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B&B Electronics ESP902 - Manual User Manual

Page 85

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RS-422 Connections

Manual Documentation Number: ESP901-902_5012m

Appendix B

77

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com

B&B Electronics Ltd – Westlink Commercial Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com

Figure 68.

Loopback Connections for RS-422

The RS-485 Connections are half duplex, either Receive or Transmit,

so another half duplex device must be used to check operation.

Figure 69.

RS-422 Connection with No Flow Control

See also other documents in the category B&B Electronics Accessories communication: