Graco ProMix PD2K Operation page 23

Operation Using Using a a a Programmable
Operation Operation Using
Network Network Network Communications Communications Communications and
Discrete Discrete Discrete I/O I/O I/O
The ProMix PD2K Automatic system does not use
a Booth Control module. Instead, it uses Network
Communications and has optional Discrete I/O
features to drive the system remotely.
Some automation control elements of the
ProMix PD2K can be driven by a discrete
or
input network communications. These
options need to be configured at the ADM (see
Gateway Screen, page 75). The following features
can be set to 'Discrete' or 'Network':
• Flow Flow Control Flow Control – Means of adjusting the control set Control
Flow Control Control Set
point (see Flow Flow Control
Gun Trigger Trigger – Means of signaling the ProMix PD2K
• Gun Gun Trigger
when the spray device is triggered.
NOTE: The Manual Override check box on System NOTE: NOTE:
Screen 1 enables a user to operate the system
before the automation (PLC) is available. Manual
Override can be used to run all functions of the
system if a proper gun trigger signal is provided. It is
not intended to be the main mode of control. Graco
recommends that Manual Override be disabled
during normal operation to avoid driving the system
in a way that conflicts with the automation sequence.
3A4486D
Programmable Logic
Programmable
and and
Set Point Point below).
Set Point
Operation Using a Programmable Logic Controller (PLC)
Logic Controller
Logic
Discrete Discrete I/O Discrete
The ProMix PD2K does not supply power for
Discrete I/O. A clear understanding of these inputs
is necessary to properly integrate the ProMix PD2K
with the PLC or networking device. Input and output
connections are made at the Discrete I/O terminal
strips on the Enhanced Fluid Control Module (EFCM)
inside the control box.
Table 3 and Figure 12 show where discrete I/O
connections are made on the ProMix PD2K.
Table 3 3 3 PD2K PD2K Discrete
Table Table PD2K
I/O
Description
Gun Trigger
#1 Input
Gun Trigger
#2 Input
Control Set
Point #1
Control Set
Point #2
Safety
Interlock
Input
Controller (PLC)
Controller
I/O I/O
Discrete I/O I/O Connections Connections
Discrete I/O Connections
EFCM Pins
Connector
6 1,2
6 3.4
7 1,2
7 3.4
5 10,11
(PLC)
(PLC)
Type
Normally Open
Contact
Normally Open
Contact
4-20 mA Input
4-20 mA Input
Normally Open
Contact
23