Campbell Scientific CR23X Micrologger - Manual (Page 4)

CR23X TABLE OF CONTENTS
ii
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 - 7 Mode ................................................................................. 2-3
3. INSTRUCTION SET BASICS
3.1 Parameter Data Types........................................................................................................... 3-1
3.2 Repetitions (Reps) ................................................................................................................. 3-1
3.3 Entering
Negative Numbers................................................................................................... 3-1
3.4 Indexing Input Locations and Control Ports........................................................................... 3-1
3.5 Voltage Range and Overrange Detection.............................................................................. 3-2
3.6 Output Processing ................................................................................................................. 3-2
3.7 Use of Flags: Output and Program Control .......................................................................... 3-3
3.8 Program Control Logical Constructions ................................................................................. 3-4
3.9 Instruction Memory and Execution Time ............................................................................... 3-5
3.10 Error Codes............................................................................................................................ 3-9
DATA RETRIEVAL/COMMUNICATION
4. EXTERNAL STORAGE PERIPHERALS
4.1 On-Line Data Transfer - Instruction 96 .................................................................................. 4-1
4.2 Manually Initiated Data Output - 8 Mode ..................................................................... 4-3
4.3 Printer Output Formats .......................................................................................................... 4-3
4.4 Storage Module...................................................................................................................... 4-4
4.5 9 Mode -- SM192/716 Storage Module Commands .................................................... 4-6
5. TELECOMMUNICATIONS
5.1 Telecommunications Commands .......................................................................................... 5-1
5.2 Remote
Programming of the CR23X ..................................................................................... 5-6
6. 9-PIN SERIAL INPUT/OUTPUT
6.1 Computer RS-232 9-Pin Description ..................................................................................... 6-1
6.2 CS I/O 9-Pin Description........................................................................................................ 6-1
6.3 Use of Instruction 96 .............................................................................................................. 6-9
PROGRAM EXAMPLES
7. MEASUREMENT PROGRAMMING EXAMPLES
7.1 Single-Ended Voltage/Switched 12 V Terminal - CS500....................................................... 7-1
7.2 Differential Voltage Measurement ......................................................................................... 7-3
7.3 Thermocouple Temperatures Using CR23X Reference........................................................ 7-3
7.4 Thermocouple Temperatures Using an External Reference Junction .................................. 7-3
7.5 107 Temperature Probe......................................................................................................... 7-4
7.6 Anemometer with Photochopper Output................................................................................ 7-4
7.7 Tipping Bucket Rain Gage with Long Leads ......................................................................... 7-5
7.8 100 ohm PRT in 4 Wire Half Bridge....................................................................................... 7-5
7.9 100 ohm PRT in 3 Wire Half Bridge....................................................................................... 7-6
7.10 100 ohm PRT in 4 Wire Full Bridge ....................................................................................... 7-7
7.11 Pressure Transducer - 4 Wire Full Bridge ............................................................................. 7-8