Oldham iTrans 2, Installation And Operation Manual

Page: 58 / 106

58
Addr
Inst
R/W Host
R/W
Range Description
$0063
40119 R R/W
MSB=$00 to
$18, LSB=$00 to
$3C
RTC Hours and Minutes
Holds the hours and minutes to which the
RTC should be set. The most significant
byte (MSB) represents the hour from $00
to $18 (00-24). The least significant byte
(LSB) represents the minutes from $00 to
$3C (00 to 60). Note that the seconds
default to zero ($00) each time the hours
and minutes are set.
Examples:
13:05
= $0D05
24:00 = $1800
40124 R R/W $0000 to $FFFF
Low Alarm Display Setting
Holds the value of the gas reading at
which the low alarm display will activate.
40125 R R/W $0000 to $FFFF
High Alarm Display Setting
Holds the value of the gas reading at
which the high alarm display will activate.
40126 R R/W $0000 to $03E8
Cal Gas Value
Holds the value of the calibration gas to
be used on the instrument. The range is
from $0000 to $03E8 (0 to 1000
10
).
40127 R/W R $0000 to $FFFF
Loop High Scaling
Holds a value which indicates the gas
reading represented by a 20 mA loop
output signal. The range is from $0000 to
$FFFF.
440102 R R $0000 to $FFFF
WX Scaled Reading
Use with WX series controller.
Table 6-2 ModBus Registers
NOTE: To get the ModBus reading, register 40103 must be read as well as
register 40102. Register 40103 specifies where the decimal should be
placed.