18 MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001A-ML-P
Table 12 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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