RM4200 Series User Guide
Configuration
48
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When a value is changed for a Reading or alarm, the field name will display in italics as a way of noting
that it has been edited.
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Values entered in input settings and alarm settings have relationships between their values. Be aware of
how each setting impacts other settings. If values entered in the setting and/or alarm fields are invalid,
validation warnings will display at the top of the screen with an explanation of the problem. You will not
be able to update the settings until the values entered are valid.
•
Instant Off has only one setting - Instant Off Edge Offset. It does not have any alarms.
Complete the following steps to edit input and alarms settings for Readings:
1
Tap a Reading name.
2
For each input setting, enter the appropriate value. The following are descriptions of the fields:
a
Input Type
— Defines the input as either millivolts or volts. Default is volts.
b
Input Maximum Value
— Maximum value for the input. This value must be greater than Input
Minimum Value. Default is 100 V.
c
Input Minimum Value
— Minimum value for the input. This value must be less than Input
Maximum Value. Default is -100 V.
d
Scaled Label
— A user-defined identification of the scaled setting.
e
Scaled Maximum Value
— Defines the maximum value that the input will be scaled. This value
must be greater than the Scaled Minimum Value. You can enter up to seven digits.
f
Scaled Minimum Value
— Defines the minimum value that the input will be scaled. This value
must be greater than the Scaled Maximum Value. You can enter up to seven digits.
g
Instant Off Edge Offset
— Defines the amount of wait time to take an instant off voltage
measurement after cathodic protection has been interrupted through an internal relay. Measured in
milliseconds (ms). This setting is only for Instant Off.
3
Enable one or both of the alarms - High and Low.
4
For each enabled alarm setting, enter the appropriate value. The following are descriptions of the fields:
a
High Alarm Value
— The high value for the input for when the unit will go into an alarm state.
b
High Alarm Deadband
— A range on either side of a alarm setting when no alarm will be
triggered.
c
Low Alarm Value
— The low value for the input for when the unit will go into an alarm state
d
Low Alarm Deadband
— A range on either side of a alarm setting when no alarm will be triggered.