5-8 Panel Handling Subsystem
SMEMA Interface Standards 5DX Series 3
Figure 5-3 represents a portion of a production line. This configuration of
machines is know as Flow Through Mode. This mode passes panels from left-to-
right through the machine. In a production line, the last machine that a panel leaves
prior to entering the 5DX is the upstream equipment. In some cases, the upstream
equipment can actually be the conveyor system or an accumulator. In a production
line, the machine that a panel goes to after leaving the 5DX is the downstream
equipment.
Figure 5-3: 5DX Process flow diagram with multiple machine interface
Communication Signals
For the purposes of this discussion, all references to the signal functions are with
respect to the 5DX System. Figure 5-3 shows the signals used by the 5DX to meet
the SMEMA Electrical Equipment Interface Standard. These signals work in a
handshaking fashion. A panel will not transfer between the adjacent machines
unless one says, “I’m ready to send a panel.” and the other says, “I’m ready to
receive the panel.”
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