Match Function; Tested Sensors - PEP Modular Computers Modular Computers RS485 User Manual

SMART I/O User's Manual

6.2.8 MATCH Function

The match output, which is useful for detecting when an event occurs, is set
using an A > B comparator where:
A = the SSI data
B = the compare register
The MATCH output is set on an edge transition of the comparator output as
follows:
When counting up:
When counting down: MATCH is set when A passes from (A>B) to (A<=B)

6.2.9 Tested Sensors

The sensors from the following manufacturers have been tested in conjunc-
tion with the SM-SSI in an SSI environment and conform to the high stand-
ards set by PEP Modular Computers.
Hohner SSI-AVM 10-10 Multi-turn axial 24-bit Gray code
Hengstler RA58S Single-turn 12-bit Gray code
Balluff BTL 3-S11-0250-F-S50 Trans sonar distance gauge 24-bit Gray
code.
Page 6- 26
MATCH is set when A passes from (A<=B) to (A>B)
©1996 PEP Modular Computers GmbH
Chapter 6 Communications Modules
October 01, 1996