Lake Shore Model 340 Temperature Controller User’s Manual
Instrument Programming
8-11
8.3.4 Saving a Program
When a program is entered, it is automatically saved. The
Save Screen
key must be pressed when changing
from the right side of the display to the left, or instruction parameter settings will be lost.
8.3.5 Summary of Key Operation in Program Mode
Next Setting/
Previous Setting
Move up and down the set of instructions on the left or
parameters on the right side of the setting screen.
Up (
s
)/Down (
t
)
Change a parameter setting.
Enter
Move from left to right side of setting screen.
Save Screen
Move from right to left side of setting screen.
I (Insert)
Insert an instruction line when on the left side.
D (Delete)
Delete an instruction line when on the left side.
P (Paste)
Insert the previously deleted instruction when on the left side.
8.3.6 Example of an Internal Program (Example 1)
This example illustrates the typical use of an internal program. It represents the preconditioning of a sample in
temperature. Figure 8-3 illustrates the program loaded into location 1. To run this program, follow the run
procedure detailed in Paragraph 8.3.8, and specify Program 1.
Edit Program #01
1 Parameters >| Channel: A
| Mode: MANUAL PID
| P: 50.0
| I: 20.0
| D: 12
|Htr Range: 25W
2 Ramp SP Abs. >|Setpoint : 50.000K
| Hours : 0
| Minutes : 7
| Seconds: 0
| Rate : 0.0K/m
3 Settle >| Hours: 0
| Minutes: 0
| Seconds: 30
| Band: ±1.00000K
4 Repeat >| Count: 3
|Infinite Loop: OFF
5 Ramp SP Rel. >| Dev.: -10.000K
| Hours : 0
| Minutes: 1
| Seconds: 0
| Rate : 0.0K/m
6 Wait >| Hours: 0
| Minutes: 1
| Seconds: 0
7 Ramp SP Rel. >| Dev.: +10.000K
| Hours: 0
| Minutes: 1
| Seconds: 0
| Rate: 0.0K/m
8 Wait >| Hours: 0
| Minutes: 1
| Seconds: 0
9 End Repeat >|
10 Ramp SP Abs. >| Setpoint: 10.000K
| Hours: 0
| Minutes: 4
| Seconds: 0
| Rate: 0.0K/m
11 End >|