Renishaw APCA 45, Installation And User Manual

Page: 35 / 52

21
Pneumatic set-up (continued)
Operation sequence (circuit 3)
Operation
sequence
Stylus Solenoid
valve 1
Solenoid
valve 2
End of sequence
trigger
Monitor Variable to
set
Comment
1 Cover extend Protected 0 0 Pressure switch
activation Pressure
switch Default state
2 “Air bleed” off
(extended)
Protected 0 0 Time Pressure
switch Sequence
hold time
3 “Air bleed” on
(extended)
Protected 0 1 Time Pressure
switch Bleed time System pressure
> 4.5 bar
(65.3 psi)
4 “Air bleed” off
(extended)
Protected 0 0 Time Pressure
switch Sequence
hold time
5 Cover retract Accessible 1 0 Retract sensor Retract
sensor
6 “Air bleed” on
(retracted)
Accessible 1 1 Time Retract
sensor
Bleed time Allow control of
“air bleed” flow
7 “Air bleed” off
(retracted)
Accessible 1 0 Time Retract
sensor
Sequence
hold time
1 Cover extend Protected 0 0 Pressure switch
activation Pressure
switch “Default state”
stylus protected