Routing the cables in the mounting arm adapter
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Cable damage due to incorrect cable routing Incorrect cable routing can cause cable damage when rotating and tilting the mounting arm adapter.
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The connections of the control panel are located inside the mounting arm adapter. The 19-pin round connector is used to connect the power supply and the push buttons S1-S4 of the push button extension. To avoid cable damage, it is essential that you follow the cable routing shown, each with the mounting arm adapter oriented downwards (see Fig. 30).
For the CP3921-1500-0000 (section A) you have to lay the signal and power supply cable (1) further to the right and the data cables (2) further to the left. You must fix the cables to the strain relief rail with cable ties as follows:
- The signal and power supply cable (1) on the far right of the strain relief rail by pulling the cable tie through the second and third straps from the right.
- Attach the data cables (2) further to the left of the strain relief rail, using a cable tie to secure both cables together. Use the two leftmost straps for this purpose.
For the CP3921-1500-0010 (section B) you have to lay the signal and power supply cable (1) further to the right and the data cable (2) further to the left. You must fix the cables to the strain relief rail with cable ties as follows:
- The signal and power supply cable (1) on the far right of the strain relief rail by pulling the cable tie through the second and third strap from the right.
- The data cable (2) further to the left on the strain relief rail by pulling the cable tie through the outer left strap.
When routing the cables for both device versions, follow the steps below:
- Loosen the Torx TX20 screw of the strain relief rail (section A).
- Rotate the strain relief rail by 180° to the left (section B).
- Route the signal and power supply cable inside the mounting arm adapter as shown in Figure 28.
- Route the data cables inside the mounting arm adapter as shown in figure before.
- Rotate the strain relief rail back over the cable (section C).
- Tighten the Torx TX20 screw again (section D).
- Fasten the cable to the strain relief rail with cable ties.
The figure shows the steps, taking the CP3921-150x-0000 as an example. The procedure is the same regardless of the product version.
The cables pass through the mounting arm tube into the connection compartment of the mounting arm adapter.