Figure 14: rs-422/485 wiring diagram (2 wire), Appendix d: 20ma current loop interface – Connect Tech Blue Heat/PCI PCI Serial Communications User Manual

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Figure 14: rs-422/485 wiring diagram (2 wire), Appendix d: 20ma current loop interface | Connect Tech Blue Heat/PCI PCI Serial Communications User Manual | Page 39 / 47 Figure 14: rs-422/485 wiring diagram (2 wire), Appendix d: 20ma current loop interface | Connect Tech Blue Heat/PCI PCI Serial Communications User Manual | Page 39 / 47
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