Technical information

10 – APPENDIX
151
Appendix D – Modbus Register Map
Following is the Modbus Register Map. Note that all information may be accessed either through the Input registers (30000
addresses) or through the Holding registers (40000 addresses).
Modbus Registers
Absolute Register
Address
Description R/W Range Units
30020/40020 Starter Control R/W Bit 0: Run/Stop
Bit 1: Fault Reset
Bit 2: Emergency Overload Reset
Bit 3: Local/Remote
Bit 4: Heat Disable
Bit 5: Ramp Select
Bit 13: Relay 3
Bit 14: Relay 2
Bit 15: Relay 1
-
30021/40021 Starter Status R Bit 0: Ready
Bit 1: Running
Bit 2: UTS
Bit 3: Alarm
Bit 4: Fault
Bit 5: Lockout
-
30022/40022 Input Status R Bit 0: Start
Bit 1: DI 1
Bit 2: DI 2
Bit 3: DI 3
-
30023/40023 Alarm Status 1 R Bit 0: “A OL” – Motor overload
Bit 1: “A 10” – Phase rotation not ABC
Bit 2: “A 11” – Phase rotation not CBA
Bit 3: “A 12” – Low Line Frequency
Bit 4: “A 13” – High Line Frequency
Bit 5: “A 14” – Phase rotation not SPH
Bit 6: “A 15” – Phase rotation not 3 Phase
Bit 7: “A 21” – Low line L1-L2
Bit 8: “A 22” – Low line L2-L3
Bit 9: “A 23” – Low line L3-L1
Bit 10: “A 24” – High line L1-L2
Bit 11: “A 25” – High line L2-L3
Bit 12: “A 26” – High line L3-L1
Bit 13: “A 27” – Phase loss
Bit 14: “noL” – No line
Bit 15: Reserved
-
30024/40024 Alarm Status 2 R Bit 0: “A 31” – Overcurrent
Bit 1: “A 34” – Undercurrent
Bit 2: Reserved
Bit 3: Reserved
Bit 4: “A 37” – Current imbalance
Bit 5: “A 38” – Ground fault
Bit 6: “A 47” – Stack overload
Bit 7: Reserved
Bit 8: “A 71” – Analog Input Trip
Bit 9: Reserved
-
30025/40025 Lockout Status R Bit 0: “L OL” – Motor overload
Bit 1: “L Ot” – Stack overload
Bit 2: “L CP” – Control power
-
30026/40026 Present Fault Code R See Appendix B for list of codes
30027/40027 Average Current R Arms
30028/40028 L1 Current R Arms
30029/40029 L2 Current R Arms
30030/40030 L3 Current R Arms
30031/40031 Current Imbalance R 0.1 %