Flowserve MX Electronic Actuator SIL Safety IOM - Manual (Page 3)

3
Limitorque MX Electronic Actuator FCD LMENIM2350-01 – 9/13
flowserve.com FLOWSERVE PROPRIETARY INFORMATION
Use or disclosure of this information is subject to the restrictions on the title page of this document
7.3 Basic PST Configuration Options and Operation 19
7.3.1 Remote Input Option for Digital Input 1 (Terminal 34, or D2) 19
7.3.2 Monitor Relay Actions During PST 19
7.3.3 Digital Output (Relay Contact) Configuration Options for PST 20
7.3.4 PST Status Indicators 20
7.3.5 Recognition of Valid PST Signals 20
7.3.6 Rejection of PST signal 20
7.3.7 Actions on Recognition of Valid PST Signal 20
7.3.8 Actions upon Successful Completion of the PST Stroke 21
7.3.9 PST Timer 21
7.3.10 PST Timer Start 21
7.3.11 PST Failure Events and Actions 21
7.3.12 Actions During Power-Down Cycle During PST Event 22
8 Safety Instrumental System (SIS) Assessment 23
9 Commissioning 24
9.1 Internal Access Only via Terminal Compartment 24
9.2 Conduits and Unused Conduit Entries to be Sealed 24
9.3 Cable and Wire Routing 24
9.4 PST and PST/ESD Configuration 25
9.4.1 Basic Configuration 25
9.4.2 Enhanced Configuration 25
9.4.3 Access LCD Menu / Dialogue 25
9.4.4 Set Up Basic ESD and PST 27
9.4.5 Set Up Enhanced ESD and PST 28
10 Emergency Shutdown (ESD) 29
10.1 Configurable ESD Actions 29
10.2 Configurable ESD Signal Logic 29
10.3 Configurable ESD Overrides 30
10.4 Remote External Interlocks/Inhibits 30
10.5 Custom Input Mode – Momentary ESD/PSESD (Optional) 30
11 ESD (Emergency Shutdown) Overrides 31
11.1 ESD Override Setup Procedure 31
11.1.1 Inhibit Override 31
11.1.2 Local Command Override 32
11.1.3 Stop Override 32
11.1.4 Jammed Valve Override 32
11.1.5 Lost Phase Override 32
11.1.6 Over-Torque Override 32
11.1.7 Motor Thermostat Override 32
12 Failure Analysis 34
13 Instructions, Operation and Maintenance [IOM] 35
13.1 Normal Operation 35
13.2 Safety Operation and Maintenance 35
13.3 Estimated Repair Times 35
14 Revision History 36
15 Regulatory Information 37