
Chapter 2 ___________________________________________________________ Product Overview
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Figure 2 Inside of Open Transmitter
Numbers refer to Figure 2 above:
1 = Service port (RS-232)
2 = Dip switches for analog output settings
3 = Power supply and signal wiring screw terminals
4 = Relay or RS-485 module (optional)
5 = Grounding connector
6 = Power supply module (optional)
7 = Analog output relay module (optional)
8 = Dewpoint probe
9 = Output isolation module (optional)
10 = Adjustment button and Manual AutoCal buttons with
indicator led and pressure set buttons.
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