This logic module has three levels, which are attached with screws to a board that has a printed circuit on its solder side. On the exposed side of the top level there are printed circuits. On the reverse side there are several components, which are connected to the lower layers.
Manufacturer
Siemens
Identifying Numbers
Other number
56
Found on the sticker at the extraction end on the component side
Other number
PA1
Printed in solder in raised letters on the front of earch raised circuit on the component side
