE TABLE OF CONTENTS PAGE OV1. PHYSICAL DESCRIPTION OV1.1 Wiring Panel........................................................................................................................ OV-1 OV1.2 Connecting Power to the CR10 .......................................................................................... OV-5 OV2. MEMORY AND PROGRAMMING CONCEPTS OV2.1 Internal Memory ...............................................................................
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CR10 TABLE OF CONTENTS 2. INTERNAL DATA STORAGE 2.1 Final Storage Areas, Output Arrays, and Memory Pointers .................................................. 2-1 2.2 Data Output Format and Range Limits .................................................................................. 2-3 2.3 Displaying Stored Data on Keyboard/Display - *7 Mode....................................................... 2-3 3. INSTRUCTION SET BASICS 3.1 Parameter Data Types............................................
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CR10 TABLE OF CONTENTS PROGRAM EXAMPLES 7. MEASUREMENT PROGRAMMING EXAMPLES 7.1 Single-Ended Voltage - LI200S Silicon Pyranometer............................................................ 7-1 7.2 Differential Voltage Measurement ......................................................................................... 7-2 7.3 Thermocouple Temperatures Using the Optional CR10TCR to Measure the Reference Temperature..................................................................................
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CR10 TABLE OF CONTENTS MEASUREMENTS 13. CR10 MEASUREMENTS 13.1 Fast and Slow Measurement Sequence.............................................................................. 13-1 13.2 Single-Ended and Differential Voltage Measurements........................................................ 13-2 13.3 The Effect of Sensor Lead Length on the Signal Settling Time........................................... 13-3 13.4 Thermocouple Measurements ........................................................
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CR10 TABLE OF CONTENTS LIST OF TABLES .......................................................................................................................... LT-1 LIST OF FIGURES ........................................................................................................................ LF-1 INDEX ................................................................................................................................................... I-1 v
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CR10 TABLE OF CONTENTS This is a blank page. vi
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SELECTED OPERATING DETAILS 1. Storing Data - Data are stored in Final 7. ALL memory can be erased and the Storage only by Output Processing CR10 completely reset by entering 1986 for Instructions and only when the Output Flag the number of bytes left in Program is set. (Sections OV4.1.1 and OV4.2.1) Memory. (Section 1.5.2) 2. Storing Date and Time - Date and time 8. The set of instructions available in the are stored with the data in Final Storage CR10 is determined by the PROM ONLY if the Rea
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CAUTIONARY NOTES 1. Damage will occur to the analog input 5. Voltages in excess of 5.5 volts applied to a circuitry if voltages in excess of ±16 V are control port can cause the CR10 to applied for a sustained period. Voltages in malfunction. excess of ±5V will cause errors and possible overranging on other analog input 6. Voltage pulses can be counted by CR10 channels. Pulse Counters configured for High Frequency Pulses. However, when the 2. When using the CR10 with the PS12LA, pulse is ac
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CR10 MEASUREMENT AND CONTROL MODULE OVERVIEW Campbell Scientific Inc. provides four aids to understanding and operating the CR10: 1. PCTOUR 2. This Overview 3. The CR10 Operator's Manual 4. The CR10 Prompt Sheet PCTOUR is a computer-guided tour of CR10 operation and the use of the PC208 Datalogger Support Software. Much of the material in this Overview is covered in PCTOUR. A copy of PCTOUR is included with every datalogger or PC208 order. This Overview introduces the concepts required to take
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CR10 OVERVIEW OV-2
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CR10 OVERVIEW FIGURE OV1.1-1. CR10 and Wiring Panel OV-3
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CR10 OVERVIEW FIGURE OV1.1-2. CR10 Wiring Panel/Instruction Access OV-4
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CR10 OVERVIEW OV-5
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CR10 OVERVIEW OV1.1.1 ANALOG INPUTS OV1.1.6 12V AND POWER GROUND (G) TERMINALS The terminals labeled 1H to 6L are analog The 12V and power ground (G) terminals are inputs. These numbers refer to the high and used to supply 12V DC power to the low inputs to the differential channels 1 through datalogger. The extra 12V and G terminals can 6. In a differential measurement, the voltage on be used to connect other devices requiring 12V the H input is measured with respect to the power. voltage o
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CR10 OVERVIEW OV1.2 CONNECTING POWER TO THE CR10 OV2.1 INTERNAL MEMORY The CR10 has 64K bytes of Random Access The CR10 can be powered by any 12VDC source. First connect the positive lead from the Memory (RAM), divided into five areas. The power supply to one of the 12V terminals and use of the Input, Intermediate, and Final then connect the negative lead to one of the Storage in the measurement and data power ground (G) terminals. The Wiring Panel processing sequence is shown in Figure pow
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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 Control (4) the Input Storage Location (5) the sensor calibration constants used to convert the sensor output to engineering units I/O Instructions also control analog outputs and digital control ports. INPUT STORAGE PROCESS
