Rockwell-automation 1503 IntelliVAC Contactor Control Module - Series Manual de usuario descargar pdf (Pagina 45)

5-6 Monitoring and Troubleshooting

1503-UM 052D-EN-P – Ju ne 2013

Contactor Status (cont.)

Table 5.C – Module Troubleshooting (cont.)

Problem or Trip Indicated Indication of the following conditions Possible Solutions

Contactor opens during operation

• Motor Protection activated

• Investigate and reset.

• Stop command initiated

• Verify circuit

• Module Status LED ‘Red’ (Series C)

or ‘Yellow – Flashing’ (Series D)

• Undervoltage fault (no TDUV), control voltage dipped

below trip point. Verify voltage levels are 110 to 240

VAC, 110 to 250 VDC.

• With external capacitor and TDUV feature activated,

undervoltage condition for longer than programmed

TDUV time. Undervoltage fault activated.

•

Module Status LED ‘Green’ and Contactor Status LED

‘Red Flash 2’ (Series C)

• Module Status LED ‘Yellow –

R2’ and Contactor Status

LED ‘Off’

• Contactor Status feedback between Terminals 11 and

12 on the IntelliVAC has closed. The IntelliVAC will de-

energize the coil, thinking the contactor has opened

for other reasons.

• Both status LEDs ‘Off’

• Check control voltage and internal control fuse. (Refer

to Figure 4.1 for location.)

Contactor does not open (mechanical latch) •

Module Status LED ‘Yellow’ and Contactor Status LED

‘Yellow’

• Trip mechanism is damaged. Inspect and replace if

needed.

• Check for loose connections in the control circuit.

Contactor does not open

(electrically held)

• Series C – Module Status LED ‘Green’ and Contactor

Status ‘Red Flash 3’

• Series D – Module Status LED ‘Yellow – R3’ and

Contactor Status LED ‘Yellow’

• Contactor welded or mechanisms binding. Inspect and

repair if needed.

Refer to Table 5.A (Series C) or Table 5.B (Series D) for definition of Module

LED states.

Table 5.D – Minimum IntelliVAC Operational Supply Voltages

Voltage Level

Contactor Rating

(Amps)

Minimum Voltage

(VAC, 47 to 63 Hz)

Pick-Up 400/800 95

Drop-Out 400/800 75

Trip (Mechanical Latch)

400 70

800 80

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 51 52 53

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