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4.1 External control elements
External control elements can actuate various functions:
'STOP': The operator can no longer be actuated, a moving door is
brought to a halt.
'OPEN': The door opens.
'CLOSE': The door closes.
4.2 Connecting external control elements with system plugs
Examples for external control elements with system plugs:
• Push button Command 612
Connecting the control elements
Note: If several key switches are connected, the coupling for plug systems (for series
connection), item no. 151 228, will be required. Instructions on connecting
several control elements are contained in the coupling's connection plan.
Connect the control elements with system plugs to the membrane keypad
(see fig. E/1).
When using key switches, they have to be converted to the 'OPEN - CLOSE'
function.
4. Connection and initial operation of the extensions
