TriStar MPPT MODBUS Document

TriStar MPPT MODBUS Document v10
http://www.morningstarcorp.com 12/26 05 Dec 2011
alarm_HI / alarm_LO
[47, 48][0x002E, 0x002F] (bitfield).Controller self-diagnostics alarms.
Reports alarms identified by self diagnostics. Each bit corresponds to a specific alarm.
Alarms Table
Bit
Alarm
0
RTS open
1
RTS shorted
2
RTS disconnected
3
Heatsink temp sensor open
4
Heatsink temp sensor shorted
5
High temperature current limit
6
Current limit
7
Current offset
8
Battery sense out of range
9
Battery sense disconnected
10
Uncalibrated
11
RTS miswire
12
High voltage disconnect
13
Undefined
14
system miswire
15
MOSFET open
16
P12 voltage off
17
High input voltage current limit
18
ADC input max
19
Controller was reset
20
Alarm 21
21
Alarm 22
22
Alarm 23
23
Alarm 24
dip_switch
[49][0x0030] (bit-field). setttings switch positions.
Each bit in the bit-field corresponds to an individual DIP switch setting. Useful for remote applications
where access to the TriStar MPPT to verify DIP positions is not feasible. Bit 0 (LSB) corresponds to
settings switch 1.
LED_state
[50][0x0031] ( ).
Reports the LED state.