7
10. Connect the control cables
Make the connections according to the application. Keep the signal wire pairs twisted as near to the terminals as possible
to prevent inductive coupling.
1. Cut a hole into the rubber grommet and slide the grommet onto the cable with the remaining cone pointing down.
2. Ground the outer shield of the cable 360 degrees under the grounding clamp. Keep the cable unstripped as close to the
terminals of the control unit as possible. Ground also the pair-cable shields and grounding wire at the SCR1 terminal.
3. Tie all control cables to the provided cable tie mounts.
HVAC default configuration
Total load capacity of the auxiliary voltage output +24V (X2:10) is 6.0 W (250 mA / 24 V DC).
Terminals Wire size Tightening torque
+24V, DGND, DCOM, B+, A-, DGND, Ext. 24V 0.14 … 2.5 mm
2
(26 … 14 AWG)
0.5 … 0.6 N·m (0.4 lbf·ft)
DI, AI, AO, AGND, RO, OUT, IN, SGND 0.14 … 2.5 mm
2
(26 … 14 AWG)
Safe torque off (STO). Both circuits must be closed for
the drive to start. The drawing shows the simplified
connection of a safety circuit through safety contacts. If
STO is not used, leave the factory-installed jumpers in
place. See also section Safe torque off (STO).
R6…R9 only: Ext 24V AC/DC input to power up the
control unit when the main supply is disconnected.
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