ABB 6550-500 Manual De Instrucciones página 37

Installation
The memory control unit 6550U-10x-500 cannot be
illuminated if it is used in combination with the control
element 6543-xxx. In order to prevent any mistakes or
error, please remove the lighting element from the control
element.
Slide Switch (see Fig. 1)
Applies only to 6550U-10x-500
Two different modes of operation are possible with the
Memory Pushbutton Controller (see also chapter
"Operation").
– Normal mode = Position below I ("as supplied" status).
– Pushbutton operation = Position above II
If necessary, change the slide switch position before
clipping on the Operating Element.
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