Operation instructions
SIPOS 5 PROFITRON, HiMod
Page 32 Y070.020/GB
5 Commissioning
5
Commissioning
5.6.2 Adjusting the signaling gear ratio
The number of rotations required to cover the whole travel must be known. The data is provided by
the valve manufacturer. If this information is not available, see note below. For the required setting
of the signaling gear, refer to the „Signaling gear adjustment“ table below.
Intermediate values of rev/stroke or travel (mm) or degrees are rounded up to the next incremen-
tal value (e.g. for 30 rev/stroke, the incremental value 36 has to be set).
Signaling gear adjustment
Type Unit
Valve travel
Rotary
actuator
2SA5.1/2/3/4/5/6 Rev/
stroke
0,8 2,1 5,5 14 36* 93 240 610 1575 4020
2SA5.7/8 0,2 0,52 1,37 3,5 9 * 23,2 60 152 393 1005
Linear
actuator
2SB551/2 mm/
travel
4 10,5 27,5 70* 180 465
2SB553 4,8 12,6 33 84* 216 558
2SB554/5 5,6 14,7 38,5 98* 252 651
2SB556 6,4 16,8 44 112* 288 744
Part-turn
actuator
2SC5.1/2/3/4/5/6 Degrees 90° * 120/240° 360°
10 possible settings at the
signaling gear (scale)
▬
►
▼▼▼▼ ▼ ▼▼▼▼▼
0,8 2,1 5,5 14 36 93 240 610 1575 4020
*Default setting, unless required otherwise by the customer
If the number of revolutions per stroke is not known, because, for example, the actuator is to be
operated on an available „old“ valve, operate the actuator over the whole travel and note the
number of revolutions of the output drive shaft.
If it is not possible to watch the output drive shaft, skip this chapter. Observe the note on the
signaling gear in the „Prerequisite for end position adjustment“ section in chapter 5.6.3, „Adjusting
the end positions“.
Fig.: Adjusting the signaling gear ratio
Procedure
1. Loosen 4 screws (item 1) from the signaling
gear cover and remove cover.
2. Round up revolutions/stroke or mm/travel or
degrees to the next incremental value (for
incremental values refer to table above).
3. Adjust the slide wheel (2) so that the gear rim
faces the desired incremental value on the
scale:
Push the slide wheel in the right direction,
applying only little pressure. Adjusting the slide
wheel is facilitated by a slight movement of the
central wheel (3).
Do not yet fi t the signaling gear cover.
The end positions have to be set and, if available,
the mechanical position indicator.
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