Watlow Series SD31 ■ 23 ■ Chapter 5 Setup
Display Parameter Name
Description
Settings Range
(Integer values for Modbus
in parentheses.)
Default Modbus*
(less 40,001
offset)
Read/Write
Appears if:
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus.
* Low numbers contain the two lower bytes; high numbers contain the two higher bytes of the four-byte integer.
Decimal precision is set in another parameter.
** Timer model only (SD31-XXXX-XTXX)
[ti;En]
[ti.En]
Timer Enable
Set to enable the countdown timer func-
tion.
[`~no]
no (0)
[~YEs]
yes (1)
[`~no]
(0)
391 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[hour]
[hour]
Countdown Time Hours
Set the number of hours for the count-
down time.
0-99
hours
(0 to 99000)
0
392 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[Min]
[Min]
Countdown Time Minutes
Set the number of minutes for the count-
down time.
0-59
minutes
(0 to 59000)
0
393 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[`Sec]
[ SEc]
Countdown Time Seconds
Set the number of seconds for the count-
down time.
0-59
seconds
(0 to 59000)
0
394 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[ti;St]
[ti.St]
Timer Start Method
Select the method used to start the timer
sequence.
[imd]
Immediate (0)
[~rdy]
Ready (1)
[rdy;A]
Ready Acknowledge
(2)
[PWr]
Power Up (3)
[imd]
(0)
399 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[ti;SP]
[ti.SP]
Timer Set Point
Select what set point is used during tim-
ing.
[~Off]
Off (0)
[trac]
Track (1)
[PrE;s]
Preset (2)
[trac]
(1)
401 R/W
Timer model only,
SD31-XXXX-XTXX.
[`Ot1]
or
[`Ot2
]is set
to
[tim]
.
[`rdy]
[ rdY]
Ready Band
Set the deviation band, in degrees from
set point, that would be considered a
ready condition.
1-9999
degrees
(1000 - 9999000)
10
(10000)
*395, 396
R/W
Timer model only,
SD31-XXXX-XTXX.
[ti;St]
is set to
[~rdy]
or [
rdy;A].
[rdy;L]
[rdY.L]
Ready Light Enable
When enabled, the ready light will be lit if
the process value is within the ready
band.
[`~no]
no (0)
[~YEs]
yes (1)
[`~no]
(0)
400 R/W
Timer model only,
SD31-XXXX-XTXX.
[ti;St]
is set to
[~rdy]
or [
rdy;A].
[Ot`1]
[Ot 1]
Output 1 Function
Set Output 1 function.
[`OFF]
Off (0)
[Pr;AL]
Process Alarm (1)
[dE;;AL]
Deviation Alarm (2)
[hEAt]
Heat Control (3)
[CooL]
Cool Control (4)
[rMt]
Retransmit (6)
[tim]
Timer (7)**
[hEAt]
(3)
143 R/W
Always active.
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