Temperature Data Collectors

Key Features

• USB-C communication interface
• Two independent RS-485 outputs
• Up to 800 temperature measurement points across four channels
• Cable reach up to 1,600 meters with compatible sensors
• Interference suppression and a strong pull-up circuit that supports simultaneous conversion at 200 temperature points

Communication options

• LoRa + RS-485
• USB-C
• TCP/IP + RS-485

Additional Details

The ZS-RTU-800P is an industrial multipoint temperature and humidity data collector. It converts readings from compatible sensors, including DS18B20 temperature sensors, into Modbus data for PLCs, HMIs, SCADA software, and host computers.

The driver circuitry and firmware are designed for installations with electrical interference, long cable runs, and submerged sensors.

ZS-RTU-1600P (8-Channel Digital Data Collector)

Key Features

• Supports USB Type-C connectivity
• Two independent RS-485 outputs
• Ultra-high sensor capacity: Supports over 1,600 temperature measurement points across 8 channels
• Can drive sensors over cable lengths exceeding 3,000 meters

Multiple Communication Options

1. LoRa + RS-485 output
2. USB Type-C communication interface
3. TCP/IP + RS-485 output

Additional Features

• Proprietary anti-interference technology
• High-strength pull-up circuitry capable of simultaneously converting readings from 200 temperature measurement points

Additional Details

The ZS-RTU-1600P is an industrial-grade, multipoint temperature and humidity data collector. It converts data from temperature and humidity sensor chips, such as the DS18B20, into the standard Modbus protocol, allowing host computers, SCADA/configuration software, HMI displays, PLCs, and other equipment to easily interpret and read the data.

It incorporates fourth-generation driver circuitry and firmware, specifically optimized for stable operation in environments with complex electrical interference, long cable runs, and submerged sensors.

The device can communicate with temperature sensor chips over extension cables exceeding 1,500 meters and collect data from up to 1,600 temperature and humidity sensors.

ZS-RTU-400P (2-Channel Digital Data Collector)

Supports USB Type-C

Independent dual RS-485 outputs

High sensor capacity: Supports up to 400 temperature measurement points across two channels.

Long-distance capability: Supports cable lengths of up to 1,600 meters.

Multiple communication output options:

1. LoRa + RS-485
2. TCP/IP + RS-485

Proprietary anti-interference mode

High-power pull-up: Supports simultaneous temperature conversion for 200 measurement points.

Additional Details

The ZS-RTU-400P is an industrial-grade multipoint temperature and humidity data collector. It converts data from DS18B20 and other temperature and humidity sensor chips into the standard Modbus protocol, allowing easy integration with host computers, SCADA software, HMI panels, PLCs, and other industrial control systems.

The device uses fourth-generation driver circuitry and firmware, specifically optimized for stable operation in environments with complex electrical interference, long cable runs, and submerged sensors.

It supports cable lengths of up to 1,600 meters and can collect data from up to 400 temperature and humidity sensors.

ZS-HUB-Ti (2-Channel Digital Data Collector)

Supports USB Type-C

High sensor capacity across two channels

Independent RS-485 communication module

Ultra-compact design for easier installation

Additional Details

The ZS-HUB-Ti is a compact, industrial-grade multipoint temperature and humidity data collector. It converts data from DS18B20 and other temperature and humidity sensor chips into the standard Modbus protocol, allowing easy integration with host computers, SCADA software, HMI panels, PLCs, and other industrial control systems.

The device features fourth-generation driver circuitry and firmware, specifically optimized for stable operation in environments with complex electrical interference, long cable runs, and submerged sensors.

Its compact form factor simplifies installation while providing reliable multipoint temperature and humidity data acquisition for industrial monitoring applications.

