Electrical connections
28 TZIDC, TZIDC-110, TZIDC-120 42/18-84-EN
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5.4.2 Mechanical digital feedback with proximity switches
1. 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 lower
switching position.
• Use a screwdriver to adjust the slot sensor for proximity switch 1 (lower contact) until it
closes the contact (i.e. until shortly before entering the proximity switch) on the feedback
shaft; the slot sensor enters proximity switch 1 when rotating to the right of the feedback
shaft (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 it
closes the contact (i.e. until shortly before entering the proximity switch) on the feedback
shaft; 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 V
1. Set max. contact (1, lower washer); fasten the upper washer with the special adjustment
retainers and rotate lower disk manually to adjust.
2. Set min. contact (2, upper washer); fasten the lower washer with the special adjustment
retainers and rotate upper disk manually to adjust.
3. Connect the micro switch.
4. Attach the housing cover and screw onto housing; hand-tighten screws.
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