Watlow SD Series User Manual page 29

Pid controller/pid profiling controller
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Parameter Name
Description
[Sc; L o]
Process Scale Low
[Sc.Lo]
Set the low scale for process
inputs.
[Sc; h i]
Process Scale High
[Sc.hi]
Set the high scale for process
inputs.
[P1; L E]
Process Input Low Error
[P1.LE]
Set the low process value that
will cause an error to occur for
the process input.
[P1; H E]
Process Input High Error
Set the high process value that
[P1.HE]
will cause an error to occur for
the process input.
[rg; L o]
Units Scale Low
[rg.Lo]
Set the low range for process
input units.
[rg; h i]
Units Scale High
[rg.hi]
Set the high range for process
input units.
Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus. All temperature pa-
rameters through Modbus are in °F, by default. Writing to register 18 will toggle between °F and °C.
* 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.
** Static set point version only (SD_C-_ _ _ _- _ _ _ _ ).
*** Profiling version only (SD_R-_ _ _ _- _ _ _ _ ).
Watl o w S eri es SD
Settings
Range
(Integer values for Modbus in
parenthesis.)
0.00 to 20.00 mA: if
[`Sen] is set to [`mA]
(0000 to 20000)
0.00 to 10.00 V: if [`Sen]
is set to [uoLt] (0000 to
10000)
0.00 to 50.00 mV: if
[`Sen] is set to [~mu]
(0000 to 50000)
0.00 to 20.00 mA: if
[`Sen] is set to [`mA]
(0000 to 20000)
0.00 to 10.00V: if [`Sen]
is set to [uoLt] (0000 to
10000)
0.00 to 50.00 mV: if
[`Sen] is set to [~mu]
(0000 to 50000)
-1.00 to 10.00 mA (-100
to 1000)
-1.00 to 5.00 V (-100 to
500)
-1.00 to 25.00 mV (-100 to
2500) (two decimal plac-
es implied for Modbus)
10.00 to 21.00 mA (1000
to 2100)
5.00 to 11.00 V (500 to
1100)
25.00 to 51.00 mV (2500
to 5100) (two decimal
places implied for Mod-
bus)
-1999 to 9999 (1999000 to
9999000) (Set precision
with [P; d EC], Process
Decimal Places.)
-1999 to 9999 (-1999000
to 9999000) (Set preci-
sion with [P; d EC], Pro-
cess Decimal Places.)
27
Default
Modbus*
(less 40,001
offset)
Read/Write
4.00 mA
*73, 74 R/
[`Sen] is set to [`mA],
W (mA)
[`Sen] is set to [uolt].
*77, 78 R/
0.00 V
W (V)
[`Sen] is set to [`mu].
*331, 332
0.00 mV
R/W
(mV)
[`Sen] is set to [`mA],
20.00 mA
*75, 76 R/
W (mA)
[`Sen] is set to [uolt].
*79, 80 R/
5.00 V
W (V)
[`Sen] is set to [`mu],
*333, 334
50.00 mV
R/W
(mV)
-1.00 mA
325 R/W
[`Sen] is set to [`mA].
(mA)
[`Sen] is set to [uolt].
327 R/W
-1.00 V
(V)
[`Sen] is set to [`mu].
329 R/W
-1.00 mV
(mV)
21.00 mA
326 R/W
[`Sen] is set to [`mA],
(mA)
[uolt]. or [`mu].
11.00 V
328 R/W
51.00 mV
(V)
330 R/W
(mV)
-1999
*81, 82
[`Sen] is set to [`mA],
R/W
[uolt]. or [`mu].
[`Sen] is set to [`mA],
9999
*83, 84
[uolt]. or [`mu].
R/W
Appears if:
Chapt er 5 Se tup

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