A - specifications, Specifications, Appendix – Rockwell Automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE User Manual
Page 69
Appendix
A
Publication 1771Ć6.5.116 - July 1996
Specifications
Description
Value
Inputs per module
16 single-ended; 8 differential low level
Module Location
1771 I/O rack - 1 slot
Input voltage ranges (nominal)
+1 to +5V dc
0 to +5V dc
-5 to +5V dc
-10 to +10V dc
0 to +10V dc
Input current ranges (nominal)
+4 to +20mA
0 to +20mA
-20 to +20mA
Resolution
12-bit binary
12 bits plus sign on bipolar ranges
Accuracy
0.1% of full scale range @ 25
o
C
Linearity
+1 LSB
Repeatability
+1 LSB
Isolation Voltage
This isolation meets or exceeds the requirements of
UL Standard 508, and CSA Standard C22.2 No. 142.
Input overvoltage protection
35V (voltage mode)
1
8V (current mode)
2
Input overcurrent protection (current ranges) 30mA
Common mode voltage
+35Volts
Input impedance
>10 Megohms for voltage ranges; 250 ohms for current ranges
Common mode rejection
80 db, dc-120Hz
Current Requirements
500mA @ +5V from I/O chassis backplane
Power Dissipation
2.5 Watts (maximum)
Thermal Dissipation
8.52 BTU/hr (maximum)
Unscaled BCD and binary output to
processor
0000 to +4095
10
for polar ranges (0 to 5V, +1 to +5V, 0 to +20mA,
and +4 to +20mA)
-4095
10
to 4095
10
for bipolar ranges ( +5V, +10V, +20mA)
Engineering units sent to processor
+9999
10
with selectable scaling
Fastest Internal scan rate
8 channels in less than 2ms (Depends on number of oversamples,
number of channels, and active features.)
Environmental conditions
operational temperature:
storage temperature:
relative humidity:
Operating
Storage
0 to 60
0
C (32 to 140
0
F)
-40 to 85
0
C (-40 to 185
0
F)
5 to 95% (without condensation)
5 to 95% (without condensation)
Conductors
Wiring
Category
14 gauge (2mm
2
) stranded (max.)
3/64 inch (1.2mm) insulation (max.)
Category 2
3
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