Input specifications – Rockwell Automation 1769-IF16V Compact High Density Analog Voltage Input Module User Manual

Page 24

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Compact High-density Analog Voltage Input Module

Publication 1769-IN086A-EN-P - August 2008

Input Specifications

Attribute

Value

Analog normal operating ranges

(1)

(1) The over- or under-range flag will come on when the normal operating range (over/under) is exceeded. The module will

continue to convert the analog input up to the maximum full scale range. The flag automatically resets when within the

normal operating range.

±10V DC, 0 …10V DC, 0…5V DC, 1…5V DC

Full scale analog ranges

(1)

±10.5V DC, -0.5…10.5V DC, -0.5…5.25V DC, 0.5…5.25V DC

Number of inputs

16 single-ended

Converter type

Sigma Delta

Response speed per channel

Input filter and configuration dependent.

(8)

(8) Refer to the Compact High-Density Analog Input Modules User Manual, publication

1769-UM018.

.

Resolution, max

(2)

(2) Resolution is dependent upon your filter selection.

16 bits (unipolar)
15 bits plus sign (bipolar)

Rated working voltage

(3)

(3) Rated working voltage is the maximum continuous voltage that can be applied at the input terminal, including the input

signal and the value that floats above ground potential (for example, 10V DC input signal and 20V DC potential above

ground).

30V AC/30V DC

Common mode voltage range

(4)

(4) For proper operation, the plus input terminals must be within ±10V DC of analog common.

±10V DC maximum per channel

Common mode rejection

greater than 60 dB at 50 and 60 Hz with the 16 Hz filter selected,
respectively.

Input impedance

Greater than 1 M

Ω

(typical)

Overall accuracy

(5)

(5) Includes offset, gain, non-linearity and repeatability error terms.

0.35% full scale at 25 °C (77°F) for 16 Hz, 50 Hz, and 60 Hz filters

Accuracy drift with temperature

±0.003% per °C

Calibration

None required

Non-linearity (in percent full scale)

±0.03%

Repeatability

(6)

(6) Repeatability is the ability of the input module to register the same reading in successive measurements for the same input

signal.

±0.06% for 16 Hz filter

Module error over full temperature
range
(0…60 °C [32 °F…140 °F])

1.0% for 16 Hz, 50 Hz, and 60 Hz filters

Channel diagnostics

Over- or under-range by bit reporting, process alarms

Maximum overload at input terminals

(7)

(7) Damage may occur to the input circuit if this value is exceeded.

±30V DC continuous, 0.03 mA

Input group to bus isolation

500V AC or 710V DC for 1 minute (qualification test)
30V AC/30V DC working voltage (IEC Class 2 reinforced insulation)

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