Watlow Series PD - Manual (Page 86)

W a t l o w S e r i e s P D
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C h a p t e r 9 D e v i c e C o n f i g T a b l e
Loop 2 - Transition from Auto Mode to:Select outputs action when transitioning from Auto (closed) loop to Manual (open) loop mode.,Config-
uration Loop Settings 2,,Off (0)Fixed Power (1)Bumpless Power (2),Off (0),778 (R/W)
Loop 2 - Closed Loop Limit Low Set PointSet the minimum Auto (closed loop) set point allowed by operator.,Configuration Loop Settings
2,,,,774-775 (R/W) (/1000)
Loop 2 - Closed Loop Limit High Set PointSet the maximum Auto (closed loop) set point allowed by operator.,Configuration Loop Settings
2,,,,776-777 (R/W) (/1000)
Loop 2 - On/Off Indirect HysteresisSet the control switching indirect hysteresis for On/Off control. This determines how far into the on re-
gion the input needs to move before the output turns on.,Configuration Loop Settings 2,,1000 to 99000,3000,782-783 (R/W) (/1000)
Loop 2 - On/Off Direct HysteresisSet the control switching direct hysteresis for On/Off control. This determines how far into the on region
the input needs to move before the output turns on.,Configuration Loop Settings 2,,1000 to 99000,3000,784-785 (R/W) (/1000)
Loop 2 - Start AutotuneActivates autotuning of PID values.,Configuration Loop Settings 2,,No (0)Yes (1),No (0),96 (R/W)
Loop 2 - Autotune Set PointSet Autotune set point in %.,Configuration Loop Settings 2,,50 to 150,90,786 (R/W)
Loop 2 - PID Sets 2Select to use single or multiple PID Sets for Loop 2.,Configuration Loop Settings 2,,Single (0)Multiple (1),Single (0),787
(R/W)
Loop 2 - Ramp ActionSelect the ramp to set point action for Control Loop 2.,Configuration Loop Settings 2,,OffStartupSP ChangeStartup
and SP Change,Off (0),877 (R/W)
Loop 2 - Ramp RateEnter ramp to set point rate for Control Loop 2.,Configuration Loop Settings 2,,0 to 9999000,100000,879-880 (R/W)
(/1000)
Loop 2 - Ramp IntervalSelect the scale of the ramp rate for Control Loop 2.,Configuration Loop Settings 2,,Minute (0)Hour (1),Minute
(0),878 (R/W)
Loop 2 - PID Crossover SourceSpecify to switch PID sets based on a set point or a process value.,Configuration Loop Settings 2,,Process Val-
ue (0)Set Point (1),Process Value (0),788 (R/W)
Parameter Name
and Description
Web Page Your
Settings
Range Default Modbus*
(Read/write and
scaling)
Loop 2 - Transition from Auto
Mode to:
Select outputs action when
transitioning from Auto
(closed) loop to Manual (open)
loop mode.
Configuration Loop
Settings 2 Off (0)
Fixed Power (1)
Bumpless Power (2) Off (0) 778 (R/W)
Loop 2 - Closed Loop Limit
Low Set Point
Set the minimum Auto (closed
loop) set point allowed by
operator.
Configuration Loop
Settings 2 774-775 (R/W)
(/1000)
Loop 2 - Closed Loop Limit
High Set Point
Set the maximum Auto
(closed loop) set point allowed
by operator.
Configuration Loop
Settings 2 776-777 (R/W)
(/1000)
Loop 2 - On/Off Indirect Hys-
teresis
Set the control switching indi-
rect hysteresis for On/Off con-
trol. This determines how far
into the on region the input
needs to move before the output
turns on.
Configuration Loop
Settings 2 1000 to 99000 degrees or
units 3000 782-783 (R/W)
(/1000)
Loop 2 - On/Off Direct Hys-
teresis
Set the control switching di-
rect hysteresis for On/Off con-
trol. This determines how far
into the on region the input
needs to move before the out-
put turns on.
Configuration Loop
Settings 2 1000 to 99000 degrees or
units 3000 784-785 (R/W)
(/1000)
Loop 2 - Start Autotune
Activates autotuning of PID
values.
Configuration Loop
Settings 2 No (0)
Yes (1) No (0) 96 (R/W)
Loop 2 - Autotune Set Point
Set Autotune set point in %.
Configuration Loop
Settings 2 50 to 150 % 90 786 (R/W)
Loop 2 - PID Sets 2
Select to use single or multi-
ple PID Sets for Loop 2.
Configuration Loop
Settings 2 Single (0)
Multiple (1) Single (0) 787 (R/W)
Loop 2 - Ramp Action
Select the ramp to set point
action for Control Loop 2.
Configuration Loop
Settings 2 Off (0)
Startup (1)
SP Change (2)
Startup and SP Change (3) Off (0) 877 (R/W)
Loop 2 - Ramp Rate
Enter ramp to set point rate
for Control Loop 2.
Configuration Loop
Settings 2 0 to 9999000 degrees or
units 100000 879-880 (R/W)
(/1000)
Loop 2 - Ramp Interval
Select the scale of the ramp
rate for Control Loop 2.
Configuration Loop
Settings 2 Minute (0)
Hour (1) Minute (0) 878 (R/W)