Watlow Series SD31 PID with Optional Countdown Timer - Manual (Page 34)

Wa t l o w S e r i e s S D 3 1
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32
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C h a p t e r 6 O p e r a t i o n s
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 on the Operations Page only if activated from the Programming Page. See page 16 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.
* 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.
Caution: Writing to registers continuously, such as ramping set points via comms, will damage the SD31 EEPROM memory. See page 59.
[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
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
999 (dev)
1500 (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
Process: range of sensor, if
[`SEN] is set to [``tc] or
[`rtd]
-1999 to 9999 if [`SEN] is
set to [`Ma] or [uolt].
-999 (dev)
32 (pro)
[Ot`2] is set to
[dE;AL] or [Pr;AL].
[hour]
[hour]
Countdown Time - Hours
Displays the number of hours remaining
for the countdown time.
0 to 99
hours
(0 to 99000) 0 375 R Timer model only,
SD31-XXXX-XTXX.
[`Ot1] or [`Ot2]is set
to
[tim].
[Min]
[Min]
Countdown Time - Minutes
Set the number of minutes remaining for
the countdown time.
0 to 59
minutes
(0 to 59000) 0 376 R Timer model only,
SD31-XXXX-XTXX.
[`Ot1] or [`Ot2]is set
to
[tim].