Word/bit descriptions for 1790p-t4r0 rtd module – Rockwell Automation 1790-TXXXX CompactBlock LDX I/O Profibus Analog, RTD and Thermocouple User Manual
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Publication 1790-IN010B-EN-P - April 2003
Word/Bit Descriptions for 1790P-TN0C2 Analog Output Module
1790P-T4R0 RTD Module Input Data File
Word/Bit Descriptions for 1790P-T4R0 RTD Module
Word
Decimal Bit
Description
Write Word
0
Bits 00-11
Channel 0 output data
Bits 12-15
Not used: Set to 0
Write Word
1
Bits 00-11
Channel 1 output data
Bits 12-15
Not used: Set to 0
Word
Bit Position
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
RTD Input Data Channel 0
1
RTD Input Data Channel 1
2
RTD Input Data Channel 2
3
RTD Input Data Channel 3
4
Not Used
S11
S10
S9
S8
Not Used
S3
S2
S1
S0
Word
Decimal Bit
Description
Read Word 0
Bits 00-15
Channel 0 input data
Read Word 1
Bits 00-15
Channel 1 input data
Read Word 2
Bits 00-15
Channel 2 input data
Read Word 3
Bits 00-15
Channel 3 input data
Read Word 4
Bits 00-03
Underrange for individual channels - Bit 00 corresponds to
input channel 0, bit 01 corresponds to input channel 1 and
so on.
When set (1) the input signal is below the input channel’s
minimum range.
Bits 04-07
Not used: Set to 0
Bits 08-11
Overrange for individual channels - Bit 08 corresponds to
input channel 0, bit 09 corresponds to input channel 1 and
so on.
When set (1) the input signal is above the input channel’s
maximum range, or open RTD is detected.
Bits 12-15
Not used: Set to 0