Watlow SD Series User Manual page 40

Pid controller/pid profiling controller
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Display
Parameter name
Description
[dE; C L]
Derivative Cool
[dE.CL]
Set the PID derivative time in
minutes for the cool outputs.
[dB; C L]
Dead Band Cool
[db.CL]
An offset of the cooling pro-
portional band from the set
point.
[C; h yS]
Cool Hysteresis
[C.hyS]
Set the control switching hys-
teresis for on/off control. This
determines how far into the
"on" region the input needs to
move before the output actu-
ally turns on.
[ProP]
Proportional Term
[ProP]
View the active proportional
term for PID diagnostics.
[``it]
Integral Term
[ it]
View the active integral term
for PID diagnostics.
[``dE]
Derivative Term
[ dE]
View the active derivative
term for PID diagnostics.
[ent1]
Event Output 1***
[Ent1]
Set Event Output 1 to an on
or off state.
[ent2]
Event Output 2***
Set Event Output 2 to an on
[Ent2]
or off state.
[ent3]
Event Output 3***
[Ent3]
Set Event Output 3 to an on
or off state.
[A1; h i]
Alarm 1 High
Set the high alarm set point.
[A1.hi]
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 param-
eters through Modbus are in °F, by default.
* 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-_ _ _ _- _ _ _ _ ).
**** This value multiplied by 100 equals the percent power.
Watl o w S eri es SD
Settings
Range
0.00 to 9.99 minutes (0000
to 99990)
0.00: disabled
0 to 999
(0000 to 999000)
1 to 999°F if [`Sen] is
set to [``tc] or [`rtd]
(1000 to 999000)
0.000 to 999.9 if [`Sen] is
set to [`ma] or [uolt]
(0000 to 999000)
0.000 to 1.000****
(0000 to 1000)
0.000 to 1.000****
(0000 to 1000)
0.000 to 1.000****
(0000 to 1000)
[~off] (0) Output is off
[~~on] (1) Output is on
[~off] (0) Output is off
[~~on] (1) Output is on
[~off] (0) Output is off
[~~on] (1) Output is on
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)
38
Default
Modbus*
(less 40,001 offset)
Read/Write
0.00
*230, 231 R/W
0
*281, 282 R/W
1
*236, 237 R/W
1.000
*238, 239 R/W
NA
258 R
NA
259 R
NA
260 R
[~off]
351 R/W
(0)
[~off]
352 R/W
(0)
[~off]
353 R/W
(0)
999 (dev)
*100, 101 R/W
1500 (pro)
(dev)
*104, 105 R/W
(pro)
Appears if"
At least one output is
set to [CooL], [CL; m ]
is set to [`PId],
and [Unit] is set to
[``SI].
At least one output
is set to [Cool]
and [CL; m ] is set to
[`PId].
At least one output
is set to [CooL]
and [CL; m ] is set to
[on; o F].
Any output is set to
[heat] or [Cool].
Any output is set to
[heat] or [Cool].
Any output is set to
[heat] or [Cool].
Profiling version only.
(SD_ R - _ _ _ _ - _ _ _
_ ) Output 1 is set to
[Ent1].
Profiling version only.
(SD_ R - _ _ _ _ - _ _ _
_ ) Output 2 is set to
[Ent2].
Profiling version only.
(SD_ R - _ _ _ _ - _ _ _
_ ) Output 3 is set to
[Ent3].
[Ot`1] is set to
[dE; A L] or [Pr; A L].
Chapter 6 O per a ti ons

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