Chapter 5
Channel Configuration, Data, and Status
5–20
Table 5.S Channel 0–3 Status Word (I:e.4 through I:e.7) – Bit Definitions
it s
efine
These bit settings
In icate t is
Bit(s)
Define
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Indicate this
0
0
0
0
100
W
Pt RTD (385)
0
0
0
1
200
W
Pt RTD (385)
0
0
1
0
500
W
Pt RTD (385)
0
0
1
1
1000
W
Pt RTD (385)
0
1
0
0
100
W
Pt RTD (3916)
0
1
0
1
200
W
Pt RTD (3916)
0
1
1
0
500
W
Pt RTD (3916)
0–3
In ut ty
status
0
1
1
1
1000
W
Pt RTD (3916)
0–3
Input type status
1
0
0
0
10
W
Cu RTD (426)
➀
1
0
0
1
120
W
Ni RTD (618)
➁
1
0
1
0
120
W
Ni RTD (672)
1
0
1
1
604
W
NiFe RTD (518)
1
1
0
0
150
W
Resistance Input
1
1
0
1
500
W
Resistance Input
1
1
1
0
1000
W
Resistance Input
1
1
1
1
3000
W
Resistance Input
0
0
Engineering units
1
➂
4–5
Data format status
0
1
Engineering units
10
➃
4–5
Data format status
1
0
Scaled–for–PID
1
1
Proportional Counts
0
0
Set to Zero
6–7
Bro n in ut status
0
1
Set to Upscale
6–7
Broken input status
1
0
Set to Downscale
ÉÉ
ÉÉ
1
ÉÉ
ÉÉ
1
ÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉ
Not used
8
Temperature units
status
0
Degrees C
➄
8
Temperature units
status
1
Degrees F
➄
0
0
10 Hz
9–10
Filter frequency
status
0
1
50 Hz
9–10
Filter frequency
status
1
0
60 Hz
1
1
250 Hz
11
Channel enable
status
0
Channel Disabled
11
Channel enable
status
1
Channel Enabled
12
Excitation current
status
0
2.0 mA
12
Excitation current
status
1
0.5 mA
13
Broken input error
status
0
No error
13
Broken input error
status
1
Short or open detected
14
Out of range error
status
0
No error
14
Out of range error
status
1
Out of range detected
15
Configuration error
0
No error
15
Configuration error
status
1
Configuration error
➀
Actual value at 0
°
C is 9.042
W
per SAMA standard RC21–4–1966.
➁
Actual value at 0
°
C is 100
W
per DIN standard.
➂
Values are in 0.1 degree /step or 0.1
W
/step for all resistance input types, except 150
W
. For the 150
W
resistance input type, the values are in 0.01
W
/step.
➃
Values are in 1 degree /step or 1
W
/step for all resistance input types, except 150
W
. For the 150
W
resistance input type, the values are in 0.1
W
/step.
➄
This bit is cleared (0) when a resistance device, such as a potentiometer, is selected.
AB Spares
Summary of Contents for SLC 500 1746-NR4
Page 1: ...User Manual SLC 500t RTD Resistance Input Module Cat No 1746 NR4 Allen Bradley AB Spares ...
Page 15: ...Preface P 8 Notes AB Spares ...
Page 37: ...Chapter 2 Quick Start 2 12 Notes AB Spares ...
Page 63: ...Chapter 4 Preliminary Operating Considerations 4 12 Notes AB Spares ...
Page 87: ...Chapter 5 Channel Configuration Data and Status 5 24 Notes AB Spares ...
Page 107: ...Chapter 7 Module Diagnostics and Troubleshooting 7 8 Notes AB Spares ...
Page 117: ...Chapter 8 Application Examples 8 10 Notes AB Spares ...
Page 123: ...Appendix A Specifications A 6 Notes AB Spares ...
Page 125: ...Appendix B RTD Standards B 2 Notes AB Spares ...
