User`s manual
Watlow Series SD ■ 38 ■ Chapter 6 Operations
Display Parameter Name
Description
Settings Range
(Integer values for Modbus
in parentheses.)
Default Modbus*
(less 40,001
offset)
Read/Write
Appears if:
Note: Parameters appear in the Operations Page only if activated from the Programming Page. See page 22 for Operations Page defaults.
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus. All temperature parame-
ters are in °F through 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.
[A1;hi]
[A1.hi]
Alarm 1 High
Set the high alarm set point.
Deviation: 0 to 9999
(0000 to 9999000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
999 (dev)
1500 (pro)
*100, 101
R/W
(dev)
*104, 105
R/W
(pro)
[Ot`1] is set to
[dE;AL] or [Pr;AL].
[A1;Lo]
[A1.Lo]
Alarm 1 Low
Set the low alarm set point.
Deviation: -1999 to 0
(-1999000 to 0000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
-999 (dev)
32 (pro)
*98, 99
R/W
(dev)
*102, 103
R/W
(pro)
[Ot`1] is set to
[dE;AL] or [Pr;AL]
[A2;hi]
[A2.hi]
Alarm 2 High
Set the high alarm set point.
Deviation: 0 to 9999
(0000 to 9999000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
999 (dev)
1500 (pro)
*115, 116
R/W
(dev)
*119, 120
R/W
(pro)
[Ot`2] is set to
[dE;AL] or [Pr;AL].
[A2;Lo]
[A2.Lo]
Alarm 2 Low
Set the low alarm set point.
Deviation: -1999 to 0
(-1999000 to 0000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
-999 (dev)
32 (pro)
*113, 114
R/W
(dev)
*117, 118
R/W
(pro)
[Ot`2] is set to
[dE;AL] or [Pr;AL].
[A3;hi]
[A3.hi]
Alarm 3 High
Set the high alarm set point.
Deviation: 0 to 9999
(0000 to 9999000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
999 (dev)
1500 (pro)
*130, 131
R/W
(dev)
*134, 135
R/W
(pro)
[Ot`3] is set to
[dE;AL] or [Pr;AL].
[A3;Lo]
[A3.Lo]
Alarm 3 Low
Set the low alarm set point.
Deviation: -1999 to 0
(-1999000 to 0000)
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
(-1999000 to 9999000)
-999 (dev)
32 (pro)
*128, 129
R/W
(dev)
*132, 133
R/W
(pro)
[Ot`3] is set to
[dE;AL] or [Pr;AL].