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Samson TROVIS SAFE 3731-3 - Page 4

Samson TROVIS SAFE 3731-3
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7.5 Positioner initialization. . . . . . . . . . . . . . . . . . . . . . . . . 50
7.5.1 Initialization based on MAX maximum range . . . . . . . . . . . . . 52
7.5.2 Initialization based on NOM nominal range . . . . . . . . . . . . . . 53
7.5.3 Initialization based on MAN manually selected range . . . . . . . . . 54
7.5.4 SUB substitute calibration . . . . . . . . . . . . . . . . . . . . . . . 56
7.6 Zero calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
7.7 Application type: open/close valve. . . . . . . . . . . . . . . . . . . 60
7.7.1 Setting the application type . . . . . . . . . . . . . . . . . . . . . . 61
7.8 Reset to default values . . . . . . . . . . . . . . . . . . . . . . . . . 62
8 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.1 Enabling and selecting parameters . . . . . . . . . . . . . . . . . . 63
8.2 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.2.1 Automatic (AUTO) and manual (MAN) modes . . . . . . . . . . . . . 64
8.2.2 Fail-safe position (SAFE) . . . . . . . . . . . . . . . . . . . . . . . . 65
8.3 Malfunction/maintenance alarm . . . . . . . . . . . . . . . . . . . . 65
8.3.1 Confirming error messages . . . . . . . . . . . . . . . . . . . . . . 66
9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
10 Servicing explosion- protected devices. . . . . . . . . . . . . . . . . 67
11 Code list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
12 Dimensions in mm. . . . . . . . . . . . . . . . . . . . . . . . . . . 87
12.1 Fixing levels according to VDI/VDE 3845 (September 2010) . . . . . . 89
13 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
13.1 Selecting the valve characteristic . . . . . . . . . . . . . . . . . . . . 90
4 EB 8387-3S EN
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