Why use dedicated CapSync HVT modules instead of connecting ordinary temperature sensors to the general CAN bus in EOL rooms?

E-mobility traction and test benches, such as modern automotive electric motors (e-axles), operate under lethal electromagnetic induction and very dense high-voltage architectures. A standard meter would collapse under a reverse pulse. CapSync integrates CAT III 'Absolute Dielectric Isolation' that extinguishes up to 6,000 Vpk nominal voltages originating from inverter faults, shielding the thermal testing of the Type K thermocouple (-200 to 1,200°C) and thus preventing the destruction of the entire CAN bank.

Can higher expansions be used if I exhaust the 8 physical ports of the CapSync HVT Variant -4/8?

Correct. The device has a pass-through topology. It integrates coupled DIN rails where you can literally link module after module, all powered by a central 24 VDC primary. Its final transmit port is a CAN Bus 2.0A ecosystem at 1,000 kb/s, identical for all linked modules, forming dozens of LEMO barriers isolated against the generated 1,000 Vrms.

CapSync HVT Module | High Voltage Temperature Meter 1000 Vrms | CAN Bus

Type K Thermocouple | -200…1200 °C | 1000 Vrms Insulation | 50 Hz CAN Sampling | IP20/IP66

Manufacturer: CENSORED
Category: Accessories, Torque sensor

The modular system CapSync HVT Atesteo pushes the boundaries of thermal measurement into high-voltage environments unexplored by conventional rotary transducers. Designed with millimeter precision not as a trailing device, but as a critical monitoring barrier, it is certified under IEC 61326-1 to capture the thermal ramp of electric motors (e-axles), inverters, fuel cells, and grid systems at uninterrupted sampling rates of 50 Hz per channel. Its DIN rail architecture enables tactical modularity: from the lightweight unit Variant -1/2 (2 active channels) up to the industrial battery Variant -4/8 (8 active channels).

Its greatest achievement lies not in the wide-spectrum thermal reading (-200 to 1,200 °C) through LEMO connections for Type K thermocouples, but in its Active Dielectric WallThe bridge electronics are strictly isolated to absorb lethal transient overvoltages of up to 6,000 Vpk and operate continuously under fields of 1,000 Vrms (Measurement Category CAT III). This electromagnetic shield allows room engineers to couple multiple devices. CapSync By linking the 24 VDC supply and the 2.0A CAN Bus node, we create pass-through analysis ecosystems invulnerable to the erratic spikes of next-generation automotive systems. Organize the thermal topology of your test benches by contacting the E-Mobility engineers at headquarters. Gemissa Acquisition Systems.

Properties

Module Deployment Variants	Variant -1/2 (2 LEMO Channels) \| Variant -4/8 (8 Active Channels)
Operating Temperature Spectrum	Extended scale from -200 °C to 1,200 °C (Type K thermocouple)
Active Isolation Category	CAT III (Constant Operation at 1,000 Vrms / 1,500 Vpk)
Surge protection	Transient Support / Surge Test up to 6,000 Vpk
Electronic Nominal Metrological Rigor	≤ ± 1.00 K (0.10 K Digital Matrix Resolution)
CAN Bus Network Ecosystem (Pass-through)	Type 2.0A Modular (Scalable baud rates 250 / 500 / 1,000 kbit/s)
Bank Insertion Format	DIN rail profile with internal transmission bus (IP20 – IP66 optional)
Sampling Operating Frequency	Fixed Analytical Latency at 50 Samples per Second and Channel (1/s 50)
Electromagnetic Protection of Grade	Strict Approval IEC 61326-1 / DIN EN 61010-1

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