Rockwell Automation 1747-PT1, D1747NP002 Hand-Held Terminal - Manual (Page 275)

Chapter 19
Comparison Instructions
19–9
SLC 5/02 Processors Only
Limit Test LIM Input Instruction
LIM
LIM
LIMIT TEST
Low Lim
N7:0
14
Test 50
High Lim N7:1
70
F1 F2 F3 F4 F5
ZOOM on LIM –|LIM|– 2.3.0.0.1
NAME: LIMIT TEST
LOW LIM: N7:0 14
TEST: 50 50
HIGH LIM: N7:1 70
EDT_DAT
HHT Ladder Display:
HHT Zoom Display:
Ladder Diagrams and APS Displays:
(online monitor mode)
This input instruction tests for values within or outside a specified range,
depending on how you set the limits.
Entering Parameters
Low Limit, Test, and High Limit values you program can be word addresses
or decimal values, restricted to the following combinations:
•
If the Test parameter is a program constant, both the Low Limit and High
Limit parameters must be word addresses.
•
If the Test parameter is a word address, the Low Limit and High Limit
parameters can be be either a program constant or a word address.
Limit Test (LIM)