Siemens Milltronics BW500 Operating Instructions Manual page 120

PID Control
9.5 Programming
Note
For the mA input:
• mA input 1 is an external signal normally reserved for controller 1. The signal is input at
terminals 5 and 6 on the mA I/O board.
• mA input 2 is an external signal normally reserved for controller 2. The signal is input at
terminals 7 and 8 on the mA I/O board.
P250-01 mA Input Range
Select 1- 0 to 20, 2-4 to 20
Select the appropriate range for the mA input signal.
P255-01 mA Input Function
Select: 0, 1-PID SP, 2-PID PV
Assign either 1: PID setpoint, or 2: process variable as the function of the mA input.
P401-01 PID Update Time
Readings between PID Updates
Enter the value, e.g. nominal value of 1.
P402 Process Variable Source
1- Rate, 2-Load, 3-mA In
Select the source. Rate and load are internal values.
P405-01 Proportional Term
Enter
Enter the value for the proportional term, for example: nominal value of 0.4.
P406-01 Integral Term
Select 1- 0 to 20, 2-4 to 20
Enter the value for the integral term, for example: nominal value of 0.2.
P407-01 Derivative Term
Enter
Enter the value for the derivative term, for example: nominal value of 0.05.
118
E
2
E
0
E
1
E
E
0.40
E
0.2
E
0.05
Operating Instructions, 12/2016, A5E33482052-AD
BW500 and BW500/L