SunSaver MODBUS Specifications

T_rts
[17][0x0010] (C). RTS Temperature.
Temperature as measured by the optional Remote Temperature Sensor(RTS). Reported in degrees C.
Charge_state
[18][0x0011] ( ).
Reports the charge state.
Value Charge State
0 START
1 NIGHT_CHECK
2 DISCONNECT
3 NIGHT
4 FAULT
5 BULK_CHARGE
6 ABSORPTION
7 FLOAT
8 EQUALIZE
Array_fault
[19][0x0012] (bit-field). Solar input self-diagnostic faults.
Reports faults identified by self diagnostics. Each bit corresponds to a specific fault.
Array Faults Table
Bit Fault
0 overcurrent
1 FETs shorted
2 software bug
3 battery HVD
4 array HVD
5 EEPROM setting edit (reset required)
6 RTS shorted
7 RTS was valid, now disconnected
8 local temp. sensor failed
9 Fault 10
10 Fault 11
11 Fault 12
12 Fault 13
13 Fault 14
14 Fault 15
15 Fault 16
Vb_f
[20][0x0013] (V). battery voltage, slow filtered.
Voltage measured directly at the battery connection on the SunSaver MPPT.