Omron FQM1-MMP21, FQM1-CM001, FQM1-MMA21 operation manual 5-2Data Exchange between Modules, Section

Models: FQM1-MMP21 FQM1-MMA21 FQM1-CM001

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Data Exchange between Modules

Data Exchange between Modules

Section 5-2

5-2 Data Exchange between Modules

The three methods for data exchange between Coordinator and Motion Con- trol Modules are outlined in the following table. These methods can be used

simultaneously.

 

Method

Outline

Description

 

 

 

 

1.

Cyclic refresh

Exchanges data each

A Cyclic Refresh Area is allocated for each Motion Control

 

 

Coordinator Module cycle.

Module in the Coordinator Module.

 

 

 

 

2.

Synchronous

Broadcasts data at a spec-

Specified synchronous data is broadcast from each Motion

 

data refresh

ified sync cycle.

Control Module and the Coordinator Module. All other

 

 

 

Modules receive and share the data in the Synchronous

 

 

 

Data Link Bit Area.

 

 

 

 

3.

DM data

Transfers large volumes of

Data is transferred in the specified direction between the

 

transfer

data between a specified

specified DM Area words of a specified Motion Control

 

 

Motion Control Module and

Module and the specified DM Area words of the Coordina-

 

 

the Coordinator Module

tor Module when the DM Write Request Bit (A530.00) or

 

 

when required.

DM Read Request Bit (A530.01) in the Auxiliary Area of

 

 

 

the Coordinator Module is turned ON.

 

 

 

 

Coordinator

Module

Cyclic

Refresh

Area

Sync Data

Link Bit

Area

Motion Control

Motion Control

Module #1

Module #2

Cyclic

Cyclic

Refresh

Refresh

Area

Area

1. Cyclic refresh

Sync Data

Sync Data

Link Bit

Link Bit

Area

Area

Motion Control Module #3

Cyclic

Refresh

Area

Sync Data

Link Bit

Area

Motion Control Module #4

Cyclic

Refresh

Area

Sync Data

Link Bit

Area

Specified

DM Area

words

2. Synchronous data refresh

Specified DM Area words

3. DM data transfer

105

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Omron FQM1-MMP21, FQM1-CM001, FQM1-MMA21 operation manual 5-2Data Exchange between Modules, Section