AMCI ANS1 ANYNET-I/O, Руководство пользователя

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Limit Switch Functionality
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Limit Switch Outputs
The ANS1 has a total of sixteen outputs, all of which can be used as limit switch outputs. (When using the
additional features described in chapter 3, outputs can be used to indicate faults or overflow conditions.) At
their most basic level, each output can be programmed to turn on and off up to four times within each trans-
ducer cycle based on the Global Machine Position. Four
Setpoint Pairs , each with a From Setpoint and a To
Setpoint , define the positions where the output changes state.
Figure 2.1 Basic Limit Switch Output
Limit Switch Offset
Each limit switch has a Limit Position Offset that allows you to offset where the limit switch fires in relation
to the Global Machine Position. You can program this offset directly, or through a Limit Position Preset
Value . Figure 2.2 below shows two limit switches with identical programming. The second has a positive
Limit Position Offset applied to it.
Figure 2.2 Offset Limit Switch Output
When using the Limit Position Preset Value functionality, you can preset the limit switch using a bit in the
network data. You also have the option of programming one of the sixteen inputs as a
Limit Position Preset
Input . Multiple limit switches can be associated with a single Limit Position Preset Input so they can be preset
as a group. You can also have multiple Limit Position Preset Inputs, each associated with one or more limit
switch outputs.
One Machine Cycle
From1 From2 To1 To2 From4 From3 To4 To3
Limit
Switch
One Machine Cycle
Limit Position Offset
Limit
Switch 1
Limit
Switch 2