CTH200 Series PLC User Manual
Appendix
A Using CT-MODBUS Master and Slave Libraries
A.1 CT_MODBUS library
4 libraries in all, which is master and slave libraries for PORT0 and PORT1.
CT_MODBUS function mainly used for Siemens CPU program and data. CT_MODBUS function
block is built-into the CPU, not require data space, provided for user as a set of functions.
To get free libraries, visit at http://www.co-trust.com
A.2 Installation Instruction
【Add library file】
In the “File”--“Add/Delete Library”, locate the file “ct_mbus_master.mwl”&“ct_mbus_slave.mwl”,
as shown in the below figure:
Click “Add” after you find “ct_mbus_master.mwl” and “ct_mbus_slave.mwl”