Operation
81
SIP ART PS2 Manual
A5E00074631-01
.
NOTE
The specification “YWAY” must match the mechanical lever arm trans-
mission. The carrier must be set to the value of the actuator stroke, if
this is not scaled to the next highest scaled value.
Automatic initialization (see chapter 3.6, page 57)
By selecting “Strt” and pressing the increment key
foratleast5
seconds, automatic initialization is started. The initialization process is
displayed by “RUN 1” to “RUN 5” (see figure 3-24, page 68 to figure
3-27, page 71).
If the positioner is already initialized, it can be switched over to the
uninitialized status without changing the other parameters by pressing
the decrement key (
) for 5 seconds.
Manual initialization
By selecting “Strt” and pressing the increment key
foratleast5
seconds, manual initialization is started. The manual initialization
process is described in chapter 3.6.6, page 66.
Current range of the setpoint
The selection of the current range depends on the connection type.
”0mA” (0 to 20 mA) is only possible in three-/four--wire connections
(see figure 3-15, page 51).
Setpoint direction (see figure 4-7, page 82)
The setting of the setpoint direction serves to reverse the direction of
action of the setpoint. It is used mainly for the split range mode and in
single--acting actuators with the safety position “up”.
Split range start (see figure 4-7)
and
Split range end (see figure 4-7)
The parameters “8.SPRA” and “9.SPRE” in connection with the
parameter “7.SDIR” serve to restrict the active setpoint range. In this
way split range tasks can be solved with the following characteristics.
- rising / falling
- falling / rising
- falling / falling
- rising / rising
4.INITA
5.INITM
6.SCUR
7.SDIR
8.SPRA
9.SPRE
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