Specifications

A-16 SUB-SEQUENCE
CALLING BY LIMIT
TESTING
A sequence can use the result of a limit test to jump to another
sequence or to restart itself. A designated sequence has to be entered
after the statement IF LIMIT PASS or IF LIMIT FAIL. The limit test
setup environment (predefined limit setup) can be recalled from
memory, or it can be created within the sequence (in-line limit setup).
These two methods are illustrated as below.
Predefined Limit Setup (See listing, left)
A limit test setup environment was saved in memory X . The limit test
-
ing sequence uses Save/Recall to recall this limit test setup environ
-
ment. For this example, the setup environment was saved in memory 1.
Step 1.
Press Seq/EDIT SEQUENCE/SEQUENCE 1.
Step 2. Press Save/Recall then the following soft keys:
RECALL
FRONT PANEL SETUP IN INTERNAL MEM
-
ORY
MEMORY 1
Step 3.
Press Seq then the following soft keys:
CONTROL STATEMENT
CONDITION STATEMENT
LIMIT PASS
SEQUENCE 2
Step 4. Press Seq then the following soft keys:
CONTROL STATEMENT
CONDITION STATEMENT
IF LIMIT FAIL
SEQUENCE 3
Step 5.
Press Seq/DONE SEQUENCE EDIT.
This sequence is stored in memory as
SEQUENCE 1/NAME 1. Note Sequences 2 and 3
must exist prior to execution of Sequence 1.
In-line Limit Testing Setup Sequence (See listing, next page)
Step 1.
Press Seq/EDIT SEQUENCE/SEQUENCE 1.
Step 2.
Press Display/GRAPH TYPE/LOG MAGNITUDE.
Step 3.
Press Display/LIMITS/UPPER LIMIT ON.
Step 4. Enter “3” from the keypad and press the X1 key.
Step 5.
Press LOWER LIMIT ON.
SUBSEQUENCE CALLING SEQUENCE
BY LIMIT TESTING OPERATIONS
A-14 MS462XX OM
BEGIN OF SEQUENCE
RECALL MEMORY 1
IF LIMIT PASS SEQ 2
IF LIMIT FAIL SEQ 3