Agilent 8453 Dissolution Testing System Installing and Operating Manual 111
Using the Valve Unit and Valve-pump Controller 4
Servicing Your Valve System
14 12 Rdy(-)
‡
11 13 D0OUT
12 14 D1OUT
13 15 D2OUT
* (-) means active low.
† (-) means active low.
‡ (-) means active low.
Tab le 32 Controller-to-Pump Cable (G1103-61612)
Pin
Pump
Pin
Valve-pump Controller
1, 2 1 GND
42
*
* Open collector output up to 500 mA at low level.
Direction, CW
32 3 Pump ON, CCW
Tab le 31 GPIO-to-controller Cable (G1103-61610) (continued)
Pin
Spectrophotometer
Pin
Valve-pump Controller