Qualitrol OTIWTI AKM345 GEN3, Instruction Manual

Page: 5 / 34

QUALITROL AKM345 GEN3 OTIWTI
TM
Instruction Manual
40-08847-00-Rev001
www.qualitrolcorp.com
Page 5 of 34
5.3.4 Power ............................................................................................................................................... 20
5.3.5 Remote Output ................................................................................................................................ 21
5.3.6 Modbus ............................................................................................................................................ 22
6. Switch Setting .................................................................................................................................................. 23
6.1 Switch Setpoint Adjustment .................................................................................................................... 23
6.2 Adjustable Differential (option) ............................................................................................................... 24
7. Winding Temperature Simulation ................................................................................................................... 25
7.1 Adjusting the Internal Matching Resistance – TD50 & TD76 ................................................................... 26
7.2 Using the Internal 5 Amp CT Option – TD50(5AMP)................................................................................ 27
7.2.1 Background ...................................................................................................................................... 27
7.2.2 Setting the Matching Resistance ..................................................................................................... 27
7.3 Dual Gradient (option) – TD50(X2) & TD76(X2) ....................................................................................... 29
7.3.1 Background ...................................................................................................................................... 29
7.3.2 Wiring Recommendations ............................................................................................................... 29
7.4 External Matching Units .......................................................................................................................... 30
8. MODBUS Communications (option) ................................................................................................................ 31
8.1 MODBUS Default Configurations ............................................................................................................. 31
8.2 Event Reporting Over MODBUS ............................................................................................................... 31
8.3 MODBUS Register Map ............................................................................................................................ 31
8.3.1 MODBUS Registers ........................................................................................................................... 31
8.3.2 Input Registers ................................................................................................................................. 32
8.3.3 Discrete Inputs ................................................................................................................................. 32
8.3.4 Holding Registers ............................................................................................................................. 33
8.3.5 MODBUS Notes ................................................................................................................................ 34
9. Troubleshooting ............................................................................................................................................... 34
9.1 Matching Resistance ................................................................................................................................ 34
9.2 Remote Outputs ....................................................................................................................................... 34