Epsilon EP-I Indexing Drive and FM-2 Indexing Module Reference Manual

How Chaining Works

Chaining is a way to combine two or more indexes into a single sequence. Any index can be chained to another index regardless of index type. By chaining multiple indexes together, the user is only required to perform a single index initiate to execute multiple indexes. Each index in the chain is performed exactly the same as if they were run individually.

Velocity

Index0

 

 

 

 

 

 

Index1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Index0

 

 

 

 

 

Index1

 

 

 

 

Dwell

 

 

 

 

 

Dwell

 

 

 

Time

Figure 66: Chaining Example

In the above example, Index0 is chained to Index1. When the user activates the Index Initiate, Index0 starts and, upon completion of Index0 (after Index0 Dwell), Index 1 is automatically initiated. Index1 could then be chained to a third index, or back to Index0 if desired.

All chaining configuration is done on the Chain tab on the Indexes screen. All index parameters are setup on the top portion of the screen. The chaining parameters are found on the Chain tab as shown below.

Figure 67: Index View – Chain Tab

Chaining Parameters

Several parameters must be setup in order to create an index chain. These parameters are as follows:

When this index is complete then:

This setting has four different options that define what will happen when the specific index is complete. The available options are Stop, Start Next Index, Wait for Run Next Index input function, or Compound into next Index. Stop is the default selection, so in a default configuration, no indexes are chained together.

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Emerson P/N 400518-02 manual How Chaining Works, Chaining Parameters, When this index is complete then