PXS-710D Section 5
63
4.3
CONTINUED:
Pin # Function Description
Si
nal
1 N/C
2 TX Output
3 RX Input
4 N/C
5 GND Common
6 N/C
7 N/C
8 N/C
9 N/C
Table 4.2
RS-232 Pin Out
The Serial Protocol used in this interface incorporates a data packet with a 16-bit
CRC for error detection. Handshaking ACK and NAK replies are incorporated to
enable error recovery.
The Interaction of the OpalRad UAI (User Acquisition Interface) with the PXS-
710D Generator is as follows: (REF. Figure 4.1)
The OpalRad UAI will be referred to as the ‘Host’
GENERATOR IDLE:
When the generator is at rest, three (3) commands are recognized from the
Host:
SETGENCMD Sets the Generator Techniques
UNSETGENCMD Revokes the Generator Techniques
ERRORSTATUSCMD Requests the current machine status
The SETGENCMD sets the Generator Techniques with the Data supplied in
the data packet. When a user picks a technique button, this command is sent
to the generator.
The UNSETGENCMD revokes any set techniques by setting them to zero. This
is sent to the generator when a Technique button is de-selected.
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