New Era NE-4000 Multi-Phaser Programmable Double Syringe User Manual
Page 32
New Era Pump Systems Inc.
www.SyringePump.com
Model NE-4000 Multi-Phaser™
Publication #1200-01
27
09/05/14
Phase
Function
7
EV:01
Phase
Function
8
LP:ST
Phase
Function
Rate
Volume
Direction
9
INCR
1.0
0.25 mL
Infuse
Phase
Function
10
LP:14
Phase
Function
Rate
Volume
Direction
11
RATE
25.0 mL/hr
0.0 mL (off)
Infuse
8.4.6
Example 6: Automated Dispensing with Synchronization
'Power Failure
Mode' Pumping
Program Restart
at Power Up
Syringe
Refill
Event Trigger
from
Syringe Filled Sensor:
Jump to Phase 3
5:00:00
5:00:00
5:00:00
5:00:00
5:00:00
Restart Pumping Program
The following is an automated dispensing Program for a NE-4000 syringe pump equipped with a ‘Syringe Filled
Sensor’ attached to the TTL I/O connector, and a valve system to refill the syringe from a reservoir. It is also
assumed that the ‘Power Failure’ mode is enabled.
After a power fail restart, the pusher block is in an unknown position, making it impossible for an automated
dispensing system to regain synchronization. With the Syringe Filled Sensor, the following Pumping Program will
automatically synchronize the dispensing system, and then continue with the normal dispense.
The first 2 Phases set an event trap for the Syringe Filled Sensor and refills the syringe until the sensor is triggered.
When the sensor triggers the event, the pump’s pusher block will be synchronized with the Pumping Program. It is
assumed that the sensor is positioned to refill the syringe with 60 mL. A withdraw volume of 61 mL is set as a
safety feature.
After the syringe is refilled, one 5 mL dispense is made every 5 hours. After 12 dispenses, the syringe is refilled
using the sensor again.
Phase
Function
1
EV:03
Phase
Function
Rate
Volume
Direction
2
RATE
1000.0 mL/hr 61 mL
Withdraw
Phase
Function
3
LP:ST
Phase
Function
Rate
Volume
Direction
4
RATE
200.0 mL/hr
5.0 mL
Infuse
Phase
Function
5
LP:ST
Phase
Function
6
LP:ST