Electrical connections28 TZIDC, TZIDC-110, TZIDC-120 42/18-84-ENch5.4.2 Mechanical digital feedback with proximity switches1. Loosen the screws for the housing cover and remove it.CAUTION - Risk of injury!The device includes slot sensors with sharp edges. Use a screwdriver to adjust slot sensors.2. Set the upper and lower switching points for digital feedback as follows:• Select operating mode 1.2 (see page 36) and move the valve by hand into the lowerswitching position.• Use a screwdriver to adjust the slot sensor for proximity switch 1 (lower contact) until itcloses the contact (i.e. until shortly before entering the proximity switch) on the feedbackshaft; the slot sensor enters proximity switch 1 when rotating to the right of the feedbackshaft (viewed from the front).• Move the valve by hand into the upper switching position.• Use a screwdriver to adjust the slot sensor for proximity switch 2 (upper contact) until itcloses the contact (i.e. until shortly before entering the proximity switch) on the feedbackshaft; the slot sensor enters proximity switch 2 when rotating to the left of the feedback shaft(viewed from the front).3. Attach the housing cover and screw onto housing; hand-tighten screws.5.4.3 Mechanical feedback with micro switches for 24 V1. Set max. contact (1, lower washer); fasten the upper washer with the special adjustmentretainers and rotate lower disk manually to adjust.2. Set min. contact (2, upper washer); fasten the lower washer with the special adjustmentretainers and rotate upper disk manually to adjust.3. Connect the micro switch.4. Attach the housing cover and screw onto housing; hand-tighten screws.