Siemens SIMATIC S7-1500 Manual page 22

Address space for configuration as 1 x 64-channel DQ 64x24VDC/0.3A BA MSO
For the configuration as a 1 x 64-channel module (module-internal Shared Output, MSO),
channels 0 to 63 of the module are copied to multiple submodules. Channels 0 to 63 are then
available with identical values in various submodules. These submodules can be assigned to
up to four IO controllers when the module is used in a shared device:
• The IO controller to which submodule 1 is assigned has write access to outputs 0 to 63.
• The IO controllers to which submodule 2, 3, or 4 is assigned have read access to outputs 0
to 63.
The number of usable IO controllers depends on the interface module used. Please observe
the information in the manual for the particular interface module.
Value status (Quality Information, QI)
The meaning of the value status depends on the submodule involved.
For the 1st submodule (=basic submodule), the value status 1 indicates that the output value
specified by the user program is actually output at the module terminal.
Possible causes for value status = 0:
• Value is incorrect, for example, because the supply voltage is missing.
• IO controller of the basic submodule is in STOP mode.
For the 2nd to 4th submodule (=MSO submodule), the value status 1 indicates that the
output value specified by the user program is actually output at the module terminal.
Possible causes for value status = 0:
• Value is incorrect, for example, because the supply voltage is missing.
• IO controller of the basic submodule is in STOP mode.
• The basic submodule is not yet configured.
Digital output module DQ 64x24VDC/0.3A BA (6ES7522-1BP00-0AA0)
Equipment Manual, 07/2020, A5E48024569-AA
Address space
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