Rockwell-automation 1771-IFE/C INSTL.INSTRUCTIONS ANALOG INPU Manual de usuario descargar pdf (Pagina 14)

Analog Input Module14

Publication

17715.45 - July 1997

ValueDescription

Thermal Dissipation 8.52 BTU/hr (maximum)

Unscaled BCD and binary output to

processor

0000 to +4095

for polar ranges (0 to 5V, +1 to +5V, 0 to +20mA,

and +4 to +20mA)

-4095

to 4095

for bipolar ranges ( +5V, +10V, +20mA)

Engineering units sent to processor +9999

with selectable scaling

Internal scan rate

13.7 ms for 8 differential inputs (no digital filtering) -add 0.3ms for

filtering

27.4 ms for 16 single-ended input (no digital filtering) -add 0.3 for

filtering

Environmental conditions

Operational temperature:

Storage temperature:

Relative humidity: Operating

Storage

0 to 60

C (32 to 140

-40 to 85

C (-40 to 185

5 to 95% (without condensation)

5 to 85% (without condensation)

Conductors Wiring

Category

14 gauge (2mm

) stranded (max.)

3/64 inch (1.2mm) insulation (max.)

Category 2

Keying

between 10 and 12

between 24 and 26

Wiring Arm Catalog Number 1771-WG

Field Wiring Arm Screw Torque 79 inchpounds

Agency Certification

(when product or packaging is marked)

marked for all applicable directives

Class 1 Div 2 Hazardous

User Manual Publication 17716.5.115

The inputs are protected to 200V

. However

, if an input terminal'

s voltage exceeds +

14.25V as referenced to module common, channeltochannel

crosstalk can cause invalid input readings and invalid underrange/overrange bits.

Only 8 volts can be placed directly across the input when configured in the current mode.

Refer to publication 17704.1, "Industrial Automation Wiring and Grounding Guidelines for Noise Immunity

CSA

certification Class I, Division 2, Group A, B, C, D or nonhazardous locations.

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