Watlow Series SD • 35 • Chapter 5 Setup
Display Parameter Name
Description
Settings Range
(Integer values for Modbus in
parenthesis.)
Default Modbus*
(less 40,001
offset)
Read/Write
Appears if:
[`t;gn]
[ t.gn]
Tune Gain
Select the responsiveness of the
TRU-TUNE+
™
adaptive tuning
calculations. More responsiveness
may increase overshoot.
1 to 7 Least to most re-
sponsive.
4 354
rw
TRU-TUNE+
™ version
only. (SD_ E - _ _ _ _ - _
_ _ _ ).
[`LOC]
[ LOC]
Lockout
Set the security level for the
user interface.
[```0] (0) no lockout ***
Full profile access.
[```1] (1) Set Point, Au-
to/Manual, alarms only.
*** Full profile access
[```2] (2) Set Point,
Auto/Manual, only. ***
Pre-Run and Run Menu
access only. View a run-
ning profile. Profile edit-
ing not permitted.
[```3] (3) Set Point only
*** Profile access not
permitted.
[```4] (4) full lockout ***
Profile access not per-
mitted. See the Features
chapter for details.
[```0] (0)
43 R/W Always active.
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-_ _ _ _- _ _ _ _ ).
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