126 pi reference sel – Rockwell Automation Liqui-Flo 1.5 General Purpose and Vector Duty User Manual
Page 59
Parameter Descriptions
4-27
Bit 0 - PI Enable
•
Enables/disables the operation of the PI loop.
Bit 1 - PI Hold
•
Enabled = The integrator for the outer control loop is held at the current level; that
is, it will not increase.
•
Enabled = The integrator for the outer PI control loop is allowed to increase.
Bit 2 - PI Reset
•
Enabled = The integrator for the outer PI control loop is reset to zero.
•
Disabled = The integrator for the outer PI control loop integrates normally.
Selects the source of the PI reference signal.
Figure 4.9 – PI Control (125)
0
0
x
0
x
x
x
x
x
x
x
x
x
x
x
x
10
0
1
2
3
4
5
6
7
8
9
11
12
13
14
15
1 =Enabled
0 =Disabled
x =Reserved
Bit #
Factory Default Bit Values
PI Enable
PI Hold
PI Reset
Nibble 1
Nibble 2
Nibble 3
Nibble 4
126
PI Reference Sel
Range:
0 = PI Setpoint
1 = Analog In 1
2 = Analog In 2
3-8 = Reserved
9 = MOP Level
10 = Master Ref
11 = Preset Spd 1
12 = Preset Spd 2
13 = Preset Spd 3
14 = Preset Spd 4
15 = Preset Spd 5
16 = Preset Spd 6
17 = Preset Spd 7
18 = Network
19 = DPI Port 2
20 = DPI Port 3
21 = DPI Port 4
22 = DPI Port 5
23 = Reserved
Default:
0 = PI Setpoint
Access:
1
Path: Speed Command>Process PI
See also:
124-138