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4.8
Digital Input and Output
4.8.1 Definition
STDF EC provides 3 default inputs (ORIGIN, LIMIT+, LIMIT-) and 7 user inputs and also 1
default output (BRAKE) and 6 user outputs.
4.8.2 Related Objects
Table 4-32: I/O related Objects.
Object
Access
Description
Object 60FDh: Digital inputs
RO
Indicates input signals.
Object 60FEh: Digital outputs
Sub-Index 1 - Physical Output
Sub-Index 2 - -Bit Mask
R/W
R/W
Set output signals.
Set output signals.
Object 2001h: Sensors logics
R/W
Set Active Level of ORIGIN, LIMIT+, LIMIT-
input signals.
Object 2002h: Reverse limit
direction
R/W
Exchange LIMIT+ and LIMIT- inputsignals.
Object 2011h: Digital input
levels
R/W
Active Level of user inputs.
Object 2012h: Digital output
levels
R/W
Active Level of user outputs.
Object 2010h: Brake delay
R/W
Set Delay at BRAKE output.
4.8.3 User I/O
Able to set Active Level of user I/O through Digital input levels, Digital output levels.
Following picture describes the relationship between Digital inputs and Digital input levels
and Digital outputs and Digital output levels.
Figure 4-21: Digital I/O Level.
