Watlow Series 988LF - Manual (Page 34)

Operations
5.2 WATLOW Series 988LF Users Manual Operations Menu, Chapter 5
Display Prompts
❸ Use the Mode key µ to advance through the Operations
Menu. You will not see every prompt in the Operations
menu; the unit’s configuration and model number determine
which prompts appear.
❹ Use the Up-arrow > and Down-arrow <
keys to change the prompt setting. To move
backwards through the menu hold the Mode
key µ down and press the Up-arrow key >.
Refer to the Appendix for model number
options.
NOTE:
Decimal points may not
always be in the
position specified below
depending on the
settings in the Decimal
dEC
dEC dEC dEC dEC parameters in the
Setup Menu.
TL TL W WA
PROCESS
L1 L2
DEV
% OUT
DISPLAY
SERIES 988LF
MODE
AUTO
MAN
Set Point 2
Select a second set point that will activate output 2. This allows you
to boost the heating (reverse acting) or cooling (direct acting) action of the
output 1 device.
• The range and default settings depend on the [`In1], [`rL1], and
[`rH1] settings (Setup Menu).
[`SP2] This prompt appears only if [`Ot1] and [`Ot2] (Setup Menu) are
both set to [`Ht] or [`CL].
[`rL1] … [`rH1]
[`SP2] [`SP2]
[`SP2]
Proportional Band, Output 1
Select the proportional band for PID output 1. If set to [```0] it
functions as an on/off control with a 3°F or 1.7°C switching differential for
ranges displayed in whole degrees, and 0.3°F or 0.17°C for ranges
displayed on 0.1°. The default is 25°F/17°C.
[`Pb1] This prompt always appears.
If Default
↓ ↓
[``°F] [```0] … [``25] … [9999]
[`C_F] [`Pb1] [`Pb1] [`Pb1]
(Setup Menu)
[`r†d] [``)0] [[``25] [99(9]
Input 1 [`Pb1] [`Pb1] [`Pb1]
(Setup Menu)
[``°C] [```0] … [``14] … [9999]
[`C_F] [`Pb1] [`Pb1] [`Pb1]
(Setup Menu)
[`r†d] [``)0] … ``14] … [99(9]
Input 1 [`Pb1] [`Pb1] [`Pb1]
Setup Menu)
[`Pb1]
TL W WA
PROCESS
L1 L2
DEV
% OUT
DISPLAY
SERIES 988LF
MODE
AUTO
MAN