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Logistics and Cold Chain

In the cold chain the real risk is not the bill, it is the stoppage. When cooling stops, stock is lost within hours, and whether a generator will actually start is known on the day it is tested, not the day it is needed.

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Continuity

When the profile breaks, something happened

The daily load curve of a cold store is remarkably regular. Cooling packs cycle to a rhythm, door openings cluster at known hours, and the overnight base load barely moves.

That regularity is monitoring’s strongest asset. Overlay the profiles and the one day that diverges is visible at a glance. Divergence is a fault, a door, or a change in operations.

  • Daily profiles drawn on one axis
  • Overnight base load tracked separately
  • The diverging day is flagged automatically

A rising base load usually means the cooling pack is cycling more often. The cause may be a failing door seal or a fouled condenser, and both appear in the profile long before they appear on a bill.

Daily Profiles

7 days overlaid
Schematic: overlapping profiles mean a steady operation. The day that diverges is the one to look at.

Standby power

A generator is trustworthy on the day it is tested

Whether backup power works is only truly known during a real outage, and finding out then is too late. That is why generators are tested on a schedule and every test is recorded.

The panel tracks fuel level continuously and marks tests and refills on the same axis. A warning goes out when the level drops below the refill threshold, and a reminder appears when the gap between tests grows.

  • Fuel level and remaining runtime
  • Test and refill records on one axis
  • Battery, heater and transfer switch status

Remaining capacity is written in hours, not litres. What a site manager needs is not “820 litres in the tank” but “eleven hours at full load”.

Generator Fuel

continuous measurement
refill threshold 50%

41%

Eleven hours at full load; a refill warning goes out below the threshold.

  • last refill · 12 Aug
  • test · 18 Aug
820L
kalan
11h
tam yükte
Schematic: level is measured continuously, with refills and tests marked on the same axis.

Continuity

A whole year in one frame

In the cold chain, continuity is proven by an unbroken record rather than a sentence. “We had five events last year” is a line in a table; the real information is where in the year those events sat and how long the quiet stretches between them ran.

The panel records every day. Seen as a whole year in one frame, the seasonal rhythm, the weekend dips and the clustering of events are read together.

  • Daily cooling load across the full year
  • Faults, services and tests marked separately
  • The same record serves audits and customer reports

Where events cluster is not a coincidence: a fault at the summer peak usually arrives alongside a delayed service. This frame tells you when to bring the maintenance calendar forward.

The Year on Record

365 days · cooling load
JFMAMJJASOND PtÇCP gün 1 gün 2 gün 3 gün 4 gün 5 gün 6 gün 7 gün 8 gün 9 gün 10 gün 11 gün 12 gün 13 gün 14 gün 15 gün 16 gün 17 gün 18 gün 19 gün 20 gün 21 gün 22 gün 23 gün 24 gün 25 gün 26 gün 27 gün 28 gün 29 gün 30 gün 31 gün 32 gün 33 gün 34 gün 35 gün 36 gün 37 gün 38 gün 39 gün 40 gün 41 10 February · condenser clean gün 43 gün 44 gün 45 gün 46 gün 47 gün 48 gün 49 gün 50 gün 51 gün 52 gün 53 gün 54 gün 55 gün 56 gün 57 gün 58 gün 59 gün 60 gün 61 gün 62 gün 63 gün 64 gün 65 gün 66 gün 67 gün 68 gün 69 gün 70 gün 71 gün 72 gün 73 gün 74 gün 75 gün 76 gün 77 gün 78 gün 79 gün 80 gün 81 gün 82 gün 83 gün 84 gün 85 gün 86 gün 87 gün 88 gün 89 gün 90 gün 91 gün 92 gün 93 gün 94 gün 95 gün 96 gün 97 gün 98 gün 99 gün 100 gün 101 gün 102 gün 103 gün 104 gün 105 gün 106 gün 107 gün 108 gün 109 gün 110 gün 111 gün 112 gün 113 gün 114 gün 115 gün 116 gün 117 gün 118 28 April · generator load test gün 120 gün 121 gün 122 gün 123 gün 124 gün 125 gün 126 gün 127 gün 128 gün 129 gün 130 gün 131 gün 132 gün 133 gün 134 gün 135 gün 136 gün 137 gün 138 gün 139 gün 140 gün 141 gün 142 gün 143 gün 144 gün 145 gün 146 gün 147 gün 148 gün 149 gün 150 gün 151 gün 152 gün 153 gün 154 gün 155 gün 156 gün 157 gün 158 gün 159 gün 160 gün 161 gün 162 gün 163 gün 164 gün 165 gün 166 gün 167 gün 168 gün 169 gün 170 gün 171 gün 172 gün 173 gün 174 gün 175 gün 176 gün 177 gün 178 gün 179 gün 180 gün 181 gün 182 gün 183 gün 184 gün 185 gün 186 gün 187 gün 188 gün 189 gün 190 gün 191 gün 192 gün 193 gün 194 gün 195 gün 196 15 July · cooling pack fault gün 198 gün 199 gün 200 gün 201 gün 202 gün 203 gün 204 gün 205 gün 206 gün 207 gün 208 gün 209 gün 210 gün 211 gün 212 gün 213 gün 214 gün 215 gün 216 gün 217 gün 218 gün 219 gün 220 gün 221 gün 222 gün 223 gün 224 12 August · grid outage gün 226 gün 227 gün 228 gün 229 gün 230 gün 231 gün 232 gün 233 gün 234 gün 235 gün 236 gün 237 gün 238 gün 239 gün 240 gün 241 gün 242 gün 243 gün 244 gün 245 gün 246 gün 247 gün 248 gün 249 gün 250 gün 251 gün 252 gün 253 gün 254 gün 255 gün 256 gün 257 gün 258 gün 259 gün 260 gün 261 gün 262 gün 263 gün 264 gün 265 gün 266 gün 267 gün 268 gün 269 gün 270 gün 271 gün 272 gün 273 gün 274 gün 275 gün 276 gün 277 gün 278 gün 279 gün 280 gün 281 gün 282 gün 283 gün 284 gün 285 gün 286 gün 287 gün 288 15 October · annual service gün 290 gün 291 gün 292 gün 293 gün 294 gün 295 gün 296 gün 297 gün 298 gün 299 gün 300 gün 301 gün 302 gün 303 gün 304 gün 305 gün 306 gün 307 gün 308 gün 309 gün 310 gün 311 gün 312 gün 313 gün 314 gün 315 gün 316 gün 317 gün 318 gün 319 gün 320 gün 321 gün 322 gün 323 gün 324 gün 325 gün 326 gün 327 gün 328 gün 329 gün 330 gün 331 gün 332 gün 333 gün 334 gün 335 gün 336 gün 337 gün 338 gün 339 gün 340 gün 341 gün 342 gün 343 gün 344 gün 345 gün 346 gün 347 gün 348 gün 349 gün 350 gün 351 gün 352 gün 353 gün 354 gün 355 gün 356 gün 357 gün 358 gün 359 gün 360 gün 361 gün 362 gün 363 gün 364 gün 365

