Electronic Temperature Monitor
E C N - 2 7 6 4 4
2 2
J u l y 7 , 2 0 1 0
Modbus
Reg. No.
Data Returned when Register
Is addressed
Comments
40008
Diagnostic Status
bit 0
bit 1
bit 2
bit 3
bit 4
“1” = some other bit is “1”
“1” = Failed A/D Converter
“1” = Failed Terminal Block Temperature Sensor
“1” = Failed EEROM
“1” = Failed Display Driver
40009
Phase Status
bit 0
NOTE: Since all sensors are normally
bit 1
enabled, this register will normally
bit 2
be 0000h
bit 3
bit 4
bit 5
bit 6
bit 7
“1” = some other bit is “1”
“1” = Left phase disabled
“1” = Center phase disabled
“1” = Right phase disabled
“1” = Left phase has Failed Sensor
“1” = Center phase has Failed Sensor
“1” = Right phase has Failed Sensor
“1” = Fan exerciser is disabled
40010
40011
40012
40013
40014
40015
40016
40017
40018
40019
Fan setpoint
Alarm setpoint
Trip setpoint
Fan Switching differential (hysteresis)
Alarm Switching differential (hysteresis)
Trip Switching differential (hysteresis)
Fan Exerciser interval
Fan Exerciser run time
Time since last Fan Exercise
Firmware Version
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Setpoint and Switching differential are 8bit data in
the low order byte
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1 to 720 hours (up to 30 Days)
1 to 120 minutes
1 to 720 hours (up to 30 Days)
48188
Device I.D.
15060d (15060 – 15069 reserved for ETM)
Data sent to addressed Register
40050
40051
40052
40053
Set Manual Fan Function ON/OFF
Reset Max stored temperature
Reset Unit
Buzzer Control
0001 turns Fan ON, 0000 sets Fan to AUTO
0001 sets max temp stored to current max temp.
0001 resets the unit
0001 turns ON Buzzer, 0000 turns Buzzer OFF
