DH Instruments MFC-CB, Руководство по эксплуатации и обслуживанию

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MFC-CB™ Operation and Maintenance Manual
©2001~2007 DH Instruments, a Fluke Company
Page 66
DRV(=)
Purpose Read or set the status of all of the external 12V drivers.
Syntax “DRV=bitfield
“DRV”
Arguments Bitfield: The Bitfield (0 to 255) defining which valves are energized,
and which are de-energized. The following values represent
the eight drivers:
'1'
Driver #1
'2' Driver #2
'4' Driver #3
'8' Driver #4
'16 Driver #5
'32' Driver #6
'64' Driver #7
'128' Driver #8
Defaults “DRV=0”
Remarks
The "DRV" command controls all eight drivers at once. Sum the drivers that
will be energized together. To energize Driver 2, 3 and 7 (leaving 1, 4, 5
and 6 off) you would set Bitfield to '70' (2 + 4 + 64 = 70). See “DRVn” to
control individual drivers separately.
Example Command:
Reply:
“DRV=70”
“70”
Errors ERR# 7: The Bitfield specified is invalid
See Also 3.2.7, "DRV
n
"
ERR
Purpose Read the last error message.
Syntax “ERR”
Remarks
The “ERR” command provides more details about an error that has
occurred. If the user receives an “ERR# nn” reply, the “ERR” command
returns a brief description about the last error number that was replied.
Example Command:
Reply:
“ERR”
“Missing or improper command argument(s)”
See Also 4.3.3, Table 9
GPIB(=) cl
Purpose Read or set the GPIB-488 address.
Syntax "GPIB"
“GPIB=addr”
Arguments addr: The primary GPIB address 1 to 31.
Defaults “GPIB=10”
Remarks
The reply will be sent AFTER the address is changed.
Example Command:
Reply:
“GPIB=20”
“20”
Errors ERR# 6: The addr is invalid.
See Also 3.4.5.2, 4.2.2