Appendix A: MODBUS Address
Register address Operations
Operation for monitoring
0x280
R
0x281
R
0x282
R
0x283
R
0x288
R
0x289
R
0x28A
R
0x28B
R
0x290
R
0x291
R
0x292
R
0x293
R
0x258
R
0x259
R
0x25A
R
0x25B
R
Operation for controlling
0x300
R / W
0x301
R / W
0x302
R / W
0x303
R / W
0x310
R / W
0x311
R / W
0x312
R / W
0x313
R / W
0x272
R / W
0x273
R / W
0x27F
W
78
Description
CH1 Instantaneous Temperature [°C]
CH2 Instantaneous Temperature [°C]
CH3 Instantaneous Temperature [°C]
CH4 Instantaneous Temperature [°C]
CH1 Maximum Temperature [°C]
CH2 Maximum Temperature [°C]
CH3 Maximum Temperature [°C]
CH4 Maximum Temperature [°C]
CH1 Diagnostic
CH2 Diagnostic
CH3 Diagnostic
CH4 Diagnostic
CH1 Instantaneous Temperature &
Diagnostic [°C]
CH2 Instantaneous Temperature &
Diagnostic [°C]
CH3 Instantaneous Temperature &
Diagnostic [°C]
CH4 Instantaneous Temperature &
Diagnostic [°C]
CH1 Alarm Setting [°C]
CH2 Alarm Setting [°C]
CH3 Alarm Setting [°C]
CH4 Alarm Setting [°C]
CH1 Trip Setting [°C]
CH2 Trip Setting [°C]
CH3 Trip Setting [°C]
CH4 Trip Setting [°C]
Fan OFF Temperature Setting [°C]
Fan ON Temperature Setting [°C]
Reset Maximum Temperature
TEMPERATURE MONITORING UNIT DTI AND EDTI
Notes
0x0000 Input is right
connected
0x0001 Input is shorted
0x0002 Input is open
0x0003 Input is failure
0x0000 Inputis shorted
0x0001 Input is open
Real Value= Read Value (dec) - 25
Write 0xA55A to reset
Unsigned int