Rockwell-automation Current Input Module Manual de usuario descargar pdf (Pagina 52)

60 Hz. Line

Freq. Filter

Enabled

Line Freq.

Filters

Disabled

50 Hz. Line

Freq. Filter

Enabled

AĆ2

Appendix A

(Continued)

Input Circuit

 Input Current Range: 4-20 mA

 Resolution: 4

A per count (4-20 mA = 0-4095 counts)

 Accuracy: 0.2% across the operating temperature range

 Input Filter: first order, lowpass, 7 Hz breakpoint

 Out of Range Threshold Voltages): below 3.7 mA or above 20.3 mA

 Input Impedance:10M ohms typical at 0 Hz at faceplate connector

ąĂ:250 ohms with Terminal Board

M/NĂ61C549 or 61C550 attached

Noise Rejection

 Line Frequency Filter (Software Selectable): 60 Hz (default) or 50 Hz

 Averaging Filter (Software Selectable): 1 (default) to 60 samples per

average

 Common Mode Rejection: Ć60dB min (averaging filter = 1 and line

filter enabled)

 Normal Mode Rejection: Ć40dB min (averaging filter = 1 and line

filter enabled)

Input Channel Update Times (All times are in milliĆseconds)

Number of

Configured

Channels

Unscaled

Data

Scaled

Data

Square

Root of

Scaled

Data

Running

Average of

Square

Root of

Scaled

Data

One 18.4 18.5 18.7 18.8

Each Added 17.6 17.7 17.9 18

Sixteen 282 283 286 288

One 2.0 2.1 2.3 2.4

Each Added 1.0 1.1 1.3 1.4

Sixteen 17 18.6 21.8 23.4

One 21.6 21.7 21.9 22

Each Added 20.8 20.9 21.0 21.1

Sixteen 333 334 337 339

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 65 66

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Rockwell-automation Current Input Module Manual de usuario Pagina 52

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