Prosoft-technology PS69-DPS User Manual download pdf (Page 77)

PS69-DPS ♦ CompactLogix or MicroLogix Platform Reference

Profibus DP Slave Communication Module User Manual

ProSoft Technology, Inc. Page 77 of 108

May 9, 2014

MSB := Module Status Bits

Bit Offset

Structure Member

Data Type

Description

Reserved

BOOL

Reserved

BOOL

Reserved

BOOL

Reserved

BOOL

Reserved

BOOL

Reserved

COM

BOOL

Communication

RUN

BOOL

Run

RDY

BOOL

Ready

 RDY (Ready)

When this bit is set, the module is operational. The RDY-Bit should always be set

by the module. If this bit is not set a system error has occurred and the

communication between controller and module is not possible.

 RUN (Run)

When the RUN-bit is set, the module is ready for communication. Otherwise an

initialization error or incorrect Parameterization occurs.

 COM (Communication)

When this bit is set, the communication is started and the module is engaged in

cyclic data exchange with the Master.

These three bits are the most important bits that the controller application can

use to monitor the communication and operating status of the module

Firmware Revision

This data field, which is part of the input image of the PROFIBUS Slave module,

will contain the current firmware revision. The Minor revision indication will be in

the low byte and the Major revision will be in the high byte. The Firmware Field is

placed in the Input area as shown in the following table.

Byte Offset

Structure Member

Data Type

Description

FwMinor

SINT

Firmware Minor Revision

FwMajor

SINT

Firmware Major Revision

6-7

Reserved

INT

Reserved

Example:

If FwMajor = 10 and FwMinor = 1 then the firmware revision is 10.1.

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 107 108

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