4 pumping program examples, 1 example 1: 2 step rate, 2 example 2: repeated dispenses with suck back – New Era NE-500 Multi-Phaser Programmable OEM Syringe User Manual

Page 23

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New Era Pump Systems Inc.

www.SyringePump.com

Model NE-500/NE-501 Multi-Phaser™

Publication #1200-02

18

09/18/14

7.4 Pumping Program Examples

7.4.1

Example 1: 2 Step Rate

ml Dispensed

0 5

30

0

2.5

500

m

l/

h

r

R

a

te

Infuse 5.0 mL at 500 mL/hr, and then infuse 25.0 mL at 2.5 mL/hr. Then stop the pump.

Phase

Function

Rate

Volume

Direction

1

RAT

500 mL/hr

5.0 mL

Infuse

Phase

Function

Rate

Volume

Direction

2

RAT

2.5 mL/hr

25.0 mL

Infuse

Phase

Function

3

STP

To send this program to the pump, send the following sequence of commands:

PHN 1
FUN RAT
RAT 500 MH
VOL 5.0
DIR INF

PHN 2
FUN RAT
RAT 2.5 MH
VOL 25.0
DIR INF

PHN 3
FUN STP

7.4.2

Example 2: Repeated Dispenses with Suck Back

m

l/

h

r

R

a

te

Time

0

0

750

5:00

:30

Dispense 2.0 mL with a 5 minute pause between dispenses. In addition, after each dispense, a volume of 0.25
mL is sucked back to prevent dripping. Also, 30 seconds before the end of the pause interval, a beep is
sounded to alert the operator to prepare for the next dispense.

Starting with the second dispense, 0.25 is added to the volume dispensed to compensate for the sucked back
volume of the previous dispense. By changing the last Phase to a [FUN LOP nn] function, the total number of
dispenses can be set.

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