Bosch Rexroth BTV 20.4A, Руководство по планированию

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Fig.9-5: BT bus overview
Addressing
The BT bus is addressed by assigning a logical user number in the I/O editor
of the PLC programming interface. Each input image memory, as well as each
output image memory, is assigned its own address.
Each of the two image memories has a size of 128 bytes, which are available
for the connected operating devices. The number of bytes assigned in the
memory depends on the operator panel (see fig. 9-6 "Memory requirements of
the operating devices" on page 113 ).
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Rexroth MTA 200 | Project Planning Manual
PLC Modules MTS-P01.2 and MTS-P02.2