Watlow PM PLUS™ 6
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Chapter 5: Setup
Setup Lists
You will not see every parameter listed here. These vary depending on the features enabled on your device.
Units
Type of units the sensor measures.
Absolute Temperature
(1540)
Relative Humidity (1538)
Process (75)
Power (73)
Process
4042
Scale Low
Low scale for process inputs. This value, in
millivolts, volts or milliamps, corresponds to
the Range Low output
-100.00 to 1,000.00
0. 0
4015
Scale High
High scale for process inputs. This value in
millivolts, volts or milliamperes corresponds to
the Range High output of this function block.
-100.00 to 1,000.00
20.0
4016
Range Low
Set the low range for this function block's
output.
-1,999.000 to 9,999.000
0.0
4017
Range High
Set the high range for this function block's
output.
-1,999.000 to 9,999.000
9,999
4018
Process Error Enable
Turn the Process Error Low feature on or off. Off (62)
Low (53)
Off
4030
Proc.Error Low Value
If the process value drops below this value, it
will trigger an input error.
-100.00 to 1,000.00
0.0
4031
Thermistor Curve
Select a curve to apply to the thermistor input. Curve A (1451)
Curve B (1452)
Curve C (1453)
Custom (180)
Curve A
4038
Resistance Range
Set the maximum resistance of the thermistor
input.
5K (1448)
10K (1360)
20K (1361)
40K (1449)
40K
4037
Filter
Filtering smooths out the process signal to
both the display and the input. Increase the
time to increase filtering.
Note: Filter does not apply to the Limit sensor
but does apply to all other functions.
0.0 to 60.0 seconds
0.5
4014
Input Error Latching
Turn input error latching on or off. If latching
is on, errors must be manually cleared.
Off (62)
On (63)
Off
4028
Display Precision
Set the precision of the displayed value.
Whole (105)
Tenths (94)
Hundredths (40)
Thousandths (96)
Whole
4020
Calibration Offset
Offset the input reading to compensate for lead
wire resistance or other factors that cause the
input reading to vary from the process value.
-1,999.000 to 9,999.000°F
or units
-1,110.555 to 5,555.000°C
0.0
4012
Analog Input Value
View the process value. Ensure that the Error
Status is no error (61) when reading this value
using a field bus protocol. If an error exists,
the last known value prior to the error will be
returned.
-1,999.000 to 9,999.000°F
or units
-1,128.000 to 5,537.000°C
- - - -
4001
