Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers User Manual

Page 98

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Publication 1762-UM001G-EN-P - March 2011

A-6 Specifications

Table A.7 Normal DC Input Filter Settings (Inputs 4 and higher)

Nominal Filter Setting (ms) ON Delay (ms)

OFF Delay (ms)

Maximum Frequency (Hz)
50% Duty Cycle

Minimum Maximum

Minimum Maximum

0.500

0.090

0.500

0.020

0.500

1.0 kHz

1.000

0.500

1.000

0.400

1.000

0.5 kHz

2.000

1.100

2.000

1.300

2.000

250 Hz

4.000

2.800

4.000

2.700

4.000

125 Hz

8.000

(1)

5.800

8.000

5.300

8.000

63 Hz

16.000

11.000

16.000

10.000

16.000

31 Hz

(1) This is the default setting.

Table A.8 Relay Contact Ratings

Maximum Volts

Amperes

Amperes
Continuous

Volt-Amperes

Make

Break

Make

Break

240V ac

7.5A

0.75A

2.5A

(1)

1800 VA

180 VA

120V ac

15A

1.5A

2.5A

(1)

1800 VA

180 VA

125V dc

0.22A

(2)

1.0A

28 VA

24V dc

1.2A

(2)

2.0A

(1) 1.5A above 40°C.

(2) For dc voltage applications, the make/break ampere rating for relay contacts can be determined by dividing 28 VA by

the applied dc voltage. For example, 28 VA/48V dc = 0.58A. For dc voltage applications less than 14V, the make/break
ratings for relay contacts cannot exceed 2A.

Table A.9 Working Voltage (1762-L24AWA, 1762-L40AWA)

Attribute

1762-L24AWA, 1762-L40AWA, 1762-L24AWAR, 1762-L40AWAR

Power supply input to backplane isolation Verified by one of the following dielectric tests: 1836V ac for 1 second or 2596V dc for 1 second

265V ac Working Voltage (IEC Class 2 reinforced insulation)

Input group to backplane isolation

Verified by one of the following dielectric tests:1517V ac for 1 second or 2145V dc for 1 second

132V ac Working Voltage (IEC Class 2 reinforced insulation)

Input group to input group isolation

Verified by one of the following dielectric tests:1517V ac for 1 second or 2145V dc for 1 second

132V ac Working Voltage (basic insulation)

Output group to backplane isolation

Verified by one of the following dielectric tests: 1836V ac for 1 second or 2596V dc for 1 second

265V ac Working Voltage (IEC Class 2 reinforced insulation)

Output group to output group isolation

Verified by one of the following dielectric tests: 1836V ac for 1 second or 2596V dc for 1second

265V ac Working Voltage (basic insulation) 150V ac Working Voltage (IEC Class 2 reinforced
insulation).

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