Control and Status Byte IP/IE2512

Process data Mode

Control Byte

The Control byte is only visible, if the Fieldbus Box is operated in complete mode. It is located in the output image, and can be read or written.

Bit

7

6

5

4

3

2

1

0

Name

RegAccess

reserved

0

0

0

0

0

StartPulses

 

Bit

description

RegAccess

0bin: Register Communication switched off  (Process data mode)

StartPulses

When in Cnt_Cnt_PWM mode a rising edge of this bit starts the pulse output. This can be re-triggered with every subsequent rising edge. 

Status-Byte

The status byte is only visible in the if the Fieldbus Box is operated in complete mode. It is located in the input image, and can only be read.

Bit

7

6

5

4

3

2

1

0

Name

RegAccess

ERROR

OVR_TEMP_ERR

-

0

StateCh1

OUT

StartPulses

 

Name

Beschreibung

RegAccess

0bin: Acknowledge  for process data mode

ERROR

0bin: general error bit, an error has happened

OVR_TEMP_ERR

0bin: no error

1bin: over temperature in the module, the outputs are set to 0

StateCh1

When in  Cnt_Cnt_PWM mode this bit reports back the status of channel 1.

OUT

When in Cnt_Cnt_PWM mode this bit shows the status of the output (1bin: Write).

StartPulses

When in Cnt_Cnt_PWM mode this bit shows the status of control byte bit 0.

Register Communication

Counter values cannot be transmitted during register communication.

Control Byte

The control byte is only visible if the Fieldbus Box is operated in complete mode. It is located in the output image, and can be read or written.

Bit

7

6

5

4

3

2

1

0

Name

RegAccess

R/W

Register number

 

Name

Description

RegAccess

1bin: Register communication switched on

R/W

0bin: Read
1bin: Write

Register number

Number of the register that is to be read or written.

Status Byte

The status byte is only visible if the Fieldbus Box is operated in complete mode. It is located in the input image, and can only be read.

Bit

7

6

5

4

3

2

1

0

Name

RegAccess

R/W

Register number

 

Name

Description

RegAccess

1bin: Acknowledge for register access

R/W

0bin: Read

Register number

Number of the Register, that has been read or written.