Allen-Bradley MicroLogix 1200 User Manual page 104

A-14 Specifications
Table A.19 General Specifications
Specification 1762-IF2OF2
Vendor I.D. Code 1
Product Type Code 10
Product Code 75
(1) The over- or under-range flag comes on when the normal operating range (over/under) is exceeded. The module continues to convert the analog input up to the maximum
full scale range.
(2) Repeatability is the ability of the module to register the same reading in successive measurements for the same signal.
(3) Rated working voltage is the maximum continuous voltage that can be applied at the terminals with respect to earth ground.
Table A.20 Input Specifications
Specification
Number of Inputs
Update Time (typical)
A/D Converter Type
Common Mode Voltage
(1)
Range
Common Mode
(2)
Rejection
Non-linearity (in percent
full scale)
Typical Overall
(3)
Accuracy
Input Impedance
Current Input Protection
Voltage Input Protection
Channel Diagnostics
(1) For proper operation, both the plus and minus input terminals must be within ±27V (±10V for 1762-IT4) of analog common.
(2) V = 1 V AC
cm pk-pk
(3) V = 0 (includes offset, gain, non-linearity and repeatability error terms)
cm
Publication 1762-UM001D-EN-P - March 2004
1762-IF4
1
10
67
1762-IF2OF2
2 differential (unipolar)
2.5 ms
Successive
approximation
±27V
> 55 dB at 50 and 60 Hz
±0.1%
±0.5% full scale at 0 to
55°C
±0.3% full scale at 25°C
Voltage Terminal: 200KΩ
Current Terminal: 250Ω
±32 mA
±30V
Over or under range or
open circuit condition by
bit reporting for analog
inputs.
1762-OF4
1
10
66
1762-IF4
4 differential (bipolar)
130, 250, 290, 450, 530
ms (selectable)
Successive
approximation
±27V
> 55 dB at 50 and 60 Hz
±0.1%
±0.3% full scale at 0 to
55°C
±0.24% full scale at 25°C
Voltage Terminal: 200KΩ
Current Terminal: 275Ω
±32 mA
±30V
Over or under range or
open circuit condition by
bit reporting for analog
inputs.
1762-IR4
1
10
65
1762-IR4
4
Input filter and
cofiguration dependent
Delta-Sigma
NA
>110 dB at 50 Hz (with 10
or 50 Hz filter)
>110 dB at 60 Hz (with 10
or 60 Hz filter)
±0.05%
±0.5°C (F°) for Pt 385
>10 ΜΩ
NA
NA
Over or under range or
open circuit condition by
bit reporting for analog
inputs.
1762-IT4
1
10
64
1762-IT4
4 input channels plus 1
CJC sensor
NA
Delta-Sigma
±10V
>110 dB at 50 Hz (with 10
or 50 Hz filter)
>110 dB at 60 Hz (with 10
or 60 Hz filter)
NA
NA
>10 ΜΩ
NA
NA
Over or under range or
open circuit condition by
bit reporting for analog
inputs.