Sierra Monitor Corporation Gas and Flame Detection System - Manual (Page 5)

www.sierramonitor.com
Information Technology at the System Level
From simple alarms to sophisticated systems integrating fire and gas detection, logic controls,
graphical interface and remote web server displays, the Sentry IT Controller is “Best of Class”. The
Sentry controller heritage continues to emphasize Information Technology as a key ingredient of
system design. The capability of simultaneous interface via analog 4-20 mA, RS-485 Modbus,
Relay contact and SentryBus insures that both new and legacy sensor modules can be deployed.
Sentry Commander Logic insures that complex logic such as zone voting, delay timing, multiple
unique alarm levels and other special demands can be met with simple user configuration at the
spreadsheet level.
Key features include:
Versatile – multiple input types, multiple communication choices, full function controller
Scalable – deploy additional I/O blocks to expand capacity
Intuitive operator interface
– touch panel display with menu-driven prompts to
reduce learning curve
Cost effective
– high capacity lowers the cost per point
Simultaneous communication methods – Modbus, 4-20 mA (2, 3, 4-wire), SentryBus
and Relay inputs and outputs
Multiple power options
– AC only, DC only, AC with DC back-up
User configurable alarm logic – menu driven configuration and integral Commander
Logic allows the user to develop comprehensive alarm logic schemes incorporating
delay times (on and off ), relay acknowledgement, zoning, voting groups and more
User simplicity – auto discovery of sensor modules, single person, auto-adjusting
non-intrusive calibration
Easy interface to plant wide systems – FieldServer inside means multi-protocol and
Web Server interfaces always available for plant wide integration. Multi-Protocol
includes Modbus TCP, EtherNet/IP, Profibus, DeviceNet, ControlNet, DNP, OPC, BACnet,
LonWorks and many more from the extensive FieldServer protocol library. FieldServer
Technologies, a division of Sierra Monitor Corporation, supplies the software platform
for the Sentry IT Controller.
www.sierramonitor.com