Istec SpeedSys 200 Overspeed Detection Module
SIL 2 certified overspeed protection, speed signal to relay, open collector and analog outputs, single channel or voting structures.
- ISTSSY2001
Overview
Features
- 8ms relay system response time
- 2 safety relays, double pole single throw
- 1 safety analog output
- 3 separate sensor inputs (only one sensor input can be used at any time)
- Suitable for Hall-effect, electromagnetic, or proximity sensors
- 0.025 Hz to 35 kHz frequency range
- 0.05% measurement accuracy
- Automated proof-tests
- 10 year proof-test interval (typical)
- IP20 ingress protection
- ATEX/IECEx Zone 0,1,2 (Ex ia) isolated inputs
Description
The Istec SpeedSys 200 Overspeed Detection Module is a high integrity overspeed protection system featuring a robust design with advanced self-monitoring, and galvanic separated in- and outputs. The SpeedSys 200 has been designed to meet the requirements for SIL 2 certified overspeed protection, featuring fast reaction times, advanced self-monitoring with long test intervals, and sufficient safety outputs. The small technical footprint allows for the SpeedSys 200 to be used in field enclosures or in control rooms, and industry standard in- and outputs for easy integration and retrofitting. The isolated inputs eliminate the need for separate isolators or barriers in the field, reducing failure modes and increasing sensor monitoring functions.
A single SpeedSys 200 module is a reliable and economical solution for overspeed protection. For more demanding applications or increased availability, redundancy and voting structures can be created by utilizing two or three modules.
Applications:
- Compressors and pumps
- Microturbines
- Wind turbines
- Gas and steam turbines
- Marine applications
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