3 symbolic variable names, Symbolic variable names, Busserver s7 – Lenze Drive Server Bus server S7 getting started User Manual

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Busserver S7

L

111

Busserver S7 DE/EN 1.0

6.5.3

Symbolic variable names

Symbolic variable names are used in the “LenzeDriveServer” example project. These names are saved

in the symbol table.

Input parameters:

Symbol

Address

Data type Comment

Enable

M10.0

BOOL

TRUE = Enable drive

QSP

M10.1

BOOL

TRUE = Set quick stop

Reset

M10.2

BOOL

TRUE = Reset TRIP in the drive

TriggerRead

M10.6

BOOL

TRUE = Start reading a parameter

TriggerWrite

M10.7

BOOL

TRUE = Start writing a parameter

Code

MW202

WORD

Lenze code number of the parameter

Subcode

MB201

BYTE

Lenze sub-code number of the parameter

WriteValue

MD204

DINT

Value to be transmitted (FIX32)

ControlWord

MW24

WORD

Control word according to DRIVECOM specification

Bit0 ... Bit4 are hidden and cannot be written.

PB-Address

MB200

BYTE

PROFIBUS address of the drive

TimeOutTimer_OPC T1

TIMER

Timer for monitoring the drive

DB-OPC-Server

DB80

DB80

Data block for parameter data jobs via OPC

S7-Parameter

DB81

DB81

Data block for parameter data jobs from the PLC

Output parameters:

Symbol

Address

Data type Comment

RDY

M30.0

BOOL

TRUE = Drive is ready for operation

TRIP

M30.1

BOOL

TRUE = TRIP set in the drive

BUSY

MB150

BYTE

TRUE = Parameter data jobs are still being processed

ActualValue1

MW32

INT.

Actual process value

Setpoint1

MW20

INT.

Setpoint process value

ReadValue

MD224

DINT

Read value (FIX32)

StatusWord

MW36

WORD

Status word according to DRIVECOM specification

WriteStatus

MB210

BYTE

Status of the function

FC90 (FC Parameter) when writing a

parameter

ReadStatus

MB220

BYTE

Status of the function

FC90 (FC Parameter) when reading a

parameter

WriteResult

MD214

DINT

Error code displayed when writing a parameter was not
successful

Value

MD228

DINT

Contains parameter W_Value within the read routine; can be
ignored when reading a parameter

We recommend the use of symbolic variable names for clarity. However, they are not compulsory.

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