Samson 3374 Mounting And Operating Instructions page 79

Electric actuator version with positioner, revision 2
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Index
A
Actuator
mounting on valve .......................... 12
principle of operation ........................ 8
restarting ....................................... 54
thrust ......................................... 9, 10
versions ........................................... 8
Actuator stem ................. 8, 16, 31, 38, 41
Applications ........................................ 35
B
Backlight ............................................. 42
Binary input ................................... 11, 42
Binary output ....................................... 43
Blockage ............................................. 45
C
Characteristic ................................. 47, 65
Characteristic level ............................... 65
Command pen ..................................... 58
Configuration level ............. 37–52, 61–64
binary input ................................... 42
binary output.................................. 43
blockage ........................................ 45
characteristic .................................. 47
electronic limit contacts .................... 44
input signal .............................. 38–40
operating direction.......................... 39
parameters ..................................... 37
position feedback signal .................. 41
restart ............................................ 45
travel ............................................. 46
D
Dead band .......................................... 47
EB 8331-4 EN
Default settings ..................................... 54
Design ................................................... 8
Diagnostic level ............ 51–55, 55, 67–68
measuring the transit time ................ 56
parameters ..................................... 52
restarting actuator ........................... 54
testing the display ........................... 55
troubleshooting ............................... 53
zero calibration .............................. 54
Dimensions .......................................... 22
Display ................................................ 25
backlight ........................................ 32
reading direction ............................ 32
replacing ....................................... 32
start screen ..................................... 25
testing ............................................ 55
E
Electrical connections ............................ 15
End position guiding............................. 41
Errors .................................................. 34
F
Fail-safe action ................................. 8, 10
I
Information level ............................ 50, 66
Initialization ......................................... 33
Input signal .................................... 38–40
Installation ........................................... 12
K
Key number ................................... 29–30
L
Limit contacts ................................... 8, 12
electronic ....................................... 44
mechanical ............................... 17–20
Index
79

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