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M o d e l DRc-93C
Section
IV
4 . 7 . 2 . 3
Local Lockout
-
This message
the unit has completed its message
["m2";
Table 4-61 disables the DRC-
transfer.
Switch
1
of the IEEE
93C's Local Front Panel controls,
address
defines
the
terminator
including the LOCAL button.
The
status.
If switch
1
is OPEN
(0)
message
is in effect until
the
the terminator status is defined as
message is cleared over the
Bus
or
"TO"
[
(CR) (LF)
3
and
terminator
power is cycled.
status can not be changed over the
interface.
W h e n switch
1
is CLOSED
Many IBM PC IEEE-488 cards automa-
(1) the terminator status is defined
tically place addressed instruments
as "T1"
[
(LF)
)
(CR)
3
and the status
into Local Lockout.
To be able to
can be changed using
the "TO",
place
the
DRC-93C
into
Remote
"T1", "T2" or "T3" commands.
without Local Lockout the user may
need to reconfigure his IEEE-488
4 . 7 . 4
Clear
card.
The (C) lear Message [see Table 4-41
4 . 7 . 3
Termina
ting characters
-
sets the DRC-93C
to the turn-on
T h e
TN1
Command
state.
This action is similiar to
turning the instrument OFF and then
Terminating characters ["TO", "T1",
turning it back ON, except that it
"T2" and "T3"; Table
4-63
are used
occurs in milliseconds, rather than
to indicate the end of a record.
seconds and the DRC-93C does not go
Record terminators are used when
through the power-up display se-
quence
.
Table 4-5.
DRC-93C
Summary
of
Output Requests
Table
4-6
4-7
4-9
4-10
4-11
4-13
4-14
4-15
Request
w2
WI
WD
W P
w3
WY
WQ
WEN1
N2
ws
wc
wo
WM
output
Interface Status
Input and Option Card Data
Sample, Control,A and B Input Information
Set Point Data
Control Data (Gain, Reset, etc.)
Scan Data
Service Request Data
Program Step
#
N1N2 Data
Sample Sensor Data
Control Sensor Data
Sample
&
Control Sensors, Setpoint Data
MAX, MIN and MAXDEV Data
COPYRIGHT
3/88
LSCI
4-9
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