![]() ![]() With some converter models Echo can be changed by soldering, but to keep things simple, this procedure does not cover that option. Refer to the Table for a list of models with a easily moved Echo/RX Enable Switch or Jumper. When you're using a RS-485 converter that can be set up for 2-wire or 4-wire RS-485 operation, the RS-485 Receiver can be enabled (Echo On or RS-422 RX Enable) as in 4-wire mode, and the TD(A) & RD(A) connected, and the TD(B) & RD(B) connected as in 2-wire mode, to "loop" the output back to the inputs. This article gives detailed instructions on how to do that in a two-wire system. Have you ever been stuck in the field trying to troubleshoot a faulty system? When communications are suspect you'll want to be armed with information on how to field-test an RS-232 to RS-485 converter. Standmount Embedded Automation Controllers AirborneM2M Embedded Dual Band 802.11 a/b/g/n Wireless ModulesĪirborneM2M 802.11 a/b/g/n Dual Band Wireless ![]()
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