5
. Internal Memory
5.2. I/O area of TC module conversion data
68
Isolated Thermocouple Input Module TC4S User's Guide
R200
Honeywell
September 2010
%UXa.b.36~39
_ab_CH1_PALL,
_ab_CH1_PAL,
_ab_CH1_PAH,
_ab_CH2_PAHH
CH 1 process output flag indicates
H.H/H/L/L.L alarms.
%UXa.b.40~43
_ab_CH2_PALL,
_ab_CH2_PAL,
_ab_CH2_PAH,
_ab_CH2_PAHH
CH 2 process output flag indicates
H.H/H/L/L.L alarms.
%UXa.b.44~47
_ab_CH3_PALL,
_ab_CH3_PAL,
_ab_CH3_PAH,
_ab_CH3_PAHH
CH 3 process output flag indicates
H.H/H/L/L.L alarms.
ATTENTION
Bit information in the area is cleared if a channel stops.
Rate-change-alarm flag
%UXa.b.48~49
_ab_CH0_RAL
_ab_CH0_RAH
Indicates CH0 Rate-Change-Alarm
Lower Limit Flag.
Indicates CH0 Rate-Change-Alarm
Upper Limit Flag.
%UXa.b.52~53
_ab_CH1_RAL
_ab_CH1_RAH
Indicates CH1 Rate-Change-Alarm
Lower Limit Flag.
Indicates CH1 Rate-Change-Alarm
Upper Limit Flag.
%UXa.b.56~57
_ab_CH2_RAL
_ab_CH2_RAH
Indicates CH2 Rate-Change-Alarm
Lower Limit Flag.
Indicates CH2 Rate-Change-Alarm
Upper Limit Flag.