Rockwell-automation 61C542 Voltage Input module Instrukcja Użytkownika Pobierz pdf (Strona 52)

AĆ2

Appendix A

(Continued)

Input Circuit

 Input Voltage Range: -10V to +10V

 Resolution: 1.46mV per count (any configuration)

(-10V to +10V = -4095 to +4095 unscaled)

(0Vto+10V=0to+4095 unscaled)

 Accuracy: 0.2% across the operating temperature range

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

 Input Impedance: 10M ohms typical at 0 Hz

 Out of Range Threshold Voltages:

Below -10.5V or Above +10.5V (bipolar)

Below -0.5V or Above +10.5V (unipolar)

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: -60dB min (averaging filter =

1 and line filter enabled)

 Normal Mode Rejection: -40dB min (averaging filter =

1 and line filter enabled)

Input Channel Update Times (All times are in milliĆseconds)

(Differential Input Mode)

Number of

Configured

Channels

Unscaled

Data

Scaled

Data

Square

Root of

Scaled

Data

Running

Average of

Square

Root of

Scaled Data

60 Hz. Line

One 18.5 18.6 18.8 18.9

60 Hz

Line

Freq. Filter

Ebld

Each Added 17.7 17.8 18 18.1

Freq. Filter

Enabled

Eight 142 143 144 145

Line Freq.

One 2.2 2.3 2.5 2.6

Line Freq

Filters

Di bl d

Each Added 1.2 1.3 1.5 1.6

Filters

Disabled

Eight 10.6 11.4 13 13.8

50 Hz. Line

One 22 22.1 22.3 22.4

50 Hz

Line

Freq. Filter

Ebld

Each Added 21 21.1 21.3 21.4

Freq. Filter

Enabled

Eight 168 169 171 171

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 67 68

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