Rs-485 junction box, Layout, Connectors – Gasboy CFN Series Diagnostic Manual User Manual
Page 94: Tb1 - rs-485 field wiring (unprotected)
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GASBOY CFN Series
3-30
03/19/04
RS-485 JUNCTION BOX
The RS-485 junction box provides the interface for the RS-485 section of the site controller. This
unit:
•
provides the terminal block for field wiring of the RS-485 lines
•
provides protection against noise on the RS-485 lines
•
must be properly grounded
Layout
Connectors
TB1 - RS-485 Field Wiring (Unprotected)
P1 & P2 - Protected RS-485 Signals to Site Controller
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