User guide

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Table 7 – ModBus Option Parameters (Floating Point Values)
Reg Description Read/Write Notes
8000 FREEZESTATTEMPERATUREREADING(°C) R ErrorHi=9.9E05,ErrorLow=‐9.9E05
8002 SUPPLYWATERTEMPERATURE(°C) R ErrorHi=9.9E05,ErrorLow=‐9.9E05
8004 RETURNWATERTEMPERATURE(°C) R ErrorHi=9.9E05,ErrorLow=‐9.9E05
8006 N/A R ErrorHi=9.9E05,ErrorLow=‐9.9E05
8008 N/A R
8010 LOWDEVIATION(°C) R/W
8012 HIDEVIATION(°C) R/W
8014 LOWSETPOINTLIMIT(°C) R
8016 HISETPOINTLIMIT(°C) R
8018 REXMITRANGELOW(°C) R
8020 REXMITRANGEHI(°C) R
8022 LOWSAFETYTEMPUSER(°C) R/W
8024 HISAFETYTEMPUSER(°C) R/W
8026 PROPORTIONALBAND(°C) R/W
8028 NOTUSED X
8030 ZEROCALCHAN0 R
8032 ZEROCALCHAN1 R
8034 ZEROCALCHAN2 R
8036 ZEROCALCHAN3 R
8038 SPANCALCHAN0 R
8040 SPANCALCHAN1 R
8042 SPANCALCHAN2 R
8044 SPANCALCHAN3 R
8046 NOTUSED X
8048 NOTUSED X
8050 NOTUSED X
8052 PUMPRUNHOURS R
8054 SETPOINT(°C) R/W
8056 LOWSAFETYTEMPFACTORY(°C) R
8058 HISAFETYTEMPFACTORY(°C) R
8060 NEGCOMP1SPREAD(°C) R
8062 NEGCOMP2SPREAD(°C) R
8064 POSCOMP1SPREAD(°C) R
8066 POSCOMP2SPREAD(°C) R
8068 FREEZESTATLIMIT(°C) R
8070 SUPPLYTEMPINPUTOFFSE
T
 R
8072 RETURNTEMPINPUTOFFSE
T
 R
8074 REMOTESPINPUTOFFSET R
8076 FLOWINPUTOFFSE
T
 R
8078 FREEZESTATINPUTOFFSET R
Note:Alltemperaturesarein°Cregardlessofunitdisplayconfiguration.
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