Rockwell-automation 1771-IFE/C INSTL.INSTRUCTIONS ANALOG INPU Manual de usuario descargar pdf (Pagina 13)

Analog Input Module 13

Publication

17715.45 - July 1997

Possible module fault causes and corrective action is described in the

following table.

Indicators Probable Cause Recommended Action

RUN (green on)

FLT (red off)

Normal operation None

RUN (green blinking)

FLT (red off)

Awaiting configuration

Block Transfer Write

Send configuration BTW

RUN (green off)

FLT (red on)

Hardware failure in

module

Return module for repair

RUN (green off)

FLT (red off)

No power Turn off power. Remove and reinsert

module into chassis. Return power.

If problem still exists, and chassis power

supply is functioning properly, return the

module for repair.

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

Linearity +1 LSB

Repeatability +1 LSB

Isolation Voltage Isolation meets or exceeds UL Standard 508, and CSA Standard

C22.2 No. 142.

Input overvoltage protection

200V (voltage mode)

8V (current mode)

Input overcurrent protection (current ranges) 30mA

Common mode voltage +14.25 Volts

Input impedance >10 Megohms for voltage ranges; 250 ohms for current ranges

Common mode rejection 80 db, dc-120 Hz

Current Requirements 500mA @ +5V from I/O chassis backplane

Power Dissipation 2.5 Watts (maximum)

Specifications continued on next page

For

detailed troubleshooting

information, see chapter 7 of

your

Analog Input User Manual

(publication 17716.5.1

15).

Troubleshooting

Specifications

1 2 ... 8 9 10 11 12 13 14 15 16

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