NEW BRUNSWICK SCIENTIFIC BioFlo 4500, Manual To Operations

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New Brunswick Scientific Co., Inc. User’s Guide
131
1
1
7
7
M
M
L
L
-
-
6
6
1
1
0
0
0
0
D
D
O
O
C
C
O
O
N
N
T
T
R
R
O
O
L
L
NOTE:
The following procedures refer only to the use of the BioFlo 4500
equipped with the ML-6100 controller .
During the growth cycle, control of the dissolved oxygen (DO) level may be required.
The BioFlo 4500 may be configured with an optional system to control DO.
A typical control scheme for DO is as follows:
Figure 32: DO Control Loop Configuration
Enabled: No
Conn: N/A
Type: N/A
Setpoint
Cascade
Input
Input Device
Mode: Off
Output
Action: Direct
Type: PWM 0-100%
PWM Period: 10
Gains
P: N/A
I: N/A
D: N/A
Norm Const: N/A
Limits:
High: 100
Low: 0
Mode: Local
Conn: N/A
Type: N/A
From: N/A
Gain: N/A
Offset: N/A
Controller
Loop Name:
DO
Sterilization
Output Device
Output Device B
Output Device A
Conn: N/A
Type: N/A
Conn: N/A
Type: N/A
Recorder
Conn: S5-RE2
Type: Frequency
Scaling: Linear
Filter Gain: 1
Filter Band: 0
Meas. Limits: N/A
Enabled: No
Conn: N/A
Type: N/A