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Radial 8 & 88 Operation Reference Manual 49379902 Rev. G
This Document Supports IM-UPS 5.0 and Higher
I/O Box Assembly
The I/O box on the machine contains electrical PC boards that control and
monitor the function of various machine devices.
MMIT MIT Board (slot 1)
The MMIT (Mini Machine Interface Translator) board translates
communications between the I/O box assembly and the VME chassis
assembly.
Multi-Input Boards (slots 3 and 4)
The multi-input boards are input devices through which most machine
signals enter. These boards also contain latches which capture the transient
signal from the lead sensor on the cutter head.
32 DC Output Board (slot 6)
The 32 DC output board controls the functions of up to 32 different outputs.
Thirty two devices can be activated or deactivated through the board. The
output signals drive the machine control panel indicators, valve solenoids,
and machine light tower.
Board Error Correction (BEC) Board (slot 11)
When the machine is performing the BEC function, axes control is given to
the BEC board, which receives input from the BEC quad detector sensor.
The BEC board then outputs the drive signal to the appropriate servo
amplifier board, which in turn activates that axis. This continues until the
BEC board no longer receives a signal from the quad detector indicating that
the hole in the board being processed is centered over the sensor.
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