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I/O MODULES DESCRIPTION
34 CIO Remote CAN Digital I/O Module GEK-106465A
Settings relative to Inputs:
Input Activation Voltage Threshold: This value can be from 0 to 255 volts. There is a single setting for all inputs in
the same group (inputs sharing the same common). In mixed and supervision boards there are two groups of inputs,
called A and B.
Debounce Time: This is the debounce time set for inputs (1 to 50 ms). The debounce time is the time window for
input filtering. If an input suffers a change of level that lasts less than this set time, the change will not be considered.
There is a single setting for all inputs in the same group.
Delay Input Time: This is the delay applied to the input signal; the default value is zero, meaning no delay; the
setting range is 0 to 60000 milliseconds (1 minute). This setting is used in slow switchgear applications.
This is not a grouped setting; there is a different setting for each input. It is important not to confuse this delay input
time with the debounce time used for filtering undesired transients in the input signal. The Debounce time is always
added to the delay input time.
Input Type: Type of logic associated to the physical input. Possible settings are, positive and negative.
Positive and Negative settings correspond to signals that are activated or deactivated with the input level, considering
the delay setting. Positive-edge, and Negative-edge settings correspond to signals that are activated with the change
of the input signal; in this case, the Delay Input Time will not be considered, only the Debounce Time; this edge
signals are deactivated automatically after one PLC scan cycle. FIGURE 5-2 shows the types of signals associated to
the different input configuration types.
FIGURE 5-2. INPUT LOGIC