Hardware manual

LT Installation
76
Power Supply Characteristics and Wiring
Overview
This section provides the wiring diagrams and the characteristics of the DC power
supply.
Power Supply Voltage Range
If the specified voltage range is not m
aintained, outputs may not switch as expected.
Use appropriate safety interlocks and voltage monitoring circuits.
DC Power Supply Characteristics
DANGER
FIRE HAZARD
Use only the recommended wire sizes for I/O channels an
d power supplies.
Failure to follow these instructions will result in death or serious injury.
WARNING
UNINTENDED EQUIPMENT OPERATION
Do not exceed any of the rated values spe
cified.
Failure to follow these instructions can result in death, serious injury, or
equipme
nt damage.
Reference Specification
Voltage rated 24 Vdc
range 20.4...28.8 Vdc
Power interruption time 10 ms at 20.4 Vdc
Maximum inrush current 30 A at 25 °C and at 28.8 Vdc
Con
tinuous
output
power
with display LT-4000M (Modular Type DIO)
and PFXXM4200TP (3.5 inch
display module) : 9 W
LT-4000M (Modular Type Analog)
and PFXXM4300TP (5.7 inch
display module) : 13 W
without display LT-4000M (Modular Type DIO):
7 W
LT-4000M (Modular Type Analog):
10 W
Insulation Resistance 500 Vdc, 10 MΩ or mor
e
Isolat
ion between DC power supply and
internal log
ic, I/O, and protective
ground (PE)
500 Vdc for 1 minute
Power supply reverse protection Yes