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Transducer Inputs
Thermo Fisher Scientific
The expanded I/O board provides two analog inputs for single low-power
transducers (0–5 Vdc maximum range). Other transducers with voltage
output ranges such as 0.8–3.2 V or 1–5 V units may be used with software
scaling provided the 0–5 V limits are not exceeded. Use of 4–20 mA
current loop transmitters is not recommended for units powered from
small battery sources.
All transmitters are wired to analog input channels 1 through 2 on the
terminal board. Maximum cable length between the flow computer and
each transmitter is 25 feet.
Each local analog input provides a transmitter signal input (IN), and a
transmitter signal return (AGND). The analog inputs on the terminal
board are identified in the following Figure 2-3.
Hardware Description: Basic System
AutoXP Users Guide
2-5
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