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communication technology

2010-08-15View Original

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Siemens S7-400 485 communication programming, how to configure the 485 module to communicate with field instruments. Thanks!
Reply #22010-08-16
485 with live table? What kind of instrument can't be transmitted by analog quantity?
Reply #32010-08-16
Does the poster mean that the field instrument industry has an RS485 communication interface, and he wants to use the method of direct communication between the field instrument and the PLC to collect data?
Reply #42010-08-17
Reply 3# zyz8438 uses 485 communication method to communicate with the field instrument and PLC to display the field instrument parameters.

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Translated at 2026-07-27 02:20:59

Original: https://bbs.hcbbs.com/thread-716941-1-1.html

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