low load high load 5 işaretli gün

Schematic: each square is a day. Coloured squares are faults, services and tests; the quiet stretches between them are continuity itself.

Control

Charging, lighting and offices move onto a calendar

In a warehouse most loads other than refrigeration can be scheduled: forklift charging points, warehouse and yard lighting, office HVAC, dock heaters.

The remote control module ties those points to the shift calendar and to hourly prices. Charging shifts to the night tariff, yard lighting follows sunset, offices come on with the shift.

  • Charging points scheduled against hourly prices
  • Yard lighting on the solar calendar
  • Refrigeration packs stay out of control, view-only

The cold chain is deliberately outside the control scope. The panel sends no commands to refrigeration packs; their job is to be watched and, when needed, to raise an alarm.

Assistant

You can ask the assistant about the bill too

The most disputed lines on a warehouse bill are capacity overruns and reactive charges. Both result from momentary behaviour, which makes the cause hard to recall once the bill arrives.

The AI assistant makes that connection: it matches the bill line to the measurement record and tells you which day and which half hour produced it.

  • Bill lines matched to the measurement record
  • The hour and the cause arrive together
  • The dispute file comes from the same record

The same assistant works on the cooling side, reading profile breaks, base load creep and alarm history together to say which event actually needs attention.

Assistant

from the measurement record

  1. Where did this month’s capacity charge come from?

  2. Enver

    From a single day: 14 August, 06:15 to 06:45. Average demand in that half hour was 812 kW against a contracted 750 kW. Three loads coincided: refrigeration packs at full load during morning pull-down, forklift charging points that had not left the night schedule, and dock doors opening at shift start. Moving the charging schedule half an hour earlier would have broken the peak, and that rule can be defined on the remote control side.

    • half-hourly demand record
    • control point records
    • capacity line on the bill
Schematic: the assistant ties a bill line to the measurement record and says where the fix belongs.

Which modules work in a warehouse

Module What it does here
Chillers and Cooling Cooling pack efficiency, condenser and tower tracking
Standby Power Fuel, test records, readiness status, monthly report
Energy Consumption Area breakdown, base load, charging station load
Power Quality Voltage dips and outage records
Bill Validation Capacity and reactive line checks
Remote Control Charging, lighting and office schedules; capacity rules
AI Assistant Tying bill lines to measurement, event summaries

When an alert is worth having

In the cold chain an alert earns its value through speed, but a noisy alerting system does more harm than a slow one: within a week nobody looks any more.

That is why thresholds are not single numbers. Dead bands and hysteresis are applied, repeats of the same event are grouped into one notification, and alerts are suppressed during planned shutdowns. The aim is not to report every deviation but to report the one that needs a response, in the first minute.

Let us measure what is happening on your site.

In a one-hour call we look at your existing setup and set out exactly which measurement points are needed and what you would be able to see.

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