Channels view parameters (input devices)

The
Channels
 view for input devices includes these parameters:
TIP:
These parameters are not available in Run mode.
Parameter
Description
Channel
Displays the channel number to which this configuration applies.
Input Type
Indicates the input type. Available values are:
  • Current
  • Voltage
Input Range
Choose the current (-IE2C) or voltage (-IE2V) range.
  • The valid ranges for current are 4–20 mA (default) and 0–20 mA.
  • The valid ranges for voltage are 0–10V (default) and -10–10V.
High Signal
Displays the high signal value.
Low Signal
Displays the low signal value.
Units (Signal)
Shows the unit of measurement for
High Signal
 and
Low Signal
.
High Engineering
Choose the appropriate scaling high units. Set the value between -32768 and 32767.
  • The default value for current is 16383.
  • The default value for voltage is 10,000.
Low Engineering
Choose the appropriate scaling low units. Set the value between -32768 and 32767.
  • The default value for current is 3277.
  • The default value for voltage is 0.
Units (Engineering)
Shows the unit of measurement for
High Engineering
 and
Low Engineering
 and for the channel’s input value.
Digital Filter
Specifies the desired filter time constant, in milliseconds (ms). Set the value between 0 (default) and 10,000.
Disable Alarms
Determines whether process alarms are generated.
  • If selected, the device does not generate process alarms.
  • If cleared, the device generates process alarms.
Real Time Sample (RTS)
Choose the real time sample period.
The valid range depends on the Notch Filter value chosen. Refer to
Notch Filter
 for this value.
The default value is 100.
Notch Filter
Choose the desired filter frequency for the device.
The available values are:
  • 2 channel devices (-IE2C, -IE2V):
    • 50 Hz
    • 60 Hz (default)
    • 250 Hz
    • 500 Hz
The minimum and maximum RTS values allowed for Notch Filter are:
  • 2 channel devices (-IE2C, -IE2V):
    • 50 Hz (1): 120–10,000 ms
    • 60 Hz (2): 100–10,000 ms
    • 250 Hz (4): 24–10,000 ms
    • 500 Hz (6): 12–10,000 ms
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