Fresenius Kabi Agilia SP, Technical Manual

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2.2
Principles of Operation
2.2.1 Syringe Test and Maintenance Sub-assembly
2.2.2 Motor Sub-assembly
2.2.3 External Connection Sub-assembly
From an operational point of view, the Agilia SP range of pumps is made up of 3 sub-assemblies:

Syringe test and maintenance

Motory

External connection
The syringe is positioned in its housing and held in place by the syringe barrel clasp.
Detection of the syringe size (50/60 mL, 30 mL, 20 mL, 10 mL or 5 mL) is ensured by the potentiometric
sensor positioned on the syringe barrel clasp.
The correct positioning of the syringe flanges in the groove is checked by detecting the flanges.
The motor sub-assembly ensures the displacement of the syringe piston.
It is set in motion by a motor-reducer linked to a screw-nut system.
Rotation control is ensured by a pinion attached to a motor shaft end and connected to an opto-electric
sensor.
A linear potentiometer mounted on an aluminum profile uses a rolling ball contact to ensure plunger
displacement control.
A micro-switch allows the disengagement mechanism position to be checked.
Correct positioning of the piston against the plunger driver is tested by the anti-siphon arm.
A force sensor integrated into the plunger driver detects the force exerted on the piston, and triggers an
alarm when the limit has been reached.
The Agilia SP range of pumps has two plugs located at the back of the angle bracket. See figure 2.16,
page 25.

AC power supply plug

8-pin binder plug which, together with various specific Fresenius Kabi accessories, enables the
following:
- Continuous external power supply
- Serial link