ZS-RTU-TTL (Industrial 1-Wire to TTL Temperature Data Acquisition Module)

Key Features

• Long-distance sensor communication: Supports digital temperature sensor networks with extension cable lengths of 0–1,500 meters.
• High sensor capacity: Supports up to 200 digital temperature measurement points.
• Modbus RTU protocol support: Converts 1-Wire sensor readings into structured serial data for integration with industrial monitoring systems.
• TTL-level UART interface: Provides serial communication for direct integration with microcontrollers and embedded control systems.
• Automatic sensor sorting: Organizes detected sensor readings into a consistent register sequence, simplifying host-side data retrieval.
• Custom ASCII communication protocol: Provides additional commands for sensor identification, configuration, and data access.
• Dual baud rate support: Selectable 9,600 or 115,200 bps communication.
• Built-in watchdog: Automatically restarts the module if the system becomes unresponsive.
• Configurable operating parameters: Supports customization of internal communication and sensor management settings.
• Electrical isolation: Designed with isolated sensor-side power and communication circuitry for improved system stability.
• Compact PCB design: Suitable for integration into custom industrial monitoring equipment.

Additional Details

The ZS-RTU-TTL is an industrial-grade digital temperature and humidity data acquisition module designed to connect multipoint 1-Wire sensor networks with TTL-level serial communication systems.

The module collects measurement data from up to 200 digital temperature sensors, including DS18B20 and compatible sensor variants, as well as supported 1-Wire temperature and humidity sensors. It converts, sorts, and organizes sensor readings into structured serial data that can be accessed by microcontrollers, embedded controllers, and other compatible host devices.

Supporting extension cable lengths of up to 1,500 meters, the ZS-RTU-TTL is designed for distributed temperature monitoring applications requiring long-distance communication and high sensor capacity.

The module supports both Modbus RTU and a proprietary ASCII communication protocol. Its built-in automatic sorting function organizes sensor readings into predictable Modbus register addresses, reducing the complexity of host-side software integration.

The custom ASCII protocol provides additional functionality for sensor discovery, identification, configuration, and temperature data retrieval.

Selectable 9,600 and 115,200 bps baud rates provide flexibility for different host systems, while an integrated watchdog automatically restarts the module following an unexpected system lockup.

Designed for embedded integration, the ZS-RTU-TTL features compact dimensions, configurable operating parameters, and isolated sensor-side circuitry to support reliable operation in industrial monitoring environments.

Technical Specifications

Product model

ZS-RTU-TTL

Product type

Industrial 1-Wire to TTL data acquisition module

Maximum sensor capacity

200 measurement points

Supported sensors

DS18B20 and compatible digital temperature sensors; supported 1-Wire temperature/humidity sensors

Maximum extension cable length

1,500 m (manufacturer-rated; configuration dependent)

Sensor communication

1-Wire digital bus

Host communication

TTL-level UART

Supported protocols

Modbus RTU and custom ASCII

Supported baud rates

9,600 / 115,200 bps

Modbus function codes

03, 04, 06, 16, 22

Automatic sensor sorting

Supported

Watchdog

Built-in automatic restart

Configurable parameters

Supported

Electrical isolation

Isolated sensor-side circuitry

Module dimensions

41.783 × 30.251 mm

Host connections

RXD, TXD, RST, GND, 5 V

Sensor-side connections

5 V, DQ, GND

ZS-RTU-200W (Single-Channel Industrial Temperature & Humidity Data Collector)

Key Features

• Single-channel data acquisition: Supports up to 200 digital temperature and humidity measurement points.
• Long-distance sensor communication: Supports extension cable lengths exceeding 1,500 meters with compatible sensors.
• Optional power isolation: Available in isolated and non-isolated versions to accommodate different installation requirements.
• Modbus RTU communication: Converts digital sensor readings into standard Modbus RTU data for integration with PLCs, SCADA systems, HMIs, and industrial monitoring software.
• RS-485 communication interface: Provides industrial serial connectivity.
• Dual baud rate support: Supports 9,600 and 115,200 bps.
• Enhanced interference resistance: Designed for stable operation in environments with strong electromagnetic interference.
• Improved sensor reliability in wet environments: Specialized driving circuitry helps reduce electrical stress on sensors exposed to moisture.
• Two- and three-wire sensor compatibility: Supports both parasite-powered and externally powered digital sensors, depending on sensor compatibility.
• High-capacity sensor conversion: Supports simultaneous conversion of up to 200 temperature measurement points.
• Automatic fault recovery: Includes short-circuit protection and recovery following temporary wiring faults.
• Surge protection: Protective circuitry for power, communication, and sensor connections.
• Configurable operating modes: Supports simultaneous multipoint acquisition, individual sensor reading, and diagnostic operation.
• DIN rail mounting: Compact industrial enclosure for control cabinet installation.

