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RPM4-AD™ OPERATION AND MAINTENANCE MANUAL
COM1
Purpose
Command
Query
Classic
Arguments
Defaults
Remarks
Example
(enhanced)
Example
(enhanced)
Example
(classic))
Errors
See Also
COM2
Purpose
Command
Query
Classic
Arguments
Defaults
Remarks
Example
(enhanced)
Example
(enhanced)
Example
(classic)
Errors
See Also
© 2005-2007 DH Instruments, a Fluke Company
Read or set the RS232 settings for the COM1 port.
"COM1 baud, parity, data, stop"
"COM1?"
"COM1=baud, parity, data, stop"
"COM1"
Baud:
The baud rate. This may be '300', '600','1200','2400','4800', '9600' or '19200'.
Parity:
The data parity. This may be 'O' for odd, 'E' for even, or 'N' for none.
Data:
The number of data bits. This may be '7' or '8'.
Stop:
The number of stop bits. This may be '1' or '2'.
"COM1 2400,E,7,1"
The COM1 port is used to communicate to the RPM4-AD. When the COM1 port configuration of
the RPM4-AD is changed, the program message reply (COM1 use only) is sent at the old COM1
settings, but all subsequent communications are accomplished at the new COM1 settings.
A 250ms or longer delay after receiving the reply to this command will ensure that the RPM4-AD
has changed the COM port settings and is ready for communications at the new settings.
Cmd sent:
"COM1 9600,N,8,1"
Query reply:
"9600,N,8,1"
Cmd sent:
"COM1? 9600,N,8,1"
Query reply:
"9600,N,8,1"
Sent:
"COM1=9600,N,8,1"
Reply:
"9600,N,8,1"
ERR# 7:
Missing or improper program message argument(s).
"COM2"
3.5.2.1
Read or set the RS232 settings for the COM2 port.
"COM2 baud,parity,data,stop"
"COM2?"
"COM2= baud,parity,data,stop"
"COM2"
baud:
The baud rate. This may be '300', '600','1200','2400','4800', '9600' or '19200'.
parity:
The data parity. This may be 'O' for odd, 'E' for even, or 'N' for none.
Data:
The number of data bits. This may be '7' or '8'.
stop:
The number of stop bits. This may be '1' or '2'.
"COM2 2400,E,7,1"
COM2 is generally used to allow the host computer to communicate through the RPM4-AD to an
additional device connected to COM2. This can be useful if the host computer does not have 2
serial ports available.
Cmd sent:
"COM2 9600,N,8,1"
Query reply:
"9600,N,8,1"
Cmd sent:
"COM2? 9600,N,8,1"
Query reply:
"9600,N,8,1"
Sent:
"COM2=9600,N,8,1"
Reply:
"9600,N,8,1"
ERR# 7:
Missing or improper program message argument(s).
"COM1"
3.5.2.1
Page 90
(No reply if GPIB-488)
(No reply if GPIB-488)
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