Rockwell-automation 1746-NR4 SLC RTD/Resistance Input Module User Manu Instrukcja Użytkownika Pobierz pdf (Strona 113)

Publication 1746-UM008B-EN-P - December 2006

Application Examples 113

Channel Configuration Worksheet (With Settings Established)

Input Type Select

Data Format Select

Broken Input Select

Temperature Units Select

Filter Frequency Select

Channel Enable

Excitation Current Select

Scaling Select

Not Used

1112131415

1010000

910 8

00 00

10 1

0123

0000

0001

0000

Bit Number

00 00

00 10

00 11

00 10

Channel 0 (Ambient)

Channel 1 (Bath)

Channel 2 (Steam)

Channel 3 (Chilled H

Bits

0…3

Input Type Selected

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 (426)

(1)

1001 = 120 Ω Ni (618)

(2)

1010 = 120 Ω Ni (617)

1011 = 604 Ω Ni-Fe (518)

1100 = 150 Ω Potentiometer

1001 = 500 Ω Potentiometer

1110 = 1000 Ω Potentiometer

1111 = 3000 Ω Potentiometer

Bits 4

and 5

Data Format Select

00 = engineering units, x 1

(3)

01 = engineering units, x10

(4)

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

Bits 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

Bit 13

and 14

Scaling Select

00 = module defined scaling

(default)

01 = config. words 4 and 5

for scaling

10 = config words

6 & 7 for scaling

11 = Not used (config

error)

Bits 15 Not Used 0 = always make this setting

(1)

Actual value at 0 °C (32 °F) is 9.042 Ω per SAMA standard RC21-4-1966.

(2)

Actual value at 0 °C (32 °F) is 100 Ω per DIN standard.

(3)

Values are 0.1 °/step or 0.1Ω /step for all resistance input types except 150 Ω. For the 150 Ω resistance input type, the values are in 0.01 Ω /step.

(4)

Values are 1 °/step or 1Ω /step for all resistance input types except 150 Ω. For the 150 Ω resistance input type, the values are in 0.1 Ω /step.

1 2 ... 108 109 110 111 112 113 114 115 116 117 118 ... 147 148

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