NEW BRUNSWICK SCIENTIFIC BioFlo 4500, Manual To Operations

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BioFlo 4500 M1254-0050 User’s Guide
78
PWM 0-85% Same as
PWM 0-100% ,
except the duration of the on state
ranges between 0 and 85% of the period. Enter a period
between 1 and 600 seconds.
PWM 0-50% Same as
PWM 0-100%
,
except the duration of the On state
ranges between 0 to 50% of the period. Enter a period
between 1 and 600 seconds.
0-1 Volt Analog output varies between 0 and 1 volt
0-5 Volts Analog output varies between 0 and 5 volts
0-10 Volts Analog output varies between 0 and 10 volts
0-20 mA Analog output varies between 0 and 20 mA
4-20 mA
Analog output varies between 4 and 20 mA
GAS MIX Varies addition gas mix ratios while maintaining a
constant flow rate. Refer to the
Controlling & Mixing
Addition Gases section of this manual for details.
NOTE:
For Frequency and Tachometer Wheel inputs, the integral will not
run if the feedback signal is zero. To compensate for this, set the
PROPORTIONAL CONSTANT
to a non-zero value.
17. Select the
OUTPUT ACTION
. Refer to the output device manufacturer’s
specifications. The choices are:
DIRECT Varies linearly from minimum at 0% controller output to
maximum at 100% controller output.
REVERSE Varies linearly from maximum at 0% controller output to
minimum at 100% controller output.
CENTER OFF Varies linearly from minimum at 100% controller output to
maximum at +100% controller output.
2 CH DIRECT
•
OUTPUT A varies linearly from minimum at 0%
controller output to maximum at 100% controller output.
•
OUTPUT B varies linearly from maximum at -100%
controller output to minimum at 0% controller output.