Siemens SIPART PS2 Kit Installation Instruction page 6

15900-796
INITIAL PS2 SETUP
Perform the following steps to set the transmission gear ratio
switch, apply instrument air and electrical power, and
manipulate the three setup pushbuttons to initially set up the
PS2. Read the Cautions on page 4 before proceeding.
1. Loosen the four captive screws securing the PS2 cover and
remove the cover.
2. Refer to Table 1 for the transmission gear ratio switch
setting: 33 or 90. Find the specified valve travel. Then find
the ratio switch setting at the intersection of the valve travel
row.
3. Refer to Figures 6 and 8 and to the label on the PS2 to, if
necessary, change the transmission ratio switch position..
Use a small screwdriver to shift the position of the slide
switch.
4. Connect tubing from positioner output port, labeled "Y1" on
positioner cover, to actuator inlet. For double acting us "Y2"
as well.
5. Connect tubing for instrument supply air to positioner supply
port labeled "Pz". Apply air pressure. Do not exceed
maximum casing pressure shown on actuator Warning
label.
6. Connect a DC power source to positioner terminals; see
Figure 6 for a typical electrical connection label. Electrical
connections vary with positioner model and options. Apply
electrical power.
Transmission Gear Switch Settings
FIGURE 6 PS2 Transmission Gear Ratio Switch Location (PS2 Cover Removed)
TABLE 1 PS2 Transmission Gear
6
Ratio Switch Setting
Positioner
Guide
On Slot
Inches Positions
1/4" 33
3/8" 33 33
7/16" 33 33 33
1/2" 33 33 33
5/8" 90 33 33
3/4" 90 33 33
7/8" 90 33 33
1" 90 33 33
1-1/8" 90 90 33
1-1/4" 90 90 33
1-1/2" 90 90 90
1-3/4" 90 90 90
2" 90 90 90
2-1/2" 90 90
3" 90 90
3-1/2" 90
4" 90
4-1/2" 90
> 5"
Use a small
screwdriver to shift
the yellow
transmission gear
switch from 33 to
90.
Shift from 90 to 33
from other side of
PS2.
33
33
33
33
33
33
33
90
90
90
90
90
90
90
90