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Appendix A—Description of parameters
VARIABLE SPEED DRIVE SERIES III LIT-12012999—June 2018 www.johnsoncontrols.com
Code Modbus ID Parameter Application RO/RW
M2.9 557 RO1, RO2, RO3 1,2,3 RO
Relay output status for RO1, RO2 and RO3. IO Terminals 27 through 34.
M3.1 27 PT100 Temperture 1,2,3 RO
Maximum PT100 thermistor temperature value in ºC.
M4.1 2120 Energy Savings 1,2,3 RO
Displays the Energy savings of the drive comparted to an across the line starter based off the defined
motor name plate values.
M5.1 2209 Control Board DIDO Status 1,2,3 RO
Control Board DIDO Status provides the status of inputs and outputs on the control board. It is looking
at DIN1 - Terminal 20, DIN2 - Terminal 21, DIN3 - Terminal 22, DIN4 - Terminal 23, DIN5 - Terminal 7,
DIN6 - Terminal 8, DIN7 - Terminal 9, DIN8 - Terminal 10, DO1 - Terminal 14, RO1 - Terminal 28-29, RO2
- Terminal 32-34, RO3 - Terminal 27 and 31. Along with the onboard I/O being monitored it also provides
status info if there are boards in the A or B expander Board slots.
Bit 0 = DIN1 Status
Bit 1 = DIN2 Status
Bit 2 = DIN3 Status
Bit 3 = DIN4 Status
Bit 4 = DIN5 Status
Bit 5 = DIN6 Status
Bit 6 = DIN7 Status
Bit 7 = DIN8 Status
Bit 8 = DO1 Status
Bit 9 = RO1 Status
Bit 10 = RO2 Status
Bit 11 = RO3 Status
Bit 12 = Slot A with Board
Bit 13 = Slot B with Board
Bit 14 -15 = Not used
M5.2 2210 SlotA DIDO Status 1,2,3 RO
SlotA DIDO Status will give the input and output status of a board inserted in the A expander board slot.
Depending on the board inserted different bits will become active if the I/O is enabled.
Bit 0 = IO1_DIN1 Status
Bit 1 = IO1_DIN2 Status
Bit 2 = IO1_DIN3 Status
Bit 3 = IO1_DO1 Status
Bit 4 = IO1_DO2 Status
Bit 5 = IO1_DO3 Status
Bite 6 = IO3_RO1 Status
Bit 7 = IO3_RO2 Status
Bit 8 = IO3_RO3 Status
Bit 9 = IO5_AC1 Status
Bit 10 = IO5_AC2 Status
Bit 11 = IO5_AC3 Status
Bit 12 = IO5_AC4 Status
Bit 13 = IO5_AC5 Status
Bit 14 = IO5_AC6 Status
Bit 15 = Not Used
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