Qualitrol 118 Series Instruction Manual page 23

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