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Appendix

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DDS EN 2.3

No.

Possible remedy

Cause

4264

The selector of the CASE instruction must be INT-type.

Ensure that the selector is an integer or bitstring data type (DINT, DWORD, for example).

4265

Number expected after,

In the CASE selector list, another selector must be specified after a comma.

4266

At least 1 instruction required.

Enter an instruction, at least a semicolon.

4267

A function block call must start with an instance name.

The identifier in the function block call is no instance. Declare an instance of the required
function block, or use the name of an instance that has already been declared.

4268

Expression expected

Enter an expression at this position.

4269

END_CASE expected after ELSE branch

Complete the CASE instruction with an END_CASE after the ELSE branch.

4270

CASE constant %ld already in use

A CASE selector must be used once only within a CASE instruction.

4271

The lower limit of the specified range is greater than the
upper limit.

Correct the selector range limits so that the lower limit is not greater than the upper limit.

4272

Parameter <Name> expected at <Position> in <Name>
call!

If the function parameters within the function call are specified with parameter names, the
position of the parameters (sequence) must match that in the function definition.

4273

CASE range <range limits> overlaps with already used
range <range limits>

Ensure that the selector ranges specified in the CASE instruction do not overlap.

4274

Multiple ELSE branch in CASE instruction

A CASE instruction must not contain in excess of one ELSE branch.

4300

Jump or Return require a Boolean input

Ensure that the input for the jump or the Return instruction is a Boolean expression.

4301

Organization unit <Name> requires exactly <number>
inputs

The number of inputs does not match the number of VAR_INPUT and VAR_IN_OUT variables
specified in the organization unit definition.

4302

Organization unit <name> requires exactly <number>
outputs

The number of outputs does not match the number of VAR_OUTPUT variables specified in the
organization unit definition.

4303

<Name> is not an operator

Replace <name> with a valid operator.

4320

Non-Boolean expression <name> used for contact

The switching signal for a contact must be a Boolean expression.

4321

Non-Boolean expression <name> used for coil

The output variable of a coil must be BOOL-type.

4330

Expression expected at input EN of organization unit
<name>

Assign the input EN of organization unit <name> with an input or an expression.

4331

Expression expected at input <number> %d of organization
unit <name>

The input of the operator organization unit is not assigned.

4332

Expression expected at input <name> of organization unit
<name>

The input of the organization unit is VAR_IN_OUT-type and not assigned.

4333

Identifier expected in jump

The specified jump target is no valid identifier.

4334

Expression expected at jump input

Assign the jump input with a Boolean expression. If that is TRUE, the jump is executed.

4335

Expression expected at Return input

Assign the input of the Return instruction with a Boolean expression. If that is TRUE, the
return is executed.

4336

Expression expected at output input

Link the output with the expression that can be assigned to this output.

4337

Identifier expected for input

Insert a valid expression or identifier in the input box.

4338

Organization unit <name> has no real inputs

None of the inputs of operator organization unit <name> is assigned with a valid expression.

4339

Incompatible types at output: Cannot convert <name> into
<name>.

The expression in the output box is not type-compatible with the expression it is to be
assigned.

4340

Jump requires a Boolean input

Ensure that the input for the jump is a Boolean expression.

4341

Return requires a Boolean input

Ensure that the input for the Return instruction is a Boolean expression.

4342

Input EN of the box requires a Boolean input

Link the EN input of the organization unit with a valid Boolean expression.

4343

Constant assignment: Impermissible type for parameter
<name> of <name>: Cannot convert <type> into <type>.

You declared input <name> of organization unit <name> as VAR_INPUT CONSTANT, while
assigning it an expression in the dialog Parameters that is not type-compatible.

4344

S and R require Boolean operands

Insert a valid Boolean expression behind the Set or Reset instruction.

4345

Impermissible type for parameter <name> of <name>:
Cannot convert <type> into <type>.

You assigned an expression to input <name> of organization unit <name>, that is not
type-compatible.

4346

An output must not be a constant

The target of an assignment must be a variable or direct address with write access.

4347

VAR_IN_OUT parameter requires write-accessible variable

Write-accessible variables must be transferred to VAR_IN_OUT parameters as these can be
modified within the organization unit.

4350

An SFC action cannot be called from outside

SFC actions can be called only within the SFC organization unit within which they have been
defined.

4351

Step name is no permissible identifier: <name>.

Rename the step, and select a valid identifier for the name.

4352

Permissible step name : <name> followed by invalid
characters

Delete the impermissible characters in the step name.

4353

Step names used twice: <name>

Rename one of the steps.

4354

Jump to undefined step: <name>

Select an existing step name as the jump target, or insert a step with the as-yet undefined
name.

4355

A transition must not have any side effects (assignments,
FB calls etc.)

A transition must only contain a Boolean expression.

4356

Jump without valid step names: <name>

Use a valid identifier as jump target.

4357

IEC library not found

Check whether the library iecsfc.lib was integrated into the Library Manager, and whether
the library paths specified in the project options are correct.

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