Integra Cusa Excel Service Manual page 88

Table 7-2.
Suction pump voltage steps
CUSA EXcel Ultrasonic Surgical Aspiration System Service Manual
Suction pump control results from the same kind of operation as irrigation pump
control. The 4 bit output signal range for the suction pump is approximately 0 to
6V DC. The following table shows the suction steps:
suction step
desired voltage
default 4.4
max 6
Machine Control Board
+5v_sp = 6.15v
setpoint theoret v
1 0.40
2 0.80
3 1.20
4 1.61
5 2.00
6 2.41
7 2.81
8 3.23
9 3.63
10 4.03
11 4.43
12 4.84
13 5.23
14 5.64
15 6.03
7-5