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Modbus FAQ

... I connect MODBUS devices together in a network? RS-232 outputs cannot be connected together. To create a network the ... 9. What are RS-232, RS-422 and RS-485 and how are they different? These are standards ... transmission baud rates and parity checking. RS-232 only allows for one master and one slave and is limited to distances of ...

Story - Tim Young - 2006-06-01 22:05 - 3 comments

Allen Bradley's PLC Programming Handbook

... RSLinx sets up communication between the PC and the RS-232 port or the interface card How would i go about writing How would ...

Book page - Tim Young - 2007-01-22 10:26 - 89 comments

Install and Test a MVI46-MCM Modbus Module for SLC-500

... as shown in the diagram above.  We will be using the RS-232 interface, so check that the PRT2 and PRT3 jumpers are positioned as shown above so the module will communicate in RS-232 mode. NOTE:   For this step, and at any time when you are ...

Book page - Tim Young - 2011-05-19 20:12 - 0 comments

Siemens Technical Terms

... a PC PPI Point to Point Interface Serial RS-232 communication Profibus DP Profibus Decentral Peripherals ...

Book page - Tim Young - 2006-09-25 06:36 - 2 comments