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Model 400E Instruction Manual
APPENDIX A-2: Setup Variables For Serial I/O, Revision C.3
SETUP VARIABLE
NUMERIC
UNITS
DEFAULT
VALUE
VALUE RANGE
DESCRIPTION
RS232_MODE2
—
0
0–65535
RS-232 COM2 mode flags.
(Same settings as RS232_MODE.)
BAUD_RATE2
— 19200
0
300, 1200, 2400,
4800, 9600,
19200, 38400,
57600, 115200
RS-232 COM2 baud rate.
MODEM_INIT2
—
“AT Y0 &D0
&H0 &I0
S0=2 &B0
&N6 &M0
E0 Q1
&W0”
0
Any character in
the allowed
character set. Up
to 100 characters
long.
RS-232 COM2 modem initialization
string. Sent verbatim plus carriage return
to modem on power up or manually.
RS232_PASS
Password
940331
0–999999
RS-232 log on password.
MACHINE_ID
ID 400
0–9999
(Hessen:
0–999)
Unique ID number for instrument.
COMMAND_PROMPT
— “Cmd>
”
0
Any character in
the allowed
character set. Up
to 100 characters
long.
RS-232 interface command prompt.
Displayed only if enabled with
RS232_MODE
variable.
TEST_CHAN_ID
— NONE
0
NONE,
PHOTO MEAS,
PHOTO REF,
O3 GEN REF,
SAMPLE
PRESSURE,
SAMPLE FLOW,
SAMPLE TEMP,
PHOTO LAMP
TEMP,
O3 SCRUB TEMP,
O3 LAMP TEMP,
CHASSIS TEMP
Diagnostic analog output ID.
REMOTE_CAL_MODE
— LOW
0
LOW,
HIGH
Range to calibrate during contact closure
or Hessen calibration.
PASS_ENABLE
—
OFF
OFF, ON
ON enables passwords.
OFF disables them.
PHOTO_LAMP_POWER
mV
4500
0–5000
Photometer lamp power setting.
LAMP_PWR_ENABLE
—
OFF
OFF, ON
ON enables photometer lamp power
cycling.
OFF disables it.
LAMP_PWR_PERIOD
Hours
24
0.01–1000
Photometer lamp power cycling period.
LAMP_OFF_DELAY
Seconds
0.1
0.02–5
Length of time photometer lamp is
turned off.
DET_VALID_DELAY
Seconds
20
1–300
Delay until valid concentration is
computed.
REF_SDEV_LIMIT
mV
3
0.1–100
Photometer reference standard deviation
must be below this limit to switch out of
startup mode.
PHOTO_CYCLE
Seconds
5
0.5–30
Photometer lamp temperature control
cycle period.
PHOTO_PROP
—
0.5
0–10
Photometer lamp temperature PID
proportional coefficient.
PHOTO_INTEG
—
0.1
0–10
Photometer lamp temperature PID
integral coefficient.
PHOTO_DERIV
—
0
0–10
Photometer lamp temperature PID
derivative coefficient.
0
4402
Rev C.3
11
Содержание 400E
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