Zhenming Electronics

Product Category

Industrial IO and Relay Control Modules

For control cabinets, equipment retrofit and field linkage, covering digital input, relay output, RS485 communication and multi-channel control.

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Digital inputProject selection dimension

Relay outputProject selection dimension

RS485 Modbus RTUProject selection dimension

Equipment retrofitProject selection dimension

Choose products by field task

Acquire contacts and equipment states

16/32-Channel Digital Input Modules

Input modules collect contacts and equipment states; they do not drive loads. Select by input count and cabinet layout, and add an output controller when equipment switching is required.

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Combine input acquisition and output control

ZMRN1016S3-V5 Eight-Channel Ethernet IO Controller

Select by channels and operating modes when Ethernet control and input status are required together. Compare dedicated input modules for many contacts and Q-series controllers for other output scales.

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Scale equipment switching by circuits

ZMRN Q Series Network Relay Controller

Select a Q-series configuration by circuit count, load type and site network. Compare 4G models for cellular access and the high-power range for higher-load circuit control.

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Products in this category

Compare product functions, interfaces and applications, then open the product page and its related documents.

50A magnetic latching relay controller product image

Lighting Relay Controllers

50A High-Power Magnetic Latching Relay Controller

8-channel relay controller with Ethernet, RS485, CAN and 50A magnetic latching relays for smart lighting and high-power circuit management.

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Isolated USB to RS485 Converter product image

Industrial IO and Device Integration

Isolated USB to RS485 Converter

Isolated USB to RS485 converter with USB interface and A, B, GND terminals for industrial device commissioning, protocol access and field maintenance.

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ZMRL0101-ER1 1-Channel 4G Energy Relay product image

Remote Switching Controllers

ZMRL0101-ER1 1-Channel 4G Energy Relay

One relay output, one digital input, LTE(4G) MQTT access, energy data acquisition, weekly schedules and status reporting for distributed single-load control.

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ZMRI3200DI 32-channel digital input module enclosure and terminal arrangement

Industrial IO and Device Integration

16/32-Channel Digital Input Modules

16-channel and 32-channel RS485 Modbus RTU digital input modules for dry contact and equipment status acquisition.

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ZMRN Q Series Network Relay Controller product image

Remote Switching Controllers

ZMRN Q Series Network Relay Controller

1 to 32-channel RS485 Modbus RTU relay controller series for smart lighting, cabinets and equipment switching.

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ZMRN RC Series High-Power Relay Controller product image

Remote Switching Controllers

ZMRN RC Series High-Power Relay Controller

1 to 12-channel relay controller series with 50A magnetic latching relay options for high-power lighting and cabinets.

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ZMRL QL Series Network Relay Controller product image

Remote Switching Controllers

ZMRL QL Series Network Relay Controller

2 to 32-channel LTE(4G) relay controller series for remote lighting, equipment switching and distributed cabinets.

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ZMRL QLR Series Network Relay Controller product image

Remote Switching Controllers

ZMRL QLR Series Network Relay Controller

4, 6, 8, 12, 16, 24 and 32-channel RS485 relay controllers for lighting cabinets and centralized switching projects.

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Twelve-channel frequency acquisition instrument LCD and enclosure

Frequency and Pulse Acquisition

12-Channel Frequency, Duty Cycle and Pulse Counter

12-channel frequency, duty cycle and pulse count acquisition device with RS485 Modbus RTU and LCD display.

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ZMRL0404 ZMRL0808 ZMRL1212 network relay controller product image

Lighting Relay Controllers

ZMRL0404 / ZMRL0808 / ZMRL1212 Network Relay Controller

4, 8 or 12 input and output channels with 4G, RS485, 50A magnetic latching relays and offline schedules.

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Eight-axis motion card functional diagram with pulse outputs, limits and host connections

Motion and Motor Control

Eight-Axis Ethernet Motion Control Card

Eight STEP/DIR/EN channel groups and per-axis limits support independent motion, synchronized starts, host-generated trajectories, