Allen-Bradley SLC 500 1746-NR4, User Manual

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Appendix C
NR4 Configuration Worksheet
C–4
Channel Configuration
Worksheet
•
Input Type Select
•
Data Format Select
•
Broken Input Select
•
Temperature Units Select
•
Filter Frequency Select
•
Channel Enable
•
Excitation Current Select
•
Scaling Select
•
Not Used
ÉÉÉ
ÉÉÉ
ÉÉÉ
11 12 13 14 15 9 10 8 6 7 4 5 0 1 2 3 Bit Number
Channel 0
Channel 1
Channel 2
Channel 3
0
0
0
0
Bit Definitions:
Bits 0–3 Input Type Select
0000 = 100
Ω
Pt. (385)
0001 = 200
Ω
Pt. (385)
0010 = 500
Ω
Pt. (385)
0011 = 1000
Ω
Pt. (385)
0100 = 100
Ω
Pt. (3916)
0101 = 200
Ω
Pt. (3916)
0110 = 500
Ω
Pt. (3916)
0111 = 1000
Ω
Pt. (3916)
1000 = 10
Ω
Cu (427)
➀
1001 = 120
Ω
Ni (618)
➁
1010 = 120
Ω
Ni (672)
1011 = 604
Ω
Ni–Fe (518)
1100 = 150
Ω
1101= 500
Ω
1110= 1000
Ω
1111= 3000
Ω
Bits 4 and 5 Data Format Select
00 = engineering units, x1
➂
01 = engineering units, x10
➃
10 = scaled–for–PID (0 to 16383)
11 = proportional counts (–32768 to +32767)
Bits 6 and 7 Broken Input Select 00 = zero 01 = upscale 10 = downscale 11 = invalid
Bit 8 Temperature Units Select 0 = degrees Celsius 1 = degrees Fahrenheit
Bits 9 and 10 Filter Frequency Select 00 = 10 Hz 01 = 50 Hz 10 = 60 Hz 11 = 250 Hz
Bit 11 Channel Enable 0 = channel disabled 1 = channel enabled
Bit 12 Excitation Current Select 0 = 2.0 mA 1 = 0.5 mA
Bits 13 and 14 Scaling Select
00 = module defined
scaling (default)
01 = config. words 4 &
5 for scaling 10 = config. words 6 &
7 for scaling
11 = Not used
(config
error)
Bits 15 Not Used 0 = always make this setting
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 expressed in 0.1 degree/step or 0.1
W
/step (applies to all pots, except 150
W
type). For the 150
W
pot input type, the values are expressed in 0.01
W
/step.
➃
Values are expressed in 1 degree/step or 1
W
/step (applies to all pot, except 150
W
type). For the 150
W
pot input type, the values are expressed in 0.1
W
/step.
AB Spares