Table of Contents
8.10.1.15 Web API — Details ....................................................... 435
8.10.2 DNP3 — Details....................................................................... 436
8.10.3 Modbus — Details ................................................................... 436
8.10.3.1 Modbus Terminology .................................................... 437
8.10.3.1.1 Glossary of Modbus Terms ................................. 437
8.10.3.2 Programming for Modbus .............................................. 438
8.10.3.2.1 Declarations (Modbus Programming) ................. 438
8.10.3.2.2 CRBasic Instructions (Modbus) .......................... 439
8.10.3.2.3 Addressing (ModbusAddr) ................................. 439
8.10.3.2.4 Supported Modbus Function Codes .................... 440
8.10.3.2.5 Reading Inverse Format Modbus Registers ........ 440
8.10.3.2.6 Timing................................................................. 441
8.10.3.3 Troubleshooting (Modbus) ............................................ 441
8.10.3.4 Modbus over IP ............................................................. 441
8.10.3.5 Modbus Security ............................................................ 441
8.10.3.6 Modbus Over RS-232 7/E/1 .......................................... 442
8.10.3.7 Converting Modbus 16-Bit to 32-Bit Longs .................. 442
8.11 Keyboard/Display — Details .......................................................... 443
8.11.1 Character Set ............................................................................ 444
8.11.2 Data Display ............................................................................. 446
8.11.2.1 Real-Time Tables and Graphs ....................................... 447
8.11.2.2 Real-Time Custom ......................................................... 447
8.11.2.3 Final-Storage Data ......................................................... 449
8.11.3 Run/Stop Program .................................................................... 450
8.11.4 File Management ...................................................................... 451
8.11.4.1 File Edit ......................................................................... 451
8.11.5 Port Status and Status Table ..................................................... 453
8.11.6 Settings ..................................................................................... 454
8.11.6.1 CR1000KD: Set Time / Date ......................................... 454
8.11.6.2 CR1000KD: PakBus Settings ........................................ 454
8.11.7 Configure Display .................................................................... 455
8.12 CPI Port and CDM Devices — Details ........................................... 455
9. Maintenance — Details ........................................... 457
9.1 Protection from Moisture — Details ............................................... 457
9.2 Internal Battery — Details ............................................................... 457
9.3 Factory Calibration or Repair Procedure ......................................... 461
10. Troubleshooting ..................................................... 463
10.1 Troubleshooting — Essential Tools ................................................ 463
10.2 Troubleshooting — Basic Procedure ............................................... 463
10.3
Troubleshooting — Error Sources ................................................... 464
10.4 Troubleshooting — Status Table ..................................................... 465
10.5 Troubleshooting — CRBasic Programs .......................................... 465
10.5.1 Program Does Not Compile ..................................................... 465
10.5.2 Program Compiles / Does Not Run Correctly .......................... 466
10.5.3 NAN and ±INF ......................................................................... 466
10.5.3.1 Measurements and NAN ................................................ 466
10.5.3.1.1 Voltage Measurements ....................................... 467
10.5.3.1.2 SDI-12 Measurements ........................................ 467
10.5.3.2 Floating-Point Math, NAN, and ±INF ........................... 467
10.5.3.3 Data Types, NAN, and ±INF ......................................... 467
10.5.3.4 Output Processing and NAN.......................................... 469
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