Rockwell-automation 1794-IF4I FLEX I/O 4 Isolated Input Module Manual de usuario descargar pdf (Pagina 4)

4 FLEX™ I/O Isolated Input Analog Module

Publication 1794-IN038E-EN-P - November 2011

1794-TBN Terminal Base Wiring

Input Map

Dec 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Oct 17 16 15 14 13 12 11 10 7 6 5 4 3 2 1 0

Word 0 Analog value channel 0

Word 1 Analog value channel 1

Word 2 Analog value channel 2

Word 3 Analog value channel 3

Word 4 Real-time sample

Word 5 PU FP CF 0 Reserved 0 0 0 0 0 BD DN 0

Word 6 0 0 0 0 0 0 0 0 V3 V2 V1 V0 U3 U2 U1 U0

Where: PU = Power up inconfigured

FP = Field power off

CF = In configuration mode

BD = Bad calibration

DN = Calibration accepted

U = Underrange for specified channel

V = Overrange for specified channel

Output Map

Dec 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Oct 17 16 15 14 13 12 11 10 7 6 5 4 3 2 1 0

Word 0 EN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Word 1 Channel 3 filter Channel 2 filter Channel 1 filter Channel 0 filter

Word 2 Ch 3 configuration Ch 2 configuration Ch 1 configuration Ch 0 configuration

Word 3 0 Real-time sample interval

Word 4 IC 1 TR IT 0 0 0 0 RV QK CK GO Channel number

Word 5 Reserved

Where: EN = Inable bit (not used on input module)

IC = Initiate configuration bit

TR = Transparent bit

IT = Interrupt toggle bit

RV = Revert to default bit

QK = Quick calibration

CK = Calibration clock

GO = Gain offset select

45752

Even-numbered terminals 0...1416 33

34 51

Row B

Row C

DC only

3-wire

transmitter

Current only

2-wire current

transmitter

DC onlyAC or DC

4-wire current

transmitter

Current

input

Current

input

Current

input

Voltage

input

3-wire

transmitter

Configure the Input Channels

Input Channel Configuration

03 02 01 00 Set these bits for channel 0

07 06 05 04 Set these bits for channel 1

11 10 09 08 Set these bits for channel 2

15 14 13 12 Set these bits for channel 3

Bit Settings Input Values Data Format % Underrange

% Overrange

Input Range

0 0 0 0 Channel not configured

0 0 0 1 4...20 mA Signed 2’s

complement

4% under; 4% over <0000…7878>

0 0 1 0 ±10V 2% under; 2% over <831F…7CE1>

0 0 1 1 ±5V 4% under; 4% over <8618…79E8>

0 1 0 0 0...20 mA Signed 2’s

complement %

0% under; 4% over 0…10000>

0 1 0 1 4…20 mA 4% under; 4% over <0…10000>

0 1 1 0 0…10V 0% under; 2% over 0…10000

0 1 1 1 ±10V 2% under; 2% over <-10000…10000>

1 0 0 0 0…20 mA Binary 0% under; 4% over 0000…F3CF

1 0 0 1 4…20 mA 4% under; 4% over 0000…F0F1

1 0 1 0 0…10V 0% under; 2% over 0000…F9C2

1 0 1 1 0…5V 0% under; 4% over 0000…F3CF

1 1 0 0 +20 mA Offset binary,

8000H = 0 mA

4% under; 4% over <0618…F9E8>

1 1 0 1 4…20 mA Offset binary,

8000H = 4 mA

4% under; 4% over <8000…F878>

1 1 1 0 ±10V Offset binary,

8000H = 0 mA

2% under; 2% over <031F…FCE1>

1 1 1 1 ±5V 4% under; 4% over <0618…F9E8>

Input Update Rate for Real Time Sample Interval = 0

Configuration Bits Input Nominal Ranges

Channel Update Rate

(1)

MSD LSD

RTSI = 0 and No Low

Pass Filter

RTSI and Filter = 0

IT Bit = 1

0 0 0 1 4...20 mA 7.5 ms 5.0 ms

0 0 1 0 ±10V 2.5 ms 2.5 ms

0 0 1 1 ±5V 2.5 ms 2.5 ms

0 1 0 0 0...20 mA 7.5 ms 5.0 ms

0 1 0 1 4…20 mA 7.5 ms 5.0 ms

0 1 1 0 0…10V 5.0 ms 5.0 ms

0 1 1 1 ±10V 5.0 ms 5.0 ms

1 0 0 0 0…20 mA 2.5 ms 2.5 ms

1 0 0 1 4…20 mA 7.5 ms 5.0 ms

1 0 1 0 0…10V 2.5 ms 2.5 ms

1 0 1 1 0…5V 2.5 ms 2.5 ms

1 1 0 0 +20 mA 2.5 ms 2.5 ms

1 1 0 1 4…20 mA 7.5 ms 5.0 ms

1 1 1 0 ±10V 2.5 ms 2.5 ms

1 1 1 1 ±5V 2.5 ms 2.5 ms

(1)

When IT = 1, the channel update rate for all channels is determined by the slowest channel.

Set the Input Filters

Input Channel Configuration

03 02 01 00 Set these bits for channel 0

07 06 05 04 Set these bits for channel 1

11 10 09 08 Set these bits for channel 2

15 14 13 12 Set these bits for channel 3

Bit Settings A/D Conversion Rate Low Pass Filter

0 0 0 0 1200 Hz No low pass

0 0 0 1 1200 Hz 100 ms low pass

0 0 1 0 1200 Hz 500 ms low pass

0 0 1 1 1200 Hz 1000 ms low pass

0 1 0 0 600 Hz No low pass

0 1 0 1 600 Hz 100 ms low pass

0 1 1 0 600 Hz 500 ms low pass

0 1 1 1 600 Hz 1000 ms low pass

1 0 0 0 300 Hz No low pass

1 0 0 1 300 Hz 100 ms low pass

1 0 1 0 300 Hz 500 ms low pass

1 0 1 1 300 Hz 1000 ms low pass

1 1 0 0 150 Hz No low pass

1 1 0 1 150 Hz 100 ms low pass

1 1 1 0 150 Hz 500 ms low pass

1 1 1 1 150 Hz 1000 ms low pass

1 2 3 4 5 6

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