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Sample Sequencer
Computer Communications
COMPUTER COMMUNICATIONS
The Sample Sequencer contains a communication port allowing it to send and receive any information
and accept operating instructions from a remote computer. Many other Sentry controllers can be on
the same line in a network. The connected computer can process the information for display,
historical records, annunciation and communication to other systems.
Included in the Sample Sequencer is a complete RS-485 serial communication system requiring a
single twisted pair cable. Up to 16 or more Sample Sequencers and/or Sample Sentry controllers can
be connected via a single twisted pair line to a computer with a RS-485 communications card. Simple
RS-485 to RS-232 converters are available if required.
Sentry offers a software program, SEQUENCE to conveniently provide network communications
with a PC.
SEQUENCE Monitor Program:
For IBM compatible PCs, this program controls and maintains the complete status of up to 16
sequencers and on each Sequencer all 8 sample points. A programming and control screen allows
easy editing of control data and testing of each function, and for each connected Sequencer.
The input data is stored in computer files so that a historical record is kept. The program can present
this data on screen in tabular or graphical form or it can be printed. More details are available in the
Sequence Monitor manual.
SENTRY Equipment Corp • P. O. Box 127•Oconomowoc, WI 53066 • 262/567-7256 • FAX: 262/567-4523
Web: www.sentry-equip.com • e-mail: sales@sentry-equip.com
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