DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc .
Page 80
COM1
Purpose Read or set the RS232 settings for the COM1 port.
Command
Query “COM1 baud, parity, data, stop ”
“COM1?”
Classic “COM1= baud, parity, data, stop ”
“COM1”
Arguments baud:
parity:
data:
stop:
The baud rate. This may be ‘300’, ‘600’,’1200’,’2400’,’4800’, ‘9600’
or ‘19200’.
The data parity. This may be ‘O’ for odd, ‘E’ for even, or ‘N’ for none.
The number of data bits. This may be ‘7’ or ‘8’.
The number of stop bits. This may be ‘1’ or ‘0’.
Defaults “COM1 2400,E,7,1”
Remarks The COM1 port is used to communicate to the PPCK+. When the COM1 port
configuration of the PPCK+ is changed, the program message reply (COM1 use only)
will be sent at the old COM1 settings, but all subsequent communications will be
accomplished at the new COM1 settings.
Example
(enhanced) Cmd sent:
Query reply: “COM1 9600,N,8,1”
“9600,N,8,1”
Example
(classic) Sent:
Reply: “COM1=9600,N,8,1”
“9600,N,8,1”
Errors ERR# 7: Missing or improper program message argument(s).
See Also 3.4.4.3, “PASSTHRU”
COM2
Purpose Read or set the RS232 settings for the COM2 port.
Command
Query “COM2 baud,parity,data,stop ”
“COM2?”
Classic “COM2= baud,parity,data,stop ”
“COM2”
Arguments baud :
parity :
Data:
stop :
The baud rate. This may be ‘300’, ‘600’,’1200’,’2400’,’4800’, ‘9600’
or ‘19200’.
The data parity. This may be ‘O’ for odd, ‘E’ for even, or ‘N’ for none.
The number of data bits. This may be ‘7’ or ‘8’.
The number of stop bits. This may be ‘1’ or ‘0’.
Defaults “COM2 2400,E,7,1”
Remarks The COM2 port can be used to allow the host computer to communicate through the
PPCK+ to an additional device connected to COM2. This can be useful if the Host
computer does not have 2 serial ports available.
Example
(enhanced) Cmd sent:
Query reply: “COM2 9600,N,8,1”
“9600,N,8,1”
Example
(classic) Sent:
Reply: “COM2=9600,N,8,1”
“9600,N,8,1”
Errors ERR# 7: Missing or improper program message argument(s).
See Also 3.4.4.3, “PASSTHRU”