Cable strain relief
You can use the two "+" shaped slots on the back of the display units for cable strain relief and hold cables in place. Thread a cable
tie (maximum 4 mm (0.15 in) wide) through the horizontal or vertical slot.
The cable routing must not block more than 20 % of the ventilation holes.
Mounting the display unit
To mount the display unit:
1. Check that a correctly sized panel cutout is available.
2. Check that there is enough space for the display unit.
• The display unit extends 44 mm (1.7 in) behind the panel.
• The wiring to the display unit terminals may also require some space.
• Ventilation space is required, as described above.
3. Flush mount the display unit using the six fixing screw clamps, which are included with the display unit.
a. Place the display unit in the panel cutout.
b. Hook and click a screw clamp into the screw clamp holes at the right-top position of the display unit. Turn the screw until the
display unit is secure. See the figure below for a graphical example of the step.
c. Repeat step 3b for the five remaining screw clamp positions.
d. If necessary, use your fingers or a screwdriver to tighten the screws. However, be careful not to exceed the recommended
torque (0.15 N·m (1.3 lb-in)).
4. Position the terminal connection blocks correctly, then press them firmly into the terminal connection slots.
• The terminal connection blocks are keyed to prevent incorrect mounting.
• The two terminal connection blocks are included in the box with the display unit.
Figure 3.4
Example of how to install the fixing screw clamp on the display unit.
3.4.4 Display unit cable strain relief
Use the cable tie slots on the display unit for cable strain relief.
The back of the display unit has four 4 mm wide cable tie slots. The cable ties can either be placed horizontally or vertically in the
cable tie slots. To use a slot, bend the end of the cable tie, then slide it through the slot.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 27 of 144
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