Discrete I/O Kit (253567) - Graco Therm-O-Flow 20 Instructions - Parts Manual

Discrete I/O Kit (253567)

The discrete I/O kit is designed to connect to robots or
PLC that control the primary unit. This connection allows
the communication of System On/Off, Heat On/Heat
Soak/Ready, Setback, Pail Empty, Warnings, Alarms,
Maintenance, and Gun switch. Included in this kit is the
Internal Cable Harness to convert the primary unit and
the 40 ft external cable, which has individual wire on the
robot/PLC end for the user to install.
Digital Output
See F . 47. Connect +Vdc to pins 5 or 14. EasyKey will
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toggle outputs to +Vdc when activated.
Digital Inputs
See F . 47. Connect "Digital Reference" to pin 1. All
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unused inputs must be tied "low" to "Digital Reference."
To activate signal, toggle from "Digital Reference" to
+Vdc. To deactivate signal, toggle from +Vdc to "Digital
Reference".
Examples
System On/Off
• Toggle from "Digital Reference" to +Vdc to turn sys-
tem on.
• Toggle from +Vdc to "Digital Reference" to turn sys-
tem off.
Heat On/Off
• Toggle from "Digital Reference" to +Vdc to turn heat
on.
• Toggle from +Vdc to "Digital Reference" to turn heat
off.
Pump On/Off
• Toggle from "Digital Reference" to +Vdc to turn air
motor solenoid on.
• Toggle from +Vdc to "Digital Reference" to turn air
motor solenoid off.
+Vdc can range from 10-30 Vdc.
"Digital Reference" is the ground reference for the
+Vdc coming from the robot or PLC.
311976K
F . 45: Discrete I/O Kit
IG
1.75 X 3.0 WIRE DUCT
DC
INTRF
221
CON
101
1.75 X 3.0 WIRE DUCT
1.25 X 3.0 WIRE DUCT
O O O O O O O O O O O O O O O
O O O O O O O O
O O O O O O O O O O O O O O O O O O O O O
1.25 X 3.0 WIRE DUCT
PCB PCB
246 201
1.25 X 3.0 WIRE DUCT
F . 46
IG
Accessories
TI8558A
Preferred Routing
GND
LUG
SSR
130
FAN
DISC
100
NO
PARTS
AIRFLOW
DC
INTRF
224
O O
O O O O O O O O
PCB
226
O O O O O O O O
73