ProSoft Technology ILX69-PBM, User Manual

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Communication ILX69-PBM ♦ CompactLogix™ or MicroLogix™ Platform
User Manual PROFIBUS Master Communication Module
Page 76 of 113 ProSoft Technology, Inc.
Global Control Registers
Bytes 8 to 11 contain the Global Control Registers . A Global Control request makes it
possible to send commands to single or multiple slaves. This request makes it possible
to do
Sync and Freeze functions.
Note: The same Global Control function can be also executed by CIP
message functionality described later in this manual.
Byte
Offset Data
Type Structure
Member Description
8 SINT SLA Slave Address
9 SINT CC Control Command, see table below
10 SINT GS Group Select, see table below
11 SINT Reserved Reserved
Slave Address
The SLA parameter allows the user to set the address of the slave in which the Global
Control command is to be sent. The value of 127 is a special global broadcast address,
all slaves are affected by this command at the same time.
Control Command
The CC parameter determines the function to be executed using the Global Control
Command.
Bit
Offset Data
Type Structure
Member Description
0 BOOL Reserved Reserved
1 BOOL Clear_data Clear output data
2 BOOL UnFreeze Unfreeze input data
3 BOOL Freeze Freeze input data
4 BOOL Unsync Neutralize the sync command or unsync
5 BOOL Sync Freeze output data, until sync command is neutralized
6 BOOL Reserved Reserved
7 BOOL Reserved Reserved
Combination of the Unsync/Sync and Unfreeze/Freeze bits:
Bit 2 or 4 Bit 3 or 5 Description
0 0 No function
0 1 Function (sync or freeze) is active
1 0 Function (unsync or unfreeze) is active
1 1 Function (unsync or unfreeze) is active