CF 126
14
Nov 2001
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"National Instruments" and "LabVIEW" are trademarks of National Instruments Corporation.
"MARSHALLSOFT" is a registered trademark of MarshallSoft Computing, Inc.
Chapter 7 System Commands
7.1 Introduction
System commands affect the operation of the entire instrument.
7.2 Listings
Following are the Commands listed in this section.
F0 Transmit Front Panel Display
F6 Transmit Limit Status
F8 Clear Latched Limits
FI Display Received Characters
FL Transmit Multiple Readings
FR Reset
W1 Write Baud Rate
W2 Write Automatic Line-feed Setting
W4 Write Address
RA/WA Read/Write Limit Set Point
RB/WB Read/Write Limit Return Point
RC/WC Read/Write Limit Operation
WI Write Continuous Transmit Setting
RL/WL Read/Write Multiple Readings Setup
RP/WP Read/Write Dual-Line Display Operation
RQ/WQ Read/Write Power Up Display Value
RR Read Firmware Revision
RS/WS Read/Write Channel to Display
ZM Read Scan Time
ZX Temporarily Suppress Continuous Transmissions
ZY Read Configuration
7.3 Descriptions
F0
Transmit Front Panel Display
Purpose
To transmit the contents of the front panel display
Usage
“#
aa
F0
↵
”
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
↵
is the 'carriage return' character (ASCII decimal 13).
Example
#00F0
↵
Reply
“02HI 5670.5 LBS” (typical)
Remarks
This function is used to verify that communications with the instrument have been
established rather than reading data. Data is usually desired from a particular channel
number regardless of which channel the display happens to be monitoring.
The “
S
” and “
T
” display symbols are transmitted as “
HI
” and “
LO
” respectively. The
“
”and “
” symbols are not transmitted.
F6
Transmit Limit Status
Purpose
To transmit which of the limits have been activated
Usage
“#
aa
F6
↵
”
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
↵
is the 'carriage return' character (ASCII decimal 13).
