The STZ is the latest in the line of Moore Industries' Associated Intrinsically-Safe (AIS) family of products. The SIL 2/3 capable STZ Functional Safety Dual Input Smart HART® DIN-style Temperature Transmitter with Associated IS sensor connections are certified by exida to IEC61508 for systematic integrity up to SIL 3 and for single use in Safety Instrumented Systems (SIS) up to SIL 2.
The intrinsically-safe -AIS option for the STZ-DIN allows direct connection of sensors located in hazardous locations by including an embedded intrinsically-safe barrier in the front end of the STZ-DIN. The STZ-DIN -AIS is an associated apparatus suitable for mounting in Non-Hazardous or Class I, Division 2/Zone 2 hazardous locations with sensor input terminals connected to sensors or equipment in Class I, II, III, Division 1/Zone 0/1 hazardous locations.
The STZ-DIN configures quickly and easily to accept a single or dual input from a wide array of sensors and analog devices including RTDs, thermocouples, resistance and potentiometer devices, and direct millivolt inputs. The STZ-DIN’s 2-wire (loop-powered) Associated IS transmitter provides an isolated and linear 4-20mA output proportional to the input. This signal is ready for direct interface with a HART or non-HART based Safety System, DCS, PLC, and other SCADA systems.
The STZ is HART and DTM Programmable with user-oriented basic configuration for fast and accurate setup. The STZ-DIN provides HART exception-based reporting and dynamic variable mapping as well as HART Access Control, which allows users to set HART communication to Read Only or Off mode, to prevent unauthorized or accidental reconfiguration while it is performing its safety function.
Check out Moore Industries other Associated Intrinsically Safe products including the newly released THZ3 -AIS Dual Input Smart HART® Temperature Transmitter with the -AIS option for the DIN Rail Mount housing and the reliable universal SPA2IS Programmable Limit Alarm Trip. All these feature the rugged reliability customers have come to rely on from Moore Industries. With these Associated Intrinsically-Safe products there is no need for the additional cost of the IS barrier, cabinet space, high integrity clean ground connection, separate power supply, or custom vendor backplanes. This drastically reduces the cost of purchasing, installation, and maintenance versus more traditional approaches requiring a separate Zener or isolating barrier.
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