Chapter summary – Rockwell Automation 1771-IR Series D RTD Input Module User Manual User Manual
Page 37
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5–3
Module Status and Input Data
Publication 1771Ć6.5.129 - March 2000
Word
Definition
Bit
Word 9
(cont.)
Bit 07
Faulty calibration (no save)
Bits 08-15
(10-15)
Channel failed calibration. Bit 10 for input 1, bit 11 for input 2, etc.
Table 5.D
Overrange and Underrange Values
Indication
BTW
Word 1, Bit 10
RTD
Ohms
o
C
o
F
Underrange
0
Platinum
< 1.00
< -200
< -328
Overange
> 600.00
> 870
> 1598
Underrange
1
Copper
< 1.00
< -200
< -328
Overrange
> 327.67
> 260
> 500
In this chapter you learned the meaning of the status information that
the RTD input module sends to the processor.
Chapter Summary
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