6
vacon • 104 Electrical cabling and connections
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
drive. The keypad is connected to the control unit with an RS232 cable and mounted on the
enclosure door. Pay special attention to the grounding of the cable, see instructions below.
Figure 51. Control unit installed into the mounting box; Left: front; Right: back
1. If the keypad sits in its place on the control unit, remove the keypad.
2.
Connect the male end of the keypad cable to the D-connector of the control unit. Use VACON
®
RS232 cable included in the delivery. Figure 1.
3. Run the cable over the top of the box and secure with plastic band on the backside. Figure 2.
4.
Grounding of keypad cable
: Earth the keypad cable in the mounting box frame by fixing the
branch cable with a screw underneath the control unit. See Figures 3 and 4.
5.
Mount the control unit mounting box in the front-left corner of the enclosure using two
screws as shown in Figure 5. NOTE! Do not install the mounting box floating (with e.g. plastic
screws). To ensure a proper grounding of the control unit box assembly, we recommend that
an additional grounding cable be drawn from the mounting box and connected to the cabinet
frame. Use a braided copper cable designed for high-frequency signals. Remember to
remove the paint from the enclosure grounding point to ensure proper connection for the
grounding cable.
6.
Connect the optical cables (or the flat cable) to the power unit. See Chapter 6.3.2 and Figures
6 and 7.
7.
Connect the female end of the keypad cable to keypad on the enclosure door, Figure 8. Use a
cable channel for the cable run, Figure 9.
Figure. 1
Figure. 2
Figure. 3
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