SIMODRIVE 611 UNIVERSAL DIG.PLUG-IN CLOSED-LOOP CONTROL 2-AXES, CONN. FOR OPT. ENCODER POSITIONING OR POS. SET VALUE INTERFACE FOR 1FT6, 1FK6, 1FE1, 1FN1/2, 1PH2/4/6/7 STANDARD MOTORS, PREP. OPTIONAL SLOT