Discrete I/O Kit (253567) - Graco Therm-O-Flow 20 EasyKey Instructions 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 . 45. Connect +Vdc to pins 5 or 14. EasyKey will
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toggle outputs to +Vdc when activated.
Digital Inputs
See F . 45. 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.
312094K
F . 43: Discrete I/O Kit
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F . 44
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Accessories
TI8558A
65