Graco ProBell Electrostatic Controller Instructions And Parts page 12

Installation
PLC Integration
To reduce the risk of fire and explosion, the
Electrostatic Controller (A) must be electrically
interlocked with the spray booth ventilation fans
to prevent the applicator from operating unless
ventilation air flow is above the minimum required
value.
KEY:
A Electrostatic Controller
B
Electrostatic Controller Ground Wire
C Electrostatic Controller Power Cord
D CAN Cable
E Power Supply Cable
F Rotary Applicator
G PLC Communication Protocol Cable
H
Applicator Grounding Wire
J Paint Supply Line
K Dump Return Hose
L Solvent Supply Line
M Fluid Supply (isolation equipment needed for waterborne applications only)
N
Fluid Supply Grounding Wire
P PLC (connected to Gateway inside speed controller box)
R Air Lines
T Advanced Display Module (System Logic Controller)
U Air Controller
V
Air Controller Grounding Wire
W Speed Controller
X Speed Controller Grounding Wire
Y Power Supply
Z Power Supply Power Cord
12
The defining characteristics of a PLC (Programmable
Logic Controller) Integration installation include PLC
integration of all applicator and controller functions.:
See Discrete I/O, page 20, for a complete description
of the signals.
3A3657C