Addressable Modbus Registers
You can use Modbus to access information about the SMART System's status and its bat activity alarms. You can also alter some parameters of bat activity alarms using Modbus messages.
| Function Code (decimal) | Address (decimal) |
Description (where M is a digit 1-8 for Alarm M) and X is any digit 0-9. |
Unit |
|---|---|---|---|
| 2 | 1 0000M | Alarm M bat pass alarm (1 = alarm present, 0 = no alarm) | |
| 2 | 1 0001M | Alarm M bat pulse alarm (1 = alarm present, 0 = no alarm) | |
| 2 | 1 0002X | Reserved for customization | |
| 3/6/16 | 4 000M1 | Pass Alarm M number of rolling seconds for bat pass alarm period | |
| 3/6/16 | 4 000M2 | Pass Alarm M minimum number of bat passes per period to set alarm (high water) | |
| 3/6/16 | 4 000M3 | Pass Alarm M maximum number of bat passes per period to clear alarm (low water) | |
| 3/6/16 | 4 000M4 | Pulse Alarm M number of rolling seconds for bat pulse alarm period | |
| 3/6/16 | 4 000M5 | Pulse Alarm M minimum number of bat pulses per period to set alarm (high water) | |
| 3/6/16 | 4 000M6 | Pulse Alarm M maximum number of bat pulses per period to clear alarm (low water) | |
| 3/6/16 | 4 0009X | Reserved for customization | |
| 4 | 3 00001 | Disk utilization (0-100%) | % |
| 4 | 3 00002 | Memory utilization (0-100%) | % |
| 4 | 3 00003 | CPU utilization (0-100%) | % |
| 4 | 3 00004 | Voltage | 0.1 V |
| 4 | 3 000M1 | Pass Alarm M bat pass event counter (modulo 65536) | |
| 4 | 3 000M2 | Pass Alarm M bat pass events per period | |
| 4 | 3 000M3 | Pass Alarm M seconds since most recent pass event (up to 65535) | s |
| 4 | 3 000M4 | Pass Alarm M bat pass alarm counter (modulo 65536) | |
| 4 | 3 000M5 | Pulse Alarm M bat pulse event counter (modulo 65536) | |
| 4 | 3 000M6 | Pulse Alarm M bat pulses per period | |
| 4 | 3 000M7 | Pulse Alarm M seconds since most recent pulse event (up to 65535) | s |
| 4 | 3 000M8 | Pulse Alarm M bat pulse alarm counter (modulo 65536) | |
| 4 | 3 00M01 | Pass Alarm M most recent value N (number of pulses in pass) | |
| 4 | 3 00M02 | Pass Alarm M most recent value Fc (characteristic frequency) | 10 Hz |
| 4 | 3 00M03 | Pass Alarm M most recent value Sc (characteristic slope) | octaves per second (OPS) |
| 4 | 3 00M04 | Pass Alarm M most recent value Fmax (maximum frequency) | 10 Hz |
| 4 | 3 00M05 | Pass Alarm M most recent value Fmin (minimum frequency) | 10 Hz |
| 4 | 3 00M06 | Pass Alarm M most recent value Fmean (mean frequency) | 10 Hz |
| 4 | 3 00M07 | Pass Alarm M most recent value TBC (time between calls) | 0.1 ms |
| 4 | 3 00M08 | Pass Alarm Mmost recent value Fk (frequency of knee) | 0.1 ms |
| 4 | 3 00M09 | Pass Alarm M most recent value Tk (time of knee) | 0.1 ms |
| 4 | 3 00M10 | Pass Alarm M most recent value S1 (initial slope) | OPS |
| 4 | 3 00M11 | Pass Alarm M most recent value Tc (time of characteristic) | 0.1 ms |
| 4 | 3 00M12 | Pass Alarm M most recent value Dur (pulse duration) | 0.1 ms |
| 4 | 3 009XX | Reserved for customization |