Mitsubishi Electric Q64RD, User Manual

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1 OVERVIEW
MELSEC-Q
1 OVERVIEW
This user's manual provides the specifications, handling instructions, programming
procedures and other information of the Q64RD platinum RTD (Resistance
Temperature Detector) input module and the Q64RD-G channel isolated RTD input
module (hereinafter referred to as the Q64RD and Q64RD-G), which are designed to
use together with the MELSEC-Q series CPU module (hereinafter referred to as the
CPU).
The Q64RD is a module for connection of 3-wire or 4-wire type platinum RTDs (2-wire
application is available if terminals are short-circuited.) and converts temperature data [
] input from Pt100 or JPt100 platinum RTD (hereinafter referred to as PT100 or
JPt100) to:
• 16-bit signed binary data (stored as a value rounded off to 1 decimal place 10)
• 32-bit signed binary data (stored as a value rounded off to 3 decimal places 1000)
and scaling values (ratios (%)).
The Q64RD-G is a module for connection of 3-wire or 4-wire type RTDs (2-wire
application is available if terminals are short-circuited.) and converts temperature
data [ ] input from Pt100, JPt100 or nickel RTD Ni100 (hereinafter referred to as
Ni100) to:
• 16-bit signed binary data (stored as a value rounded off to 1 decimal place 10)
• 32-bit signed binary data (stored as a value rounded off to 3 decimal places 1000)
and scaling values (ratios (%)).
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