Commands - Sony LT20 Series Instruction Manual

Data signalling
MIN. A
rate (bps)
19200
21
9600
21
4800
21
2400
21
1200
21
600
21
3. Output at set interval
Initial setting:
Eight intervals available, 0.2, 0.5, 1.0, 5.0, 10, 30, 60,
and 300 s.
∗ This interval is set with the initial settings.
(See P54 "5-1-3. RS-232C model".)

4. Commands

Data is output by input ASCII code commands. For
more details see section 8-7.
Commands can be received during modes 1, 2, 3.
• Holding display and output.
While the EXT.IN signal is "L" (ON) the display and
output (RS-232C data, terminals, result evaluation)
are held.
However, when the initial setting of pin 0 of the
terminals is changed from
shipping, to
display and output of terminals is operated by
only pin 0 of the terminals and the EXT. IN hold
function operates only for the RS-232C data.
MIN. B MIN. A' MIN. B'
3 10
21
21 3 20
40 3 40
3 80
80
160 3 160
320 3 320
Unit : ms
, set at the time of
, the hold function for the
8-7. Commands
1. Command table (Converted to ASCII code)
Command
∗P-P
Switch to peak-to-peak value mode.
∗MAX
Switch to maximum value mode.
∗MIN
Switch to minimum value mode.
∗REAL
Switch to current value mode.
∗RCL
Recall the preset value.
∗RES
Reset.
∗START
Start.
∗P= ¥ ¥ ¥ ¥ ¥ ¥ ¥
Set preset value.
∗CH= ¥ ¥ ¥ ¥ ¥ ¥ ¥
Set comparator upper limit.
∗CL= ¥ ¥ ¥ ¥ ¥ ¥ ¥
Set comparator lower limit.
∗r
Request for output for one channel.
R Request for outputs for 2 channels.
KEYON Allow use of front panel key.
KEYOFF Prohibit use of front panel key.
∗ : For the 1 channel model or the 2 channel model A
channel use "A", for the 2 channel model B channel
use "B".
¥ : Value to be set. (Example: 123.456)
Operation
71