Siemens SIMATIC ET 200AL, Системное руководство

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Counting
4.2 Configuration method 4xCount
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
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Equipment Manual, 08/2021, A5E38688112-AD
4.2.2 Parameters/address space
4.2.2.1 Parameters
In the configuration method 4xCount of the digital input / digital output module
DIQ 16x24VDC/0.5A 8xM12 the Channels 0 to 7 are used by the counting function. The
Channels 8 to 15 can be parameterized freely.
The following table shows the general parameter of the module.
Table 4- 21 General parameters
Parameters Value range Default Scope
Diagnostics: Missing load voltage
2L+
• Disable
• Enable
Disable Module
Diagnostics: Short-circuit to
ground
• Disable
• Enable
Disable Module
(Short-circuit of the
encoder supply or
of the output to
ground)
Behavior at CPU/master STOP
(8...15)
• Shut down
• Keep last value
• Output substitute
value
Shut down Module
(digital outputs)
The table below shows the parameters of Counter 0 to Counter 3.
Table 4- 22 Parameters of Counter 0 to Counter 3
Parameter Value range Default Scope
Counting behavior Counter 0 (DI0), Counter 1 (DI2), Counter 2 (DI4) and Counter 3 (DI6)
Input delay DI
• 0.05 ms
• 0.1 ms
• 0.4 ms
• 0.8 ms
• 1.6 ms
• 3.2 ms
• 12.8 ms
• 20 ms
0.05 ms Counter
Counting direction
• Forward
• Backward
Forward Counter
Edge selection
• On a rising edge
• On a falling edge
On a rising edge Counter