4 command control block (9902), Command control block (9902) – ProSoft Technology PTQ-104C User Manual

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49TPTQ-104C ♦ 48TQuantum Platform

Module Configuration

47TIEC 60870-5-104 Client

12TUser Manual

The following fields are used for each 6-word record in the command list:

Word Offset

Definitions

Description

0

Database Index

Address in module to associate with the command

1

Session Index

Session index defined in the module to associate
with the command.

2

Sector Index

Sector index for session as defined in the module.

3

Data Type

ASDU data type associated with the command.

4

Point Index

Information object address for the point on which
command operates.

5

Qualifier

Qualifier as defined for the command list. This
parameter is data type dependent.

Block Format from Module (3x Register Data) to Processor

Word Offset in Block

Data Field(s)

Description

0

Sequence
Counter

This field contains a new value each time the block is
handled.

1

Block ID

This field contains the block identification code of
9901 for the block.

2 to 63

Spare

Not used.

5.3.4 Command Control Block (9902)

The block 9902 identification code is used by the PLC to send a list of commands
to be placed in the command queue. Commands placed in the queue with this
method need not have their enable bit set.

Block Format from Processor (4x Register Data) to module

Word Offset in Block

Data Field(s)

Description

0

Sequence
Counter

This field contains a new value each time the user
wishes to request a new command block.

1

Block ID

This field contains the value of 9902 identifying the
enable command to the module.

2

Command
count

This field contains the number of commands to enable
in the command list. Valid values for this field are 1 to
60.

3 to 62

Command
Numbers to
enable

These 60 words of data contain the command numbers
in the command list to enable. The commands in the
list will be placed in the command queue for immediate
processing by the module. The first command in the list
has an index of 0.

63

Spare

Not Used

Block Format from Module (3x Register Data) to Processor

Word Offset in Block

Data Field(s)

Description

0

Sequence
Counter

This field contains a new value each time the block is
handled.

1

Block ID

This field contains the block identification code of 9902
for the block.

ProSoft Technology, Inc.

Page 55 of 136

March 4, 2013

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