4. REMOTE OPERATION
Page 121
© 1995 - 2010 Fluke Corporation, DH Instruments Division
COUT(=)
Purpose
Set a current to the MFC if in current mode.
Syntax
“COUT=current”
Arguments
Current:
The current to be sent to the MFC (4 to 20 mA).
Defaults
“COUT=4”
Remarks
The optional MFC interface can set a current for an MFC. The must be
in current mode before this can be done (see the “MFCCH” command). The data
is always in “mA”. This command does not change the regulation mode target for
the MFC.
Example
Command:
Reply:
“COUT=12”
“12.00 mA”
See Also
3.4.8
DEVICE(=)
Purpose
Select to use the ‘A’, ‘B’ or both the ‘A’ and ‘B’ molblocs.
Syntax
“DEVICE=
n
”
“DEVICE”
Arguments
Device:
‘A’ to select molbloc A.
‘B’ to select molbloc B.
‘A+B’ to select molbloc A and B in A+B mode.
‘EXT’ to reload molbloc A and molbloc B data.
Defaults
“DEVICE=A”
Remarks
The molbloc calibration data is stored in the external molbloc. This data is
normally loaded on power up, but can be reloaded using this command if the
molbloc has been changed since power up. Loading the data normally takes less
than a second, but can take up to 10 seconds if the molbox has problems
communicating with the molbloc. When using molbloc-S, A+B mode cannot be
selected if “BPR” mode is set to “auto”
Example
Command:
Reply:
“DEVICE=B”
“B”
Errors
ERR# 6:
ERR# 7:
ERR# 24:
BPR is in auto mode and “A+B” mode was requested
Text argument in invalid
A molbloc is not connected to the .
ERR# 35:
The molbloc experienced a communications timeout.
ERR# 40:
The molbloc experienced a read checksum failure.
ERR# 41:
The molbloc data header is corrupted.
See Also
3.1.1
DP
Purpose
Read the differential pressure value used by to calculate flow.
Syntax
“DP”
Remarks
The has upstream and downstream absolute RPTs. The pressure
returned by this command is the differential pressure value that is being used by
to calculate flow. This is the
tare
adjusted difference between the 2
absolute RPTs. The first 3 characters of the reply from make up the
Ready/Not Ready c
ondition (see the “SR” command). The differential pressure
string follows it.
Example
Command:
Reply:
“DP”
“R 0.0227 kPa”
See Also
“SR”
DRVn(=)
Purpose
Read or set the status of an external solenoid valve.
Syntax
“DRVn=x”
“DRVn”
Arguments
N
X
The valve to operate on. This can be from 1 to 8.
The state to change the valve to. ‘0’ to de-activate it. ‘1’ to
activate it.
Defaults
“DRVn=0”
Remarks
The has the option of controlling up to eight external valves.
Example
Command:
Reply:
“DRV3”
“DRV3=1”
Errors
ERR# 6:
The n or x arguments are not within given limits.
See Also
3.6.7, 7.2
