Emerson Rosemount 702 - 9.2.3 Momentary Discrete Inputs, Measurement Option Code 32 and 42 (702 DX32

87
Reference Manual
00809-0200-4702, Rev CA
Section 9: Operation and Maintenance: Models 702DX32 and 702DX42
February 2013
Operation and Maintenance: Models 702DX32 and
702DX42
Figure 9-4. Dual Input, Opposing Contact
9.2.3 Momentary Discrete Inputs, measurement option code 32
and 42 (702DX32, 702DX42)
The 702 transmitter is capable of measuring momentary discrete inputs of 10 millisecond or
more in duration, regardless of the wireless update rate. At each wireless update, the device
reports current discrete input state and an accumulating count of close-open cycles for each
input channel.
Dual Input, Opposing Contact Logic
Switch Inputs Wireless Outputs
CH1 CH2 PV SV
Open Open FAULT(NaN) FAULT(NaN)
Open Closed FALSE (0.0) FALSE (0.0)
Closed Open TRUE (1.0) TRUE (1.0)
Closed Closed FAULT(NaN) FAULT(NaN)