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Device Data & Acronyms

OvApp groups device telemetry and configuration into five sections:

  • att – Attributes
  • cmd – Commands
  • sts – Status
  • dta – Data
  • dia – Diagnostics

This page explains the meaning of the acronyms used in each section.

att – Attributes

Static or semi-static identifiers and firmware info.

  • opid – OEM Device ID
    Factory-set unique identifier for the physical device.

  • ppid – PAYG Device ID
    Device ID used by the PAYG system. Factory set, but field overrides may be possible.

  • flid – Fleet ID
    Identifier for the fleet or group the device belongs to. Factory set with optional field override.

  • ccid – Cellular SIM Card ID (ICCID)
    Unique identifier of the SIM card used for cellular connectivity.

  • frmv – Firmware Version
    Current firmware version running on the device.

cmd – Commands

Configuration parameters and last command/control values.

  • pubk – Public Key / Last Code
    Stores the current public key or the last accepted PAYG code.

  • gstw – GPRS Sleep Time Window (minutes)
    Controls how long the device remains in low-power/sleep mode between GPRS sessions.

  • gctw – GPRS Connect Time Window (minutes)
    Defines the length of a GPRS connection window when the device attempts to connect.

  • napn – GPRS Carrier APN Name
    The APN used by the device to connect to the cellular network.

  • swch – Generic Device Switch
    Logical switch for turning certain features or outputs on/off.

  • read – Last Read Request
    Records the last read request for any GATT data, e.g. read = [opid|...|].

  • rptm – Report Mode
    Sets how data is reported:
    0 = Auto-Periodic
    1 = Request-Response
    2 = Change-Notification
    (Values 3, 4 reserved or deployment-specific.)

  • raml – Reserved AML
    Reserved list/field; specific meaning depends on firmware.

  • hbfq – Heart Beat Interval (minutes)
    Interval at which the device sends heartbeat/status messages.

sts – Status

Current state, PAYG info, and basic GPS/network metrics.

  • sstc – System Status Code
    Encodes the current high-level system state.

  • crtm – Created Time
    Timestamp when this record/status snapshot was created.

  • udtm – Updated Time
    Timestamp for the last update to this status.

  • time – Device Internal Time
    Device’s internal clock at the last communication.

  • plat – GPS Latitude

  • plon – GPS Longitude

  • gpss – GPS Signal Strength (dB)

  • gpfc – GPRS Connect Failure Counts
    Number of recent failed attempts to connect via GPRS.

  • rcrd – Remaining Credit Days
    PAYG remaining days.

  • trhd – Total Running History Days
    Total days the device has been operational (historical).

  • tpgd – PAYG Running Days
    Total days under PAYG mode.

  • pgst – PAYG State
    PAYG or FREE, indicating whether PAYG restrictions apply.

  • tkre – Token Response
    Indicates token status from the device’s view: NEW, REPEAT, or ERROR.

  • ocst – Device Output State
    Current state of device outputs (on/off, limited, etc.).

dta – Data

Live operational data: power, energy, battery, satellite, etc.

  • batp – Battery Net Charging Power (W)
  • inpp – Total Input Power (W)

  • outp – Output Power (W)

  • aeng – Accumulated Energy Output (Wh)

  • pckv – Pack Voltage (mV)

  • pckc – Pack Current (mA)

  • rsoc – Relative State of Charge (%)

  • rcap – Remaining Capacity (Wh)

  • fccp – Full Charge Capacity (Wh)

  • pckt – Pack Temperature (°C)

  • acyc – Accumulated Cycles

  • slon – Satellite Longitude (deg)

  • slat – Satellite Latitude (deg)

  • salt – Satellite Altitude (m)

  • sstm – Satellite-Synchronized Network Time (ISO 8601)

  • sgps – Satellite GPS Signal Strength

  • sspe – Satellite Speed (km/h)

  • ppst – Pack Protection Status

  • pmcs – Pack MOS Control Status (inferred)
  • cmos – Discharging MOS Status (0 = off, 1 = on)

  • dmos – Charging MOS Status (0 = off, 1 = on)

  • ctmp – Controller Temperature (°C) (inferred)

  • mtpm – Maximum Temperature (inferred)
  • mtrd – Motor Running Distance (inferred)

  • tspd – Total Speed (inferred)

  • rvlt – Rated Voltage (inferred)

  • rcur – Rated Current (inferred; negative may indicate discharge)

  • rmax – Rated Maximum Value (inferred: power/capacity)

  • cmxs – Charge Maximum Voltage Setting (mV, inferred)

  • cmxc – Charge Maximum Current Setting (mA, inferred)

⚠️ Fields marked “inferred” are based on context and may vary with firmware versions.

dia – Diagnostics

Detailed cell-level and temperature diagnostics.

  • cv01 … cv23 – Cell Voltages (mV)
    Voltage of each individual cell in the pack.

  • pkt1 … pkt4 – Pack Temperatures (°C)
    Temperature sensors attached to different pack locations.

  • pkt5 – MOS Temperature (°C)
    Temperature near the MOSFET(s).

  • pkt6 – Environment Temperature (°C)
    Ambient temperature around the device.