APPENDIX B: ELECTRICAL AND DATA CONNECTIONS
UNIFLOW
®
4 PULSED HEAT CONTROL
B-20 990-908
EMERGENCY STOP Input
Switch Rating: 48 VDC at 2 Amps minimum
Type of Switch: Normally closed pushbutton
Timing: When the
EMERGENCY STOP switch is pressed, it removes 24-volt power
from the reflow head, causing it to retract immediately.
Manual Alarm Reset
Input Signal : 0 to 24 VDC
Timing: By applying a signal at J4A-7, a PLC or external computer
can readily reset all alarms and out of limits conditions before proceeding with
the next reflow process.
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