ABB ACH580-01 Series Manuale di installazione e avviamento rapido - Pagina 9

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12. 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.

Cut a hole into the rubber grommet and slide the grommet onto the cable.

Ground the outer shield of the cable 360° 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 SCR terminal.

Tie all control cables to the provided cable tie mounts.

Default I/O connections (HVAC default configuration)

Total load capacity of the auxiliary voltage output +24V (X2:10) is 6.0 W (250 mA / 24 V DC).

Terminals

+24V, DGND, DCOM, B+, A-, DGND, Ext. 24V

DI, AI, AO, AGND, RO, OUT, IN, SGND

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.

Wire size

0.2 ... 2.5 mm

(24 ... 14 AWG)

0.14 ... 1.5 mm

(26 ... 16 AWG)

Tightening torque

0.5 ... 0.6 N·m (5 lbf·in)