6 Reference information: wiring switch inputs,
output circuits, and leak sensors
6.1 Dry contact switch inputs
The Rosemount 702 Transmitter has a pair of screw terminals for each of
two channels, and a pair of communication terminals. These terminals are
labeled as follows:
CH1+:
Channel one positive
CMN:
Common
CH2+:
Channel two positive
CMN:
Common
COMM:
Communication
Figure 6-1: Rosemount 702 Transmitter Terminal
6.2 Wireless output specifications
6.2.1 Dual input
The Rosemount 702 Transmitter will accept the input from one or two single
pole single throw switches on inputs CH1 and CH2. The wireless output of
the transmitter will be both a primary variable (PV) and a secondary variable
(SV). The PV is determined by the CH1 input. The SV is determined by the
April 2021 Quick Start Guide
Quick Start Guide 19