Technical data

SED2 Operation & Maintenance Manual
48 Siemens Building Technologies, Inc.
P2253
P2261
r 2262
: setpoint source
: setpoint filter timeconstant
: filtered setpoint
P2264
P2267
P2268
P2270
P2271
r 2272
P2274
: feedback source
: feedback threshold max
: feedback threshold min
: function sequence
: transducer type
: scaled feedback
: derivative time
: transient error signal
: P gain
: I gain
: ramp-up/-down time of PID limit
: PID output upper limit
: PID output lower limit
: actuator opening time
: actuator closing time
53.A = PID output at lower limit
53.B = PID output at upper limit
r2294: PID output
PID
CONTROLLER
r 2273
P2280
P2285
P2293
P2291
P2292
P2304
P2305
P0731/P0732 :
P0731/P0732 :
5192Z21en
Figure 31. SED2 PID Controller.
Parameter Settings for the PID Controller (Commissioning)
NOTE:
The setpoint and the actual signal value display as a percentage (%). Make sure that the two signals match
each other.
FIXED SETPOINTS 1-15:
P2201 – P2215
Enter fixed setpoint.
The setpoint is active if switching command ON is
sent to Digital Input 1 (DIN1).
EXTERNAL SETPOINT:
Analog input
See Analog Inputs section for the parameter
settings.
PID SETPOINT:
P2253[0]
Set to value 2224;
fixed PI setpoint.
P0701[0]
Enter value 16;
sets Digital Input 1 (DIN1) to ON with fixed setpoint;
see Digital Inputs section .
EXTERNAL PID SETPOINT:
P2253[0]
Set to 755; setpoint is configured to AIN 1.
P0756[0]
Select the type of Analog Input 1 for the setpoint.
P0757[0] to P0760[0]
Set scaling for Analog Input 1 (AIN1).
P0756[1]
Define the type of Analog Input 2 (AIN2) for the actual signal value.
P0757[1] to P0760[1]
Set scaling for Analog Input 2 (AIN2).
P2264[1]
Set to 755[1]; defines AIN2 as actual value.
P2306
Define the reaction of the PID controller to the actual values (0=heating, 1=cooling).
P2200[0]
Enable the PID controller (0=disable, 1=enable).