7 FUNCTIONS
7.4 Short-Circuit Detection Function
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7
7.4
Short-Circuit Detection Function
This function detects a short-circuit in each channel to prevent overcurrent or an excessive temperature rise.
Description
If the IO-Link module detects a short-circuit, the module performs the current limiter operation (that imposes a limit on the
output current to a constant value and keeps the output).
If the load current becomes equal to the overcurrent detection value or lower, the module returns to normal operation.
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Judgment value for short-circuit detection
A short-circuit is detected per channel if the following conditions are met.
• L+ terminal: A short-circuit is detected if the output current is 1.6A or more.
• CQ and Q terminals: A short-circuit is detected if the output current is 3A or more.
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Notification of a detected short-circuit
If a short-circuit is detected, Channel n (CQ/Q) short-circuit detection flag (RX10 to RX1F) and Channel n (L+) short-circuit
detection flag (RX20 to RX27) turn on.
For details on the remote input signal (RX), refer to the following.
Page 132 Channel n (CQ/Q) short-circuit detection flag (RX10 to RX1F)
Page 133 Channel n (L+) short-circuit detection flag (RX20 to RX27)
Setting procedure
This function is always enabled and parameter setting is not required.
Содержание CC-Link IE Field NZ2GF12A-60IOLH8
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