Introduction
The DeltaV SIS™ process safety system has a uniquely scalable modular architecture that is based on the CHARMs
Smart Logic Solver (CSLS) and the unprecedented flexibility and ease of use of the Emerson Electronic Marshalling solution.
Each CSLS provides I/O processing, Safety Integrity Level 3-capable logic solving, and diagnostics in a single logic solver.
The CSLS supports up to 96 local individually configurable channels, allowing flexibility for implementing safety
instrumented functions and is designed specifically for multi-core home run cables or field junction box installation.
All communications are completely redundant from the channel (LS CHARM) to the CSLS. Integrated HART® I/O
brings field diagnostics into the CSLS.
Specifications
DST Limit 1500
SCADA Tags 3200
Max Data Values Sent 4000/second
Max Data Values Received 500/second
Max Unsolicited Client Nodes 120
Module Execution Rates 100ms, 200ms, 500ms, 1s, 2s, 5s, 10s, 30s, 60s
User Memory 96 MB
Fuse Protection (Internal) 3.0 A, non-replaceable fuses
Power Dissipation 5.0 W typical, 7.0 W maximum
Operating Temperature -40 to 60 °C (-40 to 140 °F)
Storage Temperature -40 to 85 °C (-40 to 185 °F)
Reltive Humidity 5 to 95% , non-condensing
Shock 10 g½-sine wave for 11 ms
Vibration 1mm Peak-to-Peak from 2 to 13.2 Hz, 0.7g from 13.2 to 150 Hz
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