Product overview and where it fits
The SimtoLink demand-control smart meter is for heavy industry, campus transformers, and charging depots, where demand charges bite. Demand registers and a sliding window work with contracted capacity, time-of-use prices, and a load-control master. Modbus and GPS time sync match the table, so the meter can join an EMS, building controls, or a virtual power plant.
SimtoLink supplies a register map, a master-station script, and alarm templates. Volume orders can include silkscreen, a sealing plan, and the type-test file. The order code follows the nameplate and the Hardware Specification.
Reliability on site
Electrical safety and EMC follow the industrial and metering test path. The metering circuit has surge and common-mode protection. A partitioned layout keeps the communications side from crosstalking the metering island.
Demand freeze, limit events, and tariff-calendar sync are included, depending on the protocol and the model, and parameters can be set remotely. Before go-live, SimtoLink recommends a maximum-demand simulation, a spot check of clock error, and a closed loop of the master-station policy.
Key hardware parameters
The figures below are the typical build of this meter, for selection and for the technical clauses in a bid. A wider range, redundant power, or an intrinsically safe variant is available from SimtoLink with the Hardware Specification and the Installation and Commissioning Guide. Order codes in the family can differ slightly; the nameplate and the papers shipped with the unit govern.
| Parameter | Specification | Notes |
|---|---|---|
| Voltage | 3×220/380 V | Self-powered |
| Current | 1(120) A | Anti-tamper |
| Accuracy | Class B | IEC 62052 |
| Harmonics | 2nd to 32nd | THD analysis |
| Communications | Modbus | Dual port |
| Clock | GPS time-sync module | Time-of-use tariffs |
| Pulse | Active and reactive pulse outputs | Optically isolated |
| Consumption | <1.1 W | Single-phase or three-phase |
| Operating temperature | -26～60 ℃ | Outdoor meter box |
| Standard | IEC 62053 | Type approval |
Typical deployments
Four layouts that show up often enough to use in a scheme review and a payback check:
Campus and office distribution
Maximum demand is watched against the transformer's contracted capacity, and air conditioning, lighting, or storage can be shed to cut the capacity charge.
Charger-fleet control
Demand is metered at the point of connection or on a dedicated feeder, and it lines up with how power is shared across the chargers, so an overload trip is less likely.
Lines and large motors
The demand curve shows what a shock load added, which is the basis for shifting production and for capacitor compensation.
Sub-metering and bus ties
Registers stay consistent and events stay in order across a bus-tie changeover or a dual supply, which is what an energy audit asks for.
Installation, grounding, and upkeep
- Check CT and PT secondary polarity and phase order, and tighten to the torque table shipped with the meter.
- Run the communications cable as shielded twisted pair, grounded at one end only. Bond the Modbus port and the gateway the way the design notes say.
- Before go-live, read GPS or network time and the tariff calendar back against the master station.
- Drain the meter box, keep the lightning earth inside the local code, and inspect the seals on a regular round.
- On the contract interval, recheck demand error, clock offset, and how often the link is up.
Ordering, documents, and support
SimtoLink provides the hardware specification, an outline drawing, a wiring table, and a sample project. Volume orders can include a sample review and inspection at the factory. Warranty and calibration follow the contract and the documents that ship with the meter.
Related hardware
Energy meters and meter reading in the same family: