Crestron MC2E, Руководство по эксплуатации

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Crestron MC2E 2-Series Professional Media Controller
Analog Input Mode
In analog input mode, the Versiport is typically tied to a resistive load (such as a
humidity sensor) or a voltage source (both can be represented by box "A" in the
Versiport diagram).
When a resistive load is tied to a Versiport, the corresponding pullup resistor must be
enabled (again, this means that <
pu-disable > should be given the signal name 0 or
left undefined). This creates a voltage divider and provides a varying voltage level,
based on the current resistance of the sensor for the C2I-IO4 to read.
Example 4:
A resistive humidity sensor is tied to Versiport 1 (and < pu-disable1 > is low
or undefined). < i1 > assumes the corresponding analog value.
When a voltage source is tied to a Versiport, the corresponding pullup resistor should
be
disabled (the only case where the default setting should be overridden). This
allows the C2I-MC2-IO4 to read the value of the voltage source directly.
Example 5:
A voltage source is tied to Versiport 1 and < pu-disable1 > is given the
signal name 1. < i1 > assumes the corresponding analog value (ranging from
0 to 65535, or 0 to +10V on the input pin).
The C2I-MC2-IO4 does not propagate all changes in the analog values of its
Versiports, since this can lead to undesirable results if the input source is not clean or
has jitter. Rather, the <
MinChange > signals should be used to specify a "minimum
change" value, such that the C2I-MC2-IO4 will not propagate the new value until it
changes by <
MinChange >. (The default minimum change value is 2048.)
Example 6:
A voltage source is placed on Versiport 1 and < MinChange1 > is set to 10
via an Analog Initialize symbol. The value of < i1 > is not be propagated
until it changes by at least 10. If the current value is 500, then a new value
is not be reported until it changes to 510 or 490.
Slot 4: C2I-MC2-RY4
The C2I-MC2-RY4 provides four isolated relays for controlling low voltage contact
closure devices such as drapes, screens and lifts.
In Program Manager, drag the C2I-MC2-IO4 symbol from Program View to Detail
View .
Detail View of C2I-MC2-RY4 (slot 4) in SIMPL Windows’ Programming Manager
The symbol contains the following signals:
Signals
•
4 relays: < A1 > through < A4 >
Operations Guide – DOC. 6142 2-Series Professional Media Controller: MC2E
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