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APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Model 200EH/EM (Ref: 05147F)
A-14
Setup Variable
Numeric
Units
Default Value Value Range Description
I2C_RESET_ENABLE
— ON OFF, ON
I
2
C bus automatic reset enable.
ALARM_TRIGGER
Cycles 10 1–100
Number of valve cycles to trigger
concentration alarm.
CLOCK_FORMAT
—
“TIME=%H:%M:
%S”
Any character in
the allowed
character set. Up
to 100
characters long.
Time-of-day clock format flags.
Enclose value in double quotes (")
when setting from the RS-232
interface.
“%a” = Abbreviated weekday name.
“%b” = Abbreviated month name.
“%d” = Day of month as decimal
number (01 – 31).
“%H” = Hour in 24-hour format (00 –
23).
“%I” = Hour in 12-hour format (01 –
12).
“%j” = Day of year as decimal
number (001 – 366).
“%m” = Month as decimal number
(01 – 12).
“%M” = Minute as decimal number
(00 – 59).
“%p” = A.M./P.M. indicator for 12-
hour clock.
“%S” = Second as decimal number
(00 – 59).
“%w” = Weekday as decimal number
(0 – 6; Sunday is 0).
“%y” = Year without century, as
decimal number (00 – 99).
“%Y” = Year with century, as decimal
number.
“%%” = Percent sign.
FACTORY_OPT
— 0, 512 0–65535
Factory option flags. Add values to
combine flags.
1 = enable dilution factor
2 = display units in concentration field
4 = zero/span valves installed
8 = low span valve installed
16 = IZS and zero/span valves
installed
32 = enable software-controlled
maintenance mode
64 = display temperature in converter
warning message
128 = enable switch-controlled
maintenance mode
256 = enable simultaneous display of
all gas concentrations
512 = enable manifold temperature
control
1024 = enable O2 sensor cell
temperature control (temporarily
removed)
2048 = enable Internet option
04521C (DCN5731)