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Defaults – Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual

Page 85

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2–65

How Communication Takes Place and I/O Image Table Mapping

Publication 1794ĆUM057B-EN-P - November 2001

Connection Enable Word Definition

Connection Enable Channel 2 Connection Enable Channel 1

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

Bit:

Not Used

E2

Not Used

E1

Description

E1

SCANport channel 1 enable bit. When set to 1, the module will

attempt to connect to the SCANport device. When reset to 0, the

module stops communicating with the connected SCANport device.

This usually causes the device to fault.

E2

SCANport channel 2 enable bit. When set to 1, the module will

attempt to connect to the SCANport device. When reset to 0, the

module stops communicating with the connected SCANport device.

This usually causes the device to fault.

Logic Command/Analog Reference Definition

The Logic Command and Analog Reference values are defined within the product
manuals of the connected SCANport device(s).

Each I/O module has default values associated with it. At default,
each module will generate inputs/status and expect
outputs/configuration.

Module Defaults for:

AdapterDefaults

Optimal Sizes

Catalog

Number

Description

Input

Default

Output

Default

Input

Default

Output

Default

1794ĆIB8

8Ćpt 24V dc Sink Input

1

1

1

0

1794ĆOB8

8Ćpt 24V dc Source Output

1

1

0

1

1794ĆIB16

16Ćpt 24V dc Sink Input

1

1

1

0

1794ĆOB16

16Ćpt 24V dc Source Output

1

1

0

1

1794ĆIV16

16Ćpt 24V dc Source Input

1

1

1

0

1794ĆOV16

16Ćpt 24V dc Sink Output

1

1

0

1

1794-IB8S

Sensor Input Module

1

1

1

0

1794-OB8EP

Elec. Prot. Output Module

1

1

0

1

1794-IB10XOB6 10 In/6 Out Combo Module

1

1

1

1

1794ĆIA8

8Ćpt 120V ac Input

1

1

1

0

1794ĆOA8

8Ćpt 120V ac Output

1

1

0

1

1794ĆIB8S

8Ćpt 24V dc Sensor Input

1

1

1

0

1794ĆOW8

8Ćpt Relay Output

1

1

0

1

1794ĆIE8

8Ćpt Analog Input

9

6

8

0

1794ĆOE4

4Ćpt Analog Output

1

14

0

4

1794ĆIE4XOE2

4 in/2 out Analog Combo

5

10

4

2

1794ĆIR8

8Ćpt RTD Analog Input

11

4

10

0

1794ĆIT8

8Ćpt Thermocouple Input

11

4

10

0

Defaults