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Section 15. Alternate Telecoms Resource Library
142
•
05 Force Single Coil
•
15 Force Multiple Coils
•
16 Force Multiple Registers
15.1.3.5 Reading Inverse Format Registers
Some Modbus devices require reverse byte order words (CDAB vs. ABCD).
This can be true for either floating point, or integer formats. While other
CRBasic dataloggers, such as the CR1000, can use the MoveBytes() instruction
to output reverse byte order words, the CR200(X) does not have that capability.
If reverse byte order words are required, either the master has to make an
adjustment, which is sometimes possible, or the CR200(X) needs to replaced
with a datalogger that supports the MoveBytes() instruction.
15.1.4 Troubleshooting
Test Modbus functions on the CR200(X) with third party Modbus software.
Further information is available at the following links:
•
www.simplyModbus.ca/FAQ.htm
(
http://www.simplymodbus.ca/faq.htm
)
•
www.Modbus.org/tech.php
(
http://www.modbus.org/tech.php
)
•
www.lammertbies.nl/comm/info/modbus.html
(
http://www.lammertbies.nl/comm/info/modbus.html
)
Содержание CR200
Страница 32: ...Section 2 Quickstart Tutorial 22 ...
Страница 45: ...Section 3 Overview 35 3 3 Specifications ...
Страница 46: ...Section 3 Overview 36 ...
Страница 58: ...Section 4 Sensor Support 48 ...
Страница 62: ...Section 5 Measurement and Control Peripherals 52 ...
Страница 78: ...Section 8 CR200 X Configuration 68 ...
Страница 102: ...Section 9 Programming 92 ...
Страница 138: ...Section 11 Programming Resource Library 128 ...
Страница 156: ...Section 16 Support Software 146 ...
Страница 160: ...Section 17 Care and Maintenance 150 ...
Страница 166: ...Section 18 Troubleshooting 156 18 3 3 Diagnosis and Fix Procedures 18 3 3 1 Battery Voltage Test ...
Страница 167: ...Section 18 Troubleshooting 157 18 3 3 2 Charging Circuit Test Solar Panel ...
Страница 168: ...Section 18 Troubleshooting 158 18 3 3 3 Charging Circuit Test Transformer ...
Страница 169: ...Section 18 Troubleshooting 159 18 3 3 4 Adjusting Charging Circuit Voltage ...
Страница 170: ...Section 18 Troubleshooting 160 ...
Страница 184: ...Appendix A Glossary 14 ...
Страница 190: ...Appendix B Status Table and Settings 20 ...
Страница 192: ...Appendix C Serial Port Pin Outs 22 ...
Страница 211: ......