Graco ProBell Electrostatic Controller Instructions And Parts page 24

Discrete I/O
Pin Type Description
18 Digital SAFE POSITION Interlock Input
Input
The controller will not activate the electrostatics unless this and all other interlock inputs
have been satisfied. If satisfied in another manner, this interlock can be disabled
by changing switch 2 to the ON position on the controller main circuit board. See
Disable Controller Interlocks, page 9
The SAFE POSITION interlock does not deactivate electrostatics when the signal is not
satisfied. This signal indicates that a robot or applicator is in a position in which it is safe to
activate electrostatics without arc detection.
NOTE: Switching from 1 to 0 does not deactivate electrostatics.
Symbol A10 on the display screen (see
satisfied.
19 Digital 24 VDC Interlock Input
Input
The controller will not activate electrostatics unless this and all other interlock inputs
have been satisfied. If satisfied in another manner, this interlock can be disabled
by changing switch 1 to the ON position on the controller main circuit board. See
Disable Controller Interlocks, page 9
Symbol A9 on the display screen (see
satisfied.
24
0: Interlock not satisfied: If electrostatics are off, electrostatics disabled. If
electrostatics are on, no change to electrostatics.
1: Interlock satisfied; electrostatics activation is not locked by this input.
0: Interlock not satisfied; electrostatics disabled
1: Interlock satisfied; electrostatics activation is not locked by this input.
.
Screen Areas, page 38) will show that this signal is
.
Screen Areas, page 38) will show that this signal is
3A3657C