tinb29e1-c (2019-10) VGC083A_B.om 49
The VGC083 provides both RS232 and RS485 serial communications. Press the
ENTER key to access the SERIAL COMM menu for configuring the serial com-
munications.
[Factory default = RS485]
The VGC083 supports six different protocols listed below (See section 9 for
details).
• RS485 RS485 with start and stop characters and address, derived from
INFICON BAG302
• RS232 RS232 with start and stop characters, like RS485 above but
no address
• GP485 RS485 compatible with Granville-Phillips 307 and 358 controllers
• GP232 RS232 compatible with Granville-Phillips 307 and 358 controllers
• 2GP485 RS485 compatible with Granville-Phillips 350 controller
• 2GP232 RS232 compatible with Granville-Phillips 350 controllers
[Factory default = 19200]
This sets the baud rate for the RS485 and the RS232 serial communications. The
baud rate can be set to various values listed below.
• 38400 BAUD
• 19200 BAUD
• 9600 BAUD
• 4800 BAUD
• 2400 BAUD
• 1200 BAUD
• 600 BAUD
• 300 BAUD
[Factory default = 8 BITS, NONE 1]
This sets the character framing by providing the user various selections to control
the number of characters, parity and number of stop bits. Character framing can be
set to one of the following.
• 8 BITS NONE 1 (This selection sets the character framing to 8 data bits, no
parity, 1 stop bit)
• 7 BITS ODD 2
• 7 BITS EVEN 2
• 7 BITS ODD 1
• 7 BITS EVEN 1
• 8 BITS ODD 1
• 8 BITS EVEN 1
[Factory default = 01]
This sets the two byte RS485 device address. For example, an ADDRESS of 05
will make the address 0x05 in hexadecimal. An address of 15 will set the
ADDRESS to 0x15 in hexadecimal.
The DISPLAY menu allows the user to configure the OLED setup screen. The user
can configure the set-up screen to normal or research mode for IG, enable or dis-
able screen saver and adjust the display intensity. Press the ENTER key to access
the DISPLAY menu for configuring the setup screen.
[Factory default = NORMAL]
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