Addressed Commands; Rs-232-C Interface; Characteristics Of Interface - Fluke Norma 4000 User Manual

Remote Control
Users Guide

Addressed Commands

Addressed commands are in the code range 00 to 0F hex. They only act on instruments
addressed as listeners.
Command
SDC (Selected Device Clear)
<not implemented>
GET (Group Execute Trigger)
<not implemented>
GTL (Go to Local)
<not implemented>
PPC (Parallel Poll Configure)
<not implemented>

RS-232-C Interface

The instrument is fitted with an RS-232-C interface as standard. The 9-contact interface
is provided at the rear of the unit, see Figure 3-2. A controller for remote control can be
connected via the interface.

Characteristics of Interface

3-6
Table 3-3. Addressed Commands
IBCLR (device%)
IBTRG (device%)
IBLOC (device%)
IBPPC (device%, data%)
•
Serial data transmission in asynchronous mode
•
Bidirectional data transmission via two separate lines
•
Selectable transmission rate from 1200 to 115200 baud
•
Logic 0 signal level from +3 V to +15 V
•
Logic 1 signal level from –15 V to –3 V
•
An external unit (controller) can be connected
•
Software handshake (XON, XOFF)
•
Hardware handshake
QuickBASIC command Effect on the instrument
Aborts the processing of the
commands just received and
sets the command processing
software to a defined initial state.
Does not change the instrument
setting.
Triggers a previously active
instrument function (for example,
a sweep). The effect of this
command is identical to that of a
pulse at the external trigger
signal input.
Transition to LOCAL state
(manual control).
Configures the instrument for
parallel polling. The QuickBASIC
command additionally executes
PPE / PPD.