Digital outputs, Warning – Proface LT4300M - 5.7 Modular HMI + Control" User Manual
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Digital Outputs
Transistor Output Characteristics
The table describes the characteristics of the transistor outputs:
Pulse Output/PWM Output/High-speed Counter (Synchronize Output) Characteristics
WARNING
UNINTENDED EQUIPMENT OPERATION
Do not exceed any of the rated values specified.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.
Characteristic
Value
Rated voltage
24 Vdc
Output range
19.2...28.8 Vdc
Output type
Sink/Source
Rated current
0.3 A/point, 3.0 A/common
Residual voltage
1.5 Vdc or less for I = 0.1 A
Delay
Off to on (0.3 A load): 1.1 ms
On to off (0.3 A load): 2 ms
NOTE: The delay is not including the cable delay.
Isolation
Method
Photo coupler Isolation
Between internal
logic
500 Vdc
Minimum resistor load
80
Ω at 24 Vdc
Cable length
Non-shielded: 50 m (164 ft)
Protection against short circuit
No
Terminal blocks
Type: 3.5 mm (0.137 in.) pitch
Terminal blocks are removable
NOTE: Refer to Protecting Outputs from Inductive Load Damage for additional information on this topic.
WARNING
UNINTENDED EQUIPMENT OPERATION
Do not exceed any of the rated values specified.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.