7.4. Optional indications
7.4.1. Mechanical position indication via indicator mark
Figure 77: Mechanical position indicator
[1] End position OPEN reached
[2] End position CLOSED reached
[3] Indicator mark at cover
Characteristics
●
Independent of power supply
●
Used as running indication: Indicator disc rotates during actuator operation and
continuously indicates the valve position
(For “clockwise closing version”, the symbols / rotate in counterclockwise
direction for operation in direction CLOSE)
●
Indicates that end positions (OPEN/CLOSED) have been reached
(Symbols (OPEN)/ (CLOSED) point to the indicator mark at cover)
62
SA 25.1 – SA 48.1/SAR 25.1 – SAR 30.1
Indications AC 01.2 Intrusive HART