20
!
!
Brake disc closed
Condition
contact
Brake disc free
Condition
contact
Disconnected
Connected
Connected
Disconnected
BLACK
COM.
BLUE
N.O.
BLACK
COM.
GREY
N.C.
COM.
N.C.
BLACK
COM.
BLUE
N.O.
Fig. 11
Shielding cable
(Grey)
Grounding
(Yellow green)
Power cables for
the U-V-W phases
(1 - 2 - 3)
• The power cable must be routed separately from the other cables.
• The motor power cable is shielded and the shield must be grounded.
• The encoder cable must be routed away from the motor power cable to avoid
electrical interference.
• The brake system has a power cable and another cable for the microswitch
contacts. (Fig. 12). All electrical data are listed on the label of the brake system.
The microswitch has two contacts: one open and one closed. (Fig. 13).
• These contacts indicate the brake condition (see Tab. 7).
Tab. 7
Cables for PTC probe
PTC (T5 - T6)
Cooling fans cables
(F7 - F8) [230Vac]
Cable
6.4 Electrical installation - Connections
The gearless machine is supplied with:
• Cable for the power supply of the motor [1 - 2 - 3, Ground, SC] (Fig. 11), for
the power supply of the cooling fan (230 Vac) [F7-F8] and of the PTC [T5-T6] (Fig.
11).
BLACK
GREY