158 Rockwell Automation Publication 1766-UM001I-EN-P - June 2015
Appendix A Specifications
Figure 1 - MicroLogix 1400 DC Input Power Requirements for 1766-L32BXB/A Unit
Figure 2 - 1766-L32BXB, 1766-L32BXBA FET Output
Maximum output current (temperature dependent):
4 8 121620
28
21
14
7
1766-L32BXB/A Typical Power Requirements
Calculated Expansion I/O Power Load (Watts)
In
p
u
t
P
o
w
e
r
R
e
q
u
ir
e
d
a
t
2
4
V
D
C
(W
a
t
t
s
)
0
Description General Operation High Speed Operation
(1)
(Output 2, 3 and 4 Only)
(1) Output 2, 3 and 4 are designed to provide increased functionality over the other FET outputs. Output 2, 3 and 4
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. Output 2, 3 and 4 also provide a pulse train output (PTO) or pulse width modulation
output (PWM) function.
Power supply voltage 24V DC (-15%, 10%) Class 2
On-state voltage drop:
at max load current
at max surge current
1V DC
2.5V DC
Not Applicable
Not Applicable
Current rating per point
max load
min load
max leakage
See graphs above
1.0 mA
1.0 mA
100 mA
20 mA
1.0 mA
Surge current per point:
peak current
max surge duration
max rate of repetition at 30 °C (86 °F)
max rate of repetition at 60 °C (140 °F)
4.0 A
10 ms
once every second
once every 2
seconds
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Turn-On Time (maximum) 11 µs 28 ns
Turn-Off Time (maximum) 89 µs2.3 µs
0.25
10°C
(50°F)
30°C
(86°F)
50°C
(122°F)
0.75A, 60°C (140°F)
1.5A, 30°C (86°F)
70°C
(158°F)
80°C
(176°F)
0.5
0.75
1.0
1.25
1.5
1.75
2.0
1.0
10°C
(50°F)
30°C
(86°F)
50°C
(122°F)
3.0A , 60°C (140°F)
6.0A , 30°C (86°F)
70°C
(158°F)
80°C
(176°F)
2.0
3.0
4.0
5.0
6.0
7.0
8.0
FET Current per Point FET Total Current
Current (Amps)
Current (Amps)
Temperature
Temperature
Valid
Range
Valid
Range
44532 44533
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