Watlow SD Series User Manual page 58

Pid controller/pid profiling controller
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Series SD Profiling Modbus Registers
This section contains information for creating, editing and running profiles using Modbus. Some of these are available
only through Modbus and others can be accessed through the front panel and Modbus. If a parameter is accessible
only through Modbus, N/A appears in the display column. Parameters appear in profiling version only.
Display
Parameter Name
Description
[Ptyp]
Profile Type
[Ptyp]
Set the profile ramp to time based or
rate based.
[PStr]
Profile Start
[PStr]
Select where the profile begins the start-
ing set point of the profile, current static
set point or current process temperature.
[gS; d E]
Guaranteed Soak Deviation Enable
Enables the guaranteed soak deviation
[gS.dE]
function in profiles.
[`GSd]
Guaranteed Soak Deviation Value
[ gSd]
Set the value of deviation allowed by the
guaranteed soak deviation function.
N/A
Profile State
Indicates current profile status.
N/A
Jump Count Step Enabled
Indicates whether a Jump Step is cur-
rently being executed.
[FiLe]
Start File Number
[FiLE]
Selects the file to start running.
[StEP]
Start Step Number
[StEP]
Selects the profile step to be run.
[SELC]
Profile Select
[SELC]
Selects what to do when a profile is on
hold.
[`gSd]
Guaranteed Soak Deviation Message
[ GSd]
Monitors guaranteed soak deviation
status.
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 are in °F through 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.
Watl o w S eri es SD
Settings
Range
(Integer values for Modbus
in parentheses.)
{~~ti] Time based ramp
(0)
{rate] Rate based ramp
(1)
[`Set] Static Set Point (0)
[~Pro] Process (1)
[`~no] Disabled (0)
[~YES] Enabled (1)
1 to 999 (1 to 999000)
Profile off (0)
Profile is holding (1)
Profile is running (2)
Pre-run check failed when
starting the profile (3)
Pre-run check failed when
resuming the profle (4)
Profile is not running or
profile is running and is
not currently executing a
Jump Step (0)
Profile is running and the
profile is currently ex-
ecuting a Jump Step (1)
1 to 4
1 to 10
[`Off] Terminate current
profile (0)
[RESU] Resume running
current profile (1)
[hold] Hold current pro-
file (2)
Message Disabled [GSD is
disabled or within range
if enabled. No message is
flashing] (0)
Message Enabled [GSD
outside range and a mes-
sage is flashing] (1)
56
Default
Modbus*
(less 40,001
offset)
Read/Write
[~~ti]
354 R/W
Always
(0)
[`Set]
355 R/W
Always
(0)
[~~no]
356 R/W
Always
(0)
1
*357, 358
[GS; d E] set to
R/W
[~YES]
0
359 R
Available through
Modbus only.
0
363 R
Available through
Modbus only.
1
361 R/W
Always
1
362 R/W
Always
360 R/W
If profile is holding
or running.
0
364 R
[GS; d E] set to
[~YES]
Chapter 1 0 Pr ofi li ng
Appears if:

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