Vektek Guardian 2.0 User Manual page 22

Vektek Guardian™ 2.0 User's Guide
Wiring Information
The connections for the optional Serial Communications port are thru the
female M8-3 pin connector on the bottom of the MCU. The three pin
connections are Transmit (TX), Receive (RX) and Signal Common.
The signal voltage levels are industry standard RS-232. It is recommended
that any cable connections longer than three meters or routed near devices
that generate large EMI sources, use shielded cables that are grounded at
the Machine Controller.
Figure 26: M8-3 PIN WIRING
Communications
The Protocol specifications for the optional Serial Communications port are
as follows:
Baud Rate Data bits Parity Bit Stop Bits
19,200 8 None 1
The message transmitted will be in the format of four digits followed by carriage return and linefeed.
For Example: 0048<CR><LF>
The unique FTU ID serial number has many more digits than are shown on the LCD screen of the MCU
and is transmitted on the optional Serial Communications port. Only the four last digits are transmitted.
If there is no Pallet ID being read then the MCU sends four zeros '0000<CR><LF>' as described above
when normal, based on the Mode selected in the MCU.
Serial Request for FTU Number
The MCU when set in Mode 3 will monitor the Serial Communications port looking for a single character
to request data. When the 'R' (ASCII 82 decimal) character is detected on the receive port, the MCU will
send the current FTU number in the format as
described above.
PALLET ID TAG Installation
It is recommended that the Pallet ID Tag be installed
in direct line of sight with the Pallet ID Reader on a
metal surface. See Figure 27 for mounting
dimensions.
Figure 27: PALLET ID TAG MOUNTING DIMENSIONS
G e n e r a l P r o d u c t R e v . A I A W E C N - 5 5 8 1
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