Agilent Technologies 8453 User Manual, Installing And Operating Manual page 107

✔
Table 28
CCW Operation
CW Operation
✔
Table 29
Pump off
CCW operation
CW operation
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Agilent 8453 Dissolution Testing System Installing and Operating Manual
Check remote operation of the stand alone pump:
1 Connect the valve-pump controller-pump cable because the pump has a
remote/manual switch integrated in the remote plug.
2 Take a piece of wire to short the pins 2 and 3 with pin 1 (GND) or 3 with
pin 1 (GND) (see
Controller-Pump Cable (Controller Connector)
Pin 2
Open
GND
Check electronics of the valve unit:
1 Open the connector of the valve-pump controller-pump cable which
connects to the valve-pump controller to have access to the pins.
2 Connect the valve-pump controller-pump cable to the valve-pump
controller and the pump.
3 Measure the logic levels given in
setpoints in your computer.
Pump Connector of Controller
Pin 2
0
1
0
Check the electronics of the GP-IO port of the spectrophotometer, refer to
"Checking GP-IO Output Signals of the Spectrophotometer"
Using the Valve Unit and Valve-pump Controller
Table 28).
Pin 3
GND
GND
Table
Pin 3
1
0
0
Servicing Your Valve System
29, after entering the appropriate
on page 109.
4
107