Rockwell-automation 1794-IB16D_OB16D Flex I/O 16 Input and 16 Output w Manual de usuario descargar pdf (Pagina 4)

Publication 1794-IN096B-EN-P - February 2004

Sensor Diagram for the 1794-IB16D

Sensor Diagram for the 1794-OB16D

Configuration

Configuring Your 1794-IB16D Input Module

Configure your input module by setting bits in the configuration word

(word 3). This module is compatible with the Remote I/O network

(with 1794-ASB series E or later), DeviceNet network, and the

ControlNet network. (Note: You must use the Module Connection

when used in a ControlNet system.)

Setting the Input Filter Time

To set the input filter time, set the associated bits in the output image

(complementary word) for the module.

Configuring Your 1794-OB16D Output Module

Configure your output module by setting bits in the configuration

word (word 3). This module is compatibility with the Remote I/O

network (with 1794-ASB series D or later), DeviceNet network, and

the ControlNet network. (Note: You can use the Module Connection

or Rack Connection when used in a ControlNet system.)

Specifications

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

Read 1 I

Read 2 Read Diagnostics Status

Write 3 Not used Input Filter FT

0-15

Not used

Where I = Input

FT = Input filter time

Diagnostic status;

Bit 00 = module error;

Bit 01 = external power reverse polarity error;

Bit 02 = sensor power short error;

Bit 03 = sensor power open wire error

3-Wire

Sensor

External

Power

Supply

1794-IB16D

3-Wire

Sensor

2-Wire

Sensor

External

Power

Supply

1794-IB16D

2-Wire

Sensor

3-Wire

Sensor

External

Power

Supply

1794-IB16D

Dummy

Resistor

External

Power

Supply

1794-IB16D

Shunt

Resistor

Shunt

Resistor

Sensor-power lines -

Detect open wire

Detect short circuit

Sensor-power lines -

Detect open wire

3-Wire

Sensor

External

Power

Supply

1794-IB16D

3-Wire

Sensor

2-Wire

Sensor

External

Power

Supply

1794-IB16D

2-Wire

Sensor

3-Wire

Sensor

External

Power

Supply

1794-IB16D

Dummy

Resistor

External

Power

Supply

1794-IB16D

Shunt

Resistor

Shunt

Resistor

Sensor-power lines -

Detect open wire

Detect short circuit

Sensor-power lines -

Detect open wire

Unused input port -

Dummy resistor needed or

Fault LED remains lighted.

20kΩ, ≥1/8W

Load

External

Power

Supply

1794-OB16D

Dummy

Resistor

Unused input port -

Dummy resistor needed or

Fault LED remains lighted.

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

1794-IB16D

FT = 0-15

FLL

I:000

Fill File

Source

Destination

Length

#O:010

Write FT to complement

of input module.

Write filter time on system startup.

O:010

Dec.

12 11 10 9 8 7 6 5

= 5 Octal or 5 Decimal

1794-IB16D

Bits Description Filter Time

10 09 08 Filter time for inputs 0 thru 15

Off to On/

On to Off

0 0 0 Filter time 0 (default) 0.25ms

0 0 1 Filter time 1 0.5ms

0 1 0 Filter time 2 1ms

0 1 1 Filter time 3 2ms

1 0 0 Filter time 4 4ms

1 0 1 Filter time 5 8ms

1 1 0 Filter time 6 16ms

1 1 1 Filter time 7 32ms

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

Read 1 Not used Read Diagnostics Status

Write 2 O

Where O = Output

Diagnostic status;

Bit 00 = module error;

Bit 01 = external power reverse polarity error;

Bit 02 = output short error;

Bit 03 = output open wire error

Specifications - 16 Input Module w/Diagnostics, 1794-IB16D

Meets IEC 3 24V dc input specifications

Number of Inputs 16 (1 group of 16), group isolation

Module Location Cat. No. 1794-TB32, -TB32S

On-state Voltage 10V dc minimum

24V dcnominal

31.2V dc maximum

On-state Current 2.0mA minimum at 10V dc

8.2mA nominal at 24V dc

12.1mA maximum at 31.2V dc (See Derating Curve)

Off-state Voltage 5.0V dc maximum

Off-state Current 1.5mA minimum

Input Impedance 3.1K ohms

Indicators (field side

indication, customer device

driven)

16 yellow ON/OFF status indicators (field side)

16 red diagnostic status indicators (each channel, field side)

1 red module fault indicator (field side)

Input Filter Time

Off to On

On to Off

0.25ms, 0.5ms, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms

0.25ms default - Selectable using configuration word 3

Isolation Voltage Tested at 2121V dc for 1s between user and system

No isolation between individual channels

Power Dissipation 8.5W maximum @ 31.2V dc

Thermal Dissipation Maximum 29 BTU/hr @ 31.2V dc

Sensor

Power Voltage Drop

Power Current

Power Line

Short Detect Circuit

Open Wire Detect

2.2V dc maximum

50mA maximum

1.0A minimum (in 10s)

50µA maximum

Detect Reverse Polarity

Voltage

Minimum 10V: Module must detect if the reverse polarity external

power supply voltage is greater than the value.

Flexbus Current 30mA

1 2 3 4 5 6

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Rockwell-automation 1794-IB16D_OB16D Flex I/O 16 Input and 16 Output w Manual de usuario Pagina 4

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