2 2
Watlow Series 935A User’s Manual
To Set Up Remote Set Point…
1.
Wire the control per the example below and the information on p. 42-45.
2.
Go to
[CnfG]
, make
[`in]
and
[`c_f]
choices, then
3.
Make
[``In]
and
[`C_F]
choices, then
4.
Scale the 0-5V
Î
(dc) input with
[``rL]
and
[``rh]
.
5.
Go to
[`Ot1]
, and choose
[`rSP]
.
6.
Go to the Operations Menu;
[`L-r]
, choose
[```r]
.
Output 1
[`Ot1]
[`rSP]
Select Remote Set Point for Output 1
Local / Remote
[`L-r]
[```L]
Local set point active
[```r]
Remote set point active
•
Remote Set Point is scaled by
[``rh]
and
[``rL]
.
•
0V input results in a set point of
[``rL]
.
•
5V input results in a set point of
[``rh]
.
•
Adjust
[``rL]
and
[``rh]
to match your input to desired set point adjustment.
•
The Remote Set Point will display instead of Primary Set Point.
•
Auto-tune always uses the Primary Set Point.
•
Deviation Alarm uses the active Set Point.
Figure 5 - Remote Set Point Wiring
See p. 42-45 for more wiring information.
NOTE: Sensor required on Terminals 1 and 2.
∫
WARNING: All wiring and fusing must conform to local and national electric codes.
Contact local authorities for further information. Failure to comply with electric codes
could result in injury or death, or damage to property.
S2
–
1
S1
+
2
–
3
+
4
5
6
7
8
OT1
IN
OT2
POWER
Configuration Menu
[``In]
Input Type
[`C-F]
Celsius/Fahrenheit
[``rL]
✓
Input Range Low
[``rh]
✓
Input Range High
[`Ot1]
✓
Output 1 Function
[`Ot2]
Output 2 Function
[dISP]
Display Default
•
•
•
[FAIL]
Failure Mode
[SLOC]
Set Point Lockout
[`TAG]
Lockout Tag
Operations
Menu
[`Aut]
Auto-tune
[`L-r]
✓
Local / Remote
[`Pid]
PID
[CnFG]
Configuration
Set Up Remote Set Point Input
