PID Control
9.2 Connections
Connect the BW500 as either a:
1. setpoint controller – load control
2. setpoint controller – rate control
3. setpoint controller – rate and load control
4. setpoint controller – external process variable with or without rate and load control
9.2.1
Setpoint Controller – Rate Control
①
②
③
④
⑤
⑥
⑦
⑧
108
PID loop
mA output
1
2
2
3
Shearing weighfeeder
Belt scale
Motor speed controller
Control output (P201-02 = 4)
Optoinal remote setpoint - rate (P255-01 = 1)
Load
Speed
Speed sensor
terminals
mA input
(mA I/O)
1 & 2
1
3 & 4
2
Operating Instructions, 12/2016, A5E33482052-AD
terminal (mA I/O)
5 & 6
7 & 8
BW500 and BW500/L