Watlow EZ-ZONE PM Express - Manual (Page 18)

EZ-ZONE PM Express (PID) • 18 • Operations Menu
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[````]
PAr1
[````]
PAr2
[`AUt]
Autotune
[`C;M]
Control Mode
[`h;pb]
Heat Proportional Band
[`C;pb]
Cool Proportional Band
[``ti]
Time Integral
[``td]
Time Derivative
[o;tb1]
Time Base
[o;tb2]
Time Base
[`A;lo]
Alarm Low Set Point
[`A;hi]
Alarm High Set Point
[`i;Ca]
Calibratin Offset
Operations Menu
Upon power up of the control, using
the advance key will scroll through the
various prompts found in the Operations
Menu. At any point within the Operations
menu to return to the default display
push the Infinity
ˆ
key.
Operations Menu
Display Parameter Name Description
[`AUt]
[ AUt]
Autotune
Start an autotune. While active the upper
or left and lower or right display will flash
[tUn1]
and [Attn].
Appears if: Heat or cool algorithm set to PID
[`C;M]
[ C.M]
Control Mode Active
View the current control mode.
Appears if: Always
[`h;Pb]
[ h.Pb]
Heat Proportional Band
Set the PID proportional band for the heat
outputs.
Appears if: Heat algorithm set to PID
[`C;Pb]
[ C.Pb]
Cool Proportional Band
Set the PID proportional band for the cool
outputs.
Appears if: Cool algorithm set to PID
[``ti]
[ ti]
Time Integral
Set the PID integral for the outputs.
Appears if: Heat or cool algorithm set to PID
[``td]
[ td]
Time Derivative
Set the PID derivative time for the outputs.
Appears if: Heat or cool algorithm set to PID
[o;tb1]
[o.tb1]
Time Base Output 1
Set the time base for fixed-time-base
control.
Appears if: Output 1 set to heat or cool with
control algorithm set to PID.
[o;tb2]
[o.tb2]
Time Base Output 2
Set the time base for fixed-time-base
control.
Appears if: Output 2 set to heat or cool with
control algorithm set to PID.
[`A;Lo]
[ A.Lo]
Alarm Low Set Point
Process - set the process value that will trig-
ger a low alarm.
Deviation - set the span of units (using nega-
tive numbers) from the closed loop set
point that will trigger a low alarm.
Appears if: If Alarm Type [`A;ty] is set to
Process or Deviation Alarm
Range (Defaults are shown bold)
[``no]
No
[`yES]
Yes
[`off]
Off
[AUto]
Auto
[MAn]
Manual
0 to 9,999.000°F or units
0 to 5,555.000°C
Units, 25.0°F or 14.0°C
0 to 9,999.000°F or units
0 to 5,555.000°C
Units, 25.0°F or 14.0°C
0 to 9,999 seconds per repeat
180
0 to 9,999 seconds
0 seconds
0.1 to 60.0 seconds (solid-state relay or switched dc)
5.0 to 60.0 seconds (mechanical relay & NO-ARC power control)
1 sec. [SSR & sw dc], 20.0 sec. [mech. relay & NO-ARC]
0.1 to 60.0 seconds (solid-state relay or switched dc)
5.0 to 60.0 seconds (mechanical relay & NO-ARC power control)
1 sec. [SSR & sw dc], 20.0 sec. [mech. relay & NO-ARC]
-1,999.000 to 9,999.000°F or units
-1,128.000 to 5,537.000°C
Units, 32.0°F or 0.0°C