Siemens SIMATIC S7-1200 - Page 631

Technology instructions
10.2 PID control
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
631
Setting
TO-DB parameter
Data
type
Value range
Description
Number
of slaves
"Config.Cascade.CountSlaves" Int 255 >= Con-
fig.Cascade.
CountSlaves
>= 1
Number of slave control-
lers that get their set-
point directly from this
master controller. The
PID_Temp instruction
processes this value,
along with others, for
anti-windup-
handling."Number of
slaves is only available if
“This controller is a mas-
ter” checkbox is activat-
ed (Con-
(Con-
fig.Cascade.IsMaster =
TRUE).
This
controller
is a
slave
"Config.Cascade.IsSlave" Bool Bool Shows if this controller is
a slave in a cascade.
When you check this
checkbox, you set the
parameter "Con-
fig.Cascade.IsSlave" to
TRUE, instead of FALSE
if unchecked (=default).
You must check this
checkbox in the property
page to enable the “Se-
lectionMaster” dropdown
list.