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LT-4201TM/4301TM Hardware Manual
47
Output Management
Introduction
The LT includes Standard outputs and fast outputs.
The following output functions are configurable on fast outputs:
z
PWM Output
z
Pulse Output
z
High-speed Counter (Synchronize Output)
Fast Output Management Availability
The information refers to all LT with fast outputs:
Short-circuit or Over-Current on Outputs
There are two groups for the output's short circuit and over-current.
Group 1 (Fast Output) has a short-circuit protection circuit between the output and
V-. Group 2 (Standard Output) does not have this circuit.
LT-4201TM (Modular Type DIO) and LT-4301TM (Modular Type DIO)
z
Group 1: 2 points Fast Output (Q0 to Q1)
z
Group 2: 10 points Standard Output (Q2 to Q11)
LT-4201TM (Modular Type Analog) and LT-4301TM (Modular Type Analog)
- Group 1: 2 points Fast Output (Q0 to Q1)
- Group 2: 6 points Standard Output (Q2 to Q7)
The table describes the errors:
For more information on protecting outputs, refer to your controller wiring diagram
and to the general wiring rules
(see page 33)
.
The Standard outputs of this equipment do not have built-in reverse polarity
protection. Incorrectly connecting polarity can permanently damage the output
circuits or otherwise result in unintended operation of the equipment.
Output
Terminal Function
Q0 Pulse Output/CH 0, PWM Output/CH 0,
High-speed Counter (Synchronize Output)/CH 0
Q1 Pulse Output/CH 1, PWM Output/CH 1,
High-speed Counter (Synchronize Output)/CH 1
If... then...
you have a short-circuit at 0 V on Fast Output Fast Output is stopped and error message is
generated. For more details, refer to the GP-
Pro EX Reference Manual.
you have a short-circuit at 24 V on Fast
Output
the current crossing the Fast Output 2 is too
high