860710086587899 stopped
Manual emit — codes: PU · PF · CF:n · SF
Slaves (1)
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| 13 |
+ Add registers — count · name prefix · random value range
Resolution rounds emitted values: 0 = integer, 0.0 = 1dp,
0.00 = 2dp, 0.000 = 3dp, blank = no rounding.
Data packets carry dtm in YYYYMMDDHHMMSS.
+ Add slave
📦 Install a sensor kit
One click adds several sensors as separate slaves — like a real integrated multi-sensor product talking on RS-485.
What's in each kit?
Cold Storage Station
3 slaves
Combined T+RH probe + Door switch + Compressor energy — 3 slaves that together monitor a refrigerated room.
- sensor_temp_humidity — Room T+RH
- sensor_door — Door switch
- sensor_energy_1ph — Compressor energy
Pump House
4 slaves
Flow + Pressure + Tank-level + Pump-energy — the four readings you need for a booster-pump skid.
- sensor_flow — Outflow meter
- sensor_pressure — Discharge pressure
- sensor_level — Tank level
- sensor_energy_1ph — Pump energy
HVAC Room
2 slaves
Combined T+RH probe + AC energy — minimum kit for office / server-room HVAC.
- sensor_temp_humidity — Room T+RH
- sensor_energy_1ph — AC energy
Greenhouse
3 slaves
Combined T+RH probe + Irrigation tank level + Vent — the basics for a horticulture demo.
- sensor_temp_humidity — Air T+RH
- sensor_level — Irrigation tank
- sensor_door — Vent / door
Boiler House
4 slaves
Pressure + Temperature + Flow + Energy — process monitoring around a steam boiler.
- sensor_pressure — Boiler pressure
- sensor_temp — Steam temperature
- sensor_flow — Steam flow
- sensor_energy_1ph — Boiler energy
Live preview + Test Emit — left: what the NEXT tick will send · right: what was ACTUALLY sent last time
packing =
combined
(one packet, all slaves combined)
· HTTP → http://nxtio.com:8080/2b77152a3d4ff61a4e/track
LOGIN — preview (next start)
{
"msg": "login",
"imei": "860710086587899",
"model": "WT-400M",
"cid": "WCT",
"type": "WM-4G XM",
"hwver": "1.1",
"swver": "1.1.1",
"mdbver": "1.0",
"time": "20260906220900",
"sig": 27,
"nw": ""
}
LOGIN — last actually emitted
— no login emitted yet —
DATA — preview (1 packet on next tick)
{
"data": {
"imei": "860710086587899",
"uid": 1,
"dtm": "20260906220900",
"seq": 384045,
"sig": 27,
"msg": "log",
"modbus": [
{
"sid": 5,
"stat": 0,
"rcnt": 13,
"di1": 1,
"di2": 0,
"di3": 1,
"di4": 0,
"output": 1,
"pulse1": 65535,
"pulse2": 65535,
"adi1": 46.48,
"adi2": 56.2,
"s1": 3.28,
"s2": 1.29,
"sysvolt": 12.71,
"systemp": 31.2
}
]
}
}
DATA — last actually emitted
— click Test Emit (modbus) to see —
Live log (latest 80 · click a row to see payload · scroll)
| ts | dir | kind | summary |
|---|