Code Alarm F60 Installation Manual Page 104

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I/O Control Parameters
104 S1A53838 09/2011
Analog Input Functions
Two analog inputs are supplied with the ATV212 drive. The terminals are designated VIA and VIB.
Analog Input VIA
z VIA can accept the following signal types:
- Voltage (V): 0–10 V, voltage or potentiometer input
- Current (I): 0–20 mA or 4–20 mA
The signal type (V or I) is selected by setting SW100 on the main control board.
For information on wiring, consult the ATV212 Installation manual.
z The slope and bias of the input signal are adjusted with parameters F201F204 and F470F471.
For more information, see page 106.
z VIA is configured as the speed reference input in the following macro-configurations:
- Run permissive
- 3-wire
- 4-20 mA.
z Relay output functions 34 and 35 can signal when VIA is being used as the speed reference source. For more
information, see table on page 101 and consult “I/O Control Parameters” on page 90.
z Relay output functions 52 and 53 can be used to signal the results of a comparison between the signal at VIA
and the speed reference commanded by [Frequency mode sel] (FMOd) or [Remote spd ref 2] (F207).
This function can also be used to send out a signal indicating whether the amount of processing and the
amount of feedback agree with each other. For more information, see table on page 98
. Also, consult “I/O
Control Parameters” on page 90
and review information about parameter F167 on page 115.
z The drive can enter a detected fault state if the VIA signal drops below a specified level for more than 300
mS. For more information, see parameter F633 on page 130 and code E-18 on page 150.
z VIA can serve as an analog or a logic input, depending on setting of parameter F109 (set to 0 for analog
input). Analog input is the factory setting. See page 90 for more information about parameter F109.
Analog Input VIB
z VIB can accept the following signal types:
z Voltage (V): 0–10V, voltage or potentiometer input
z PTC motor thermal sensor input. For more information, see parameters F645 and F646 on page 111.
z Adjust the slope and bias of the input signal with parameters F210 - F213 and F472 - F473. For
more information, see page 106.
z Relay output functions 52 and 53 can signal when VIA is being used as the speed reference source. For more
information, see table on page 102 and consult “I/O Control Parameters” on page 90.
z Relay output functions 60 and 61 can be used to signal the results of a comparison between the signal at VIB
and the speed reference commanded by [Frequency mode sel] (FMOd) or [Remote spd ref 2] (F207).
This function can also be used to send out a signal indicating whether the amount of processing and the
amount of feedback agree with each other. For more information, see table on page 98
. Also, consult “I/O
Control Parameters” on page 90
and review information about parameter F167 on page 115.
General
z The selection of VIA or VIB as the speed reference input in remote mode is made through parameters
[Frequency mode sel] (FMOd) and
[Remote spd ref 2] (F207). FMOd is the primary speed reference
source, while F207 is the secondary source. Switching between the two is determined by the setting of
parameter [Auto/man speed ref] F200. For more information, see page 108.
z Analog output terminal FM can be configured to provide a signal in proportion to the VIA or VIB signal levels.
See parameter FMSL, selections 13 and 14, on page 108.
z When PID control is enabled, VIA or VIB can serve as the setpoint input. Either VIA or VIB needs to be
selected as the feedback input. See page 110
for more information on parameter F360 and PID control.
z Information can be transferred between the serial communication network and the analog inputs via read and
write functions F870, F871, and F875-F879. For more information, see pages 140 to 141.
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