Lake Shore Model 340 Temperature Controller User’s Manual
8-10
Instrument Programming
8.3.2 Internal Programming Operations
Below is a list of the four internal programming operations initiated from the
PROGRAM MODE
screen:
Run program
Run a program.
Terminate program
End a program run and return instrument to normal operation.
Edit program
Enter or change a program.
Clear program memory
Clear program memory space.
Store and retrieve program memory from a data card as well. Refer to Paragraph 8.4.
Read DataCard
*
Copy programs from a data card to internal program memory.
Write DataCard
*
Copy the contents of configurable memory including program
memory to a data card.
*These operations are performed from the data card setting screen.
To begin a program operation, press the
Program
key. You see the following display.
Press the
Next Setting
or
Previous Setting
key
until the desired operation is highlighted, then press
the
Enter
key. A setting screen for that operation
appears on the display. It may then be necessary to
choose one of the ten program locations before continuing.
8.3.3 Enter or Edit an Internal Program
Program editing initiates as an internal programming operation. Select one of the ten program locations from
the program edit screen. New programs appear empty, with End as the first instruction. Program entry follows
the sequence, insert a NOP, change the NOP to the desired instruction, enter appropriate instruction
parameters.
To edit a program, press
Program
to display the
PROGRAM OPERATION
screen. Press
Next Setting
to
highlight the
Edit Program
line. Press
Enter
to display the edit screen with the program number field
highlighted. Use the
s
or
t
key to select the desired program, then press
Enter
to display instructions
existing in that program location (if any).
The
Edit Program
screen is divided into two halves. The left half is a list of instructions in the program
location and the right half shows parameters for a single instruction when the instruction is highlighted. Enter
instructions like any other data table.
Next Setting
and
Previous Setting
move up and down the table.
There are three table entry commands listed at the bottom of the screen that make program entry more
convenient. Insert (I), Delete (D) and Paste (P) manipulate the instructions within a program. The table entry
commands use the
P
,
I
, and
D
keys normally associated with those control parameters. The commands work
only in the left screen.
Insert
adds instruction space to a program location in order to add instructions.
Delete
deletes selected
instructions.
Paste
copies an instruction and its parameters to another line in a program.
To insert a NOP to make room for a new instruction, highlight the instruction field on the left side of the
display. Use
Next Setting
or
Previous Setting
to select the line to receive the inserted instruction. Press the
I
key (located in the control section of the keypad) to enter a NOP in the highlighted line.
To change a NOP to a desired instruction, highlight the instruction field on the left side of the display. Use
Next Setting
or
Previous Setting
to select the desired line of the program location. Use the
s
or
t
key to
select the desired instruction. Press
Next Setting
to advance to the next instruction line.
To set instruction parameters, highlight the desired instruction on the left half of the display to display the
parameters for that instruction on the right half of the display. Press
Enter
to highlight the parameters. Use
Next Setting
or
Previous Setting
to move up and down the list of parameters. Set them like parameters on a
normal setting screen. Press
Save Screen
key to return to the left half of the display.
R u n P r o g r a m
T e r m in a te p r o g r a m
E d it p r o g r a m
C le a r p r o g r a m m e m o r y
S t a tu s : S to p p e d
P r o g r a m : 1, L in e
0 , M e m : 10 0 / 10 0
P R O G R A M O P E R A T IO N