User guide

Watlow Series SD Limit ■ 30 ■ Chapter 6 Operations
Note: Parameters appear in the Operations Page only if activated from the Programming Page.
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus.
* Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer. Decimal
precision is implied at three decimal places unless otherwise noted.
Display Parameter Name
Description
Settings Range
(Integer values for Modbus
in parentheses.)
Default Modbus*
(less 40,001
offset)
Read/Write
Appears if:
Operations Parameters Table
6
These parameters can be selected to appear in the Operations Page. Select parameters to appear in the Operations
Page in the Programming Page.
Press the Advance Key ‰ from the Home Page to enter the Operations Page. To return to the Home Page, press
the RESET Key.
[L1;Lo]
[L1.Lo]
Limit 1 Low
Set the low limit set point value for Out-
put 1.
[SP;Lo] to [SP;hi]
74
*102, 103
R/W
[LSd1] is set to
[both] or [Low].
[L1;hi]
[L1.hi]
Limit 1 High
Set the high limit set point value for
Output 1.
[SP;Lo] to [SP;hi]
75
*104, 105
R/W
[LSd1] is set to
[both] or [high].
[L2;Lo]
[L2.Lo]
Limit 2 Low
Set the low limit set point value for Out-
put 2.
[SP;Lo] to [SP;hi]
74
*117, 118
R/W
If [Ot~2] is set to
[LIM] and [LSd2] is
set to [both] or
[Low].
[L2;hi]
[L2.Lo]
Limit 2 High
Set the low limit set point value for Out-
put 2.
[SP;Lo] to [SP;hi]
75
*119, 120
R/W
If [Ot~2] is set to
[LIM] and [LSd2] is
set to [both] or
[high].
[A2;lo]
[A2.Lo]
Alarm 2 Low
Set the low alarm set point for Output
2.
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma], [uolt], or
[`Mu].
(-1999000 to 9999000)
32
*117, 118
R/W
If [Ot~2] is set to
[Pr;AL]
[A2;hi]
[A2.hi]
Alarm 2 High
Set the high alarm set point for Output
2.
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma], [uolt], or
[`Mu].
(-1999000 to 9999000)
1500
*119, 120
R/W
If [Ot~2] is set to
[Pr;AL]
[L3;Lo]
[L3.Lo]
Limit 3 Low
Set the low limit set point value for Out-
put 3.
[SP;Lo] to [SP;hi]
74
*132, 133
R/W
If [Ot~3] is set to
[LIM] and [LSd3] is
set to [both] or
[Low].
[L3;hi]
[L3.Lo]
Limit 3 High
Set the low limit set point value for Out-
put 3.
[SP;Lo] to [SP;hi]
75
*134, 135
R/W
If [Ot~3] is set to
[LIM] and [LSd3] is
set to [both] or
[high].
[A3;lo]
[A3.Lo]
Alarm 3 Low
Set the low alarm set point for Output
3.
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma], [uolt], or
[`Mu].
(-1999000 to 9999000)
32
*132, 133
R/W
If [Ot~3] is set to
[Pr;AL]