Additional Details

The ZS-RTU-200W is a single-channel industrial temperature and humidity data collector designed for long-distance, multipoint digital sensor networks.

The collector acquires measurement data from up to 200 compatible digital temperature and humidity sensors, including DS18B20-based devices, and converts the readings into standard Modbus RTU data. This enables straightforward integration with programmable logic controllers (PLCs), SCADA systems, human-machine interfaces (HMIs), and industrial monitoring software.

Built around fourth-generation sensor-driving circuitry and firmware, the ZS-RTU-200W is engineered to maintain stable communication across extended cable runs and electrically demanding installations. Its high-drive sensor interface supports cable lengths exceeding 1,500 meters under suitable conditions, reducing the need for additional data acquisition equipment in distributed monitoring systems.

The collector is available in both isolated and non-isolated configurations, allowing users to select the appropriate electrical protection for their installation. The isolated version incorporates power and RS-485 isolation to reduce the effects of electrical noise and interference.

Integrated interference-suppression functions, configurable signal-discharge settings, and automatic recovery from temporary wiring faults help maintain reliable operation in environments containing large motors, variable-frequency drives, transformers, and other sources of electromagnetic interference.

The ZS-RTU-200W also supports specialized operating modes for challenging sensor networks. Simultaneous acquisition enables efficient monitoring of large sensor groups, while single-point conversion reduces instantaneous power demand on long or degraded sensor cables.

For installations where sensors are exposed to moisture, the collector's optimized driving circuitry and protective functions are designed to reduce electrical stress and help extend sensor service life.

With its compact DIN rail-mounted enclosure, RS-485 communication interface, and standard Modbus RTU output, the ZS-RTU-200W provides a practical solution for industrial temperature monitoring, power cable infrastructure, water storage systems, geothermal installations, and other distributed sensor applications.

Technical Specifications

Product model

ZS-RTU-200W

Product type

Industrial multipoint temperature and humidity data collector

Measurement channels

1

Maximum sensor capacity

200 measurement points

Maximum extension cable length

1,500 m nominal; longer distances possible under suitable conditions

Supported sensor wiring

2-wire parasite power / 3-wire external power

Power supply

9–36 V DC (some versions require 18–36 V DC)

Operating temperature

-30°C to 80°C (-40°C to 80°C in single-point mode)

Temperature display resolution

0.1°C

Communication interface

RS-485

Communication protocol

Modbus RTU / custom protocol

Supported baud rates

9,600 / 115,200 bps

Serial format

8 data bits, 1 stop bit, no parity

Default Modbus address

1

Temperature register range

30001–30200 (Function Code 04)

Humidity register range

40001–40200 (Function Code 03)

Temperature register scaling

×0.1°C

Humidity register scaling

×0.01% RH

Multipoint conversion time

3.5 seconds per 200 points

Single-point conversion time

1 second per point

Isolation options

Isolated / non-isolated versions

Available operating modes

Multipoint Modbus, single-point Modbus, API diagnostic mode

Sensor identification editing

Supported

Signal-discharge function

Supported

Short-circuit protection

Supported

Mounting

DIN rail

Dimensions

53 × 82 mm

Compatible temperature sensors

DS18B20, CT1820, QT18B20, GX18B20, MY18B20 (new version), HK1020, RT18B20

Compatible temperature/humidity sensors

GHT3W, CHT-1305, SHT31 (1-Wire version)

Typical Applications

• Industrial multipoint temperature monitoring
• Power cable trenches and electrical infrastructure
• Water storage tanks and reservoirs
• Geothermal and ground-freezing installations
• Coal storage temperature monitoring
• Long-distance digital sensor networks
• Industrial equipment operating in high-interference environments