3.44: Type F44 Digital Input Module Data Status

Length: 1 Register (2 bytes)

This register has two bytes. Each byte has eight bits. The bits in these bytes are associated with the status of the data received from the Digital Input Modules as follows:

Bit

Point

Meaning

15 (MSB)

0

Status of Data from Digital Input Module 1 (Modbus Register 0AD5H)

14

1

Status of Data from Digital Input Module 2 (Modbus Register 0AE6H)

13

2

Status of Data from Digital Input Module 3 (Modbus Register 0AF7H)

12

3

Status of Data from Digital Input Module 4 (Modbus Register 0B08H)

11-0 (LSB)

 

Undefined

Digital Input Module Data Status:

A bit value of 0 means that the data from this Digital Input Module is not yet valid. Either the module is not present or has not yet been polled.

A bit value of 1 means that the data from this Digital Input Module has been polled at least once and is valid.

Example:

Register 06111, Digital Input Module Data Status, might contain the following data:

Addr

 

 

 

 

 

 

 

06111

 

 

 

 

 

 

 

Value

 

 

 

 

 

 

 

8000H

 

 

 

 

 

 

 

Bytes

 

 

 

80H

 

 

 

 

 

 

 

00H

 

 

 

Bits

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Point

 

1

2

3

 

 

 

 

 

 

 

 

 

 

 

 

Digital Input

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

OK

-

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data from Digital Input Module 1 (Register 0AD5H) is valid,

 

 

Interpretation

data from Digital Input Modules 2-4 are not valid.

 

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GE EPM 9650/9800 manual Type F44 Digital Input Module Data Status, Bits Point Digital Input