nVent RAYCHEM Elexant 4010i/4020i User Manual
RAYCHEM-AR-H60624-40X0iOpsManual-EN-1905 nVent.com
|
3
3.2 Monitoring ...................................................................................................................................................................26
3.2.1 Temperature ......................................................................................................................................................26
3.2.2 Electrical .............................................................................................................................................................28
3.2.3 Device Maintenance.........................................................................................................................................30
3.2.4 External Devices................................................................................................................................................31
3.3 Communication ..........................................................................................................................................................31
3.3.1 ...............................................................................................................................................................31
3.3.2 ............................................................................................................................................32
3.4 Device Information ....................................................................................................................................................33
3.4.1 Information ........................................................................................................................................................33
3.5 Alarms...........................................................................................................................................................................33
3.5.1 Alarm Relay Modes ..........................................................................................................................................33
3.5.2 Alarm Functionality ..........................................................................................................................................33
3.5.3 Alarm Sources...................................................................................................................................................34
3.6 Proles .........................................................................................................................................................................35
3.7 Internal Memory.........................................................................................................................................................35
3.8 Graphical User Interface (GUI)................................................................................................................................36
3.9 LED Status Indicators................................................................................................................................................36
3.10 GUI Screen Saver Mode............................................................................................................................................36
4 SAFETY LIMITER..................................................................................................................................................................37
4.1 Safety Limiter..............................................................................................................................................................37
4.1.1 Safety Function of the Limiter in the Elexant 4020i ...................................................................................37
4.1.2 Area of Use.........................................................................................................................................................37
4.1.3 Block Diagram ...................................................................................................................................................37
4.1.4 Resetting the Safety Limiter ...........................................................................................................................38
4.1.5 Setting the Temperature Set Point ................................................................................................................38
4.1.6 Main Output Interlock ......................................................................................................................................39
4.1.7 Internal Diagnostic............................................................................................................................................39
4.1.8 Functional Test..................................................................................................................................................39
4.1.9 Functional Test Procedure..............................................................................................................................39
4.1.10 Test in the Event of a Fault..............................................................................................................................40
4.1.11 Determining Safety Integrity of the nVent RAYCHEM Elexant 4020i-Mod-Is-Lim................................40
4.1.12 PFDavg Safety Function..................................................................................................................................40
4.1.13 System Failure Modes.....................................................................................................................................41
4.1.14 Response to Fault Conditions........................................................................................................................41
5 GRAPHICAL USER INTERFACE .........................................................................................................................................42
5.1 Home Screen...............................................................................................................................................................42
5.1.1 Control Setup.....................................................................................................................................................42
5.1.2 Temperature ......................................................................................................................................................42
5.1.3 Electrical .............................................................................................................................................................43
5.1.4 Alarms.................................................................................................................................................................43
5.1.5 Maintenance......................................................................................................................................................43
5.1.6 ................................................................................................................................................................43
5.1.7 Network ..............................................................................................................................................................44
5.1.8 Safety Limiter.....................................................................................................................................................44
