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Siemens DQ 4x24VDC/2A HS User Manual Page 26

Simatic et 200sp digital output module.
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Parameters/address space
4.6 Address space
Overview of operating modes, functions and parameters
The table below provides an overview of:
● The dependencies between the operating modes of the module and associated technical
functions
● The required parameter assignment for the respective operating mode
Table 4- 4
Operating modes, functions and parameters of the DQ 4×24VDC/2A HS
Function/Parameter assignment
Function
Isochronous mode required
Shortest sub-cycle (=sample
time)
Supported oversampling levels
(output rate)
Value status (QI)
Data length
Parameter assignment
Holding time valve control
Pulse width modulation duty
factor
Pulse width modulation time
period
Substitute value duty factor
Value status (quality information, QI)
The value status is always activated for the following module names in the GSD file:
● DQ 4×24VDC/2A HS (...) QI
Evaluating the value status
An additional byte is allocated in the input address space if you enable the value status for
the digital module. Bits 0 to 3 in this byte are each assigned to one channel. They provide
information about the validity of the digital value.
● Bit =1: No fault is present on the channel.
● Bit =0: Channel is disabled or there is a fault/error on the module.
If an error on a channel occurs with this module, the value status for all channels is 0.
26
Normal operation
Valve control in
normal operation
-
250 μs
1
×
1 byte
-
-
-
-
Operating mode
Pulse width modulation
-
250 μs
1
×
1 byte
8 bytes
×
×
×
-
Digital output module DQ 4x24VDC/2A HS (6ES7132-6BD20-0DA0)
Oversampling
-
×
250 μs
100 μs
1
2 to 32
-
16 bytes
-
-
×
×
Manual, 03/2015, A5E34944434-AA
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