Rockwell Automation 1764-28BXB MicroLogix 1500 Programmable Controller Base Units User Manual

Page 19

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MicroLogix™ 1500 Programmable Controller Base Units 19

Publication 1764-IN001B-EN-P

Table 13 1764-28BXB FET Output Specifications

Specification

General Operation

(Outputs 2 thru 7)

High Speed Operation

(1)

(Outputs 2 and 3 Only)

(1) Outputs 2 and 3 are designed to provide increased functionality over the other FET outputs (4 through 7).

They may be used like the other FET transistor outputs, but in addition, within a limited current range, they
may be operated at a higher speed. Outputs 2 and 3 also provide a pulse train output (PTO) or pulse width
modulation output (PWM) function.

User Supply Voltage

minimum

20.4V dc

20.4V dc

maximum

26.4V dc

26.4V dc

On-State Voltage
Drop

at maximum load
current

1V dc

Not Applicable

at maximum surge
current

2.5V dc

Not Applicable

Current Rating per
Point

maximum load

1A at 55°C (131°F)

1.5A at 30°C (86°F)

100 mA

minimum load

1.0 mA

10 mA

maximum leakage

1.0 mA

1.0 mA

Surge Current per
Point

peak current

4.0A

Not Applicable

maximum surge
duration

10 msec

Not Applicable

maximum rate of
repetition at 30°C
(86°F)

once every second

Not Applicable

maximum rate of
repetition at 55°C
(131°F)

once every 2 seconds Not Applicable

Current per Common

maximum total

6A

6A

Turn-On Time

maximum

0.1 msec

6 µsec

Turn-Off Time

maximum

1.0 msec

18 µsec

Repeatability

maximum

n/a

2 µsec

Drift

maximum

n/a

1 µsec per 5°C

(1 µsec per 9°F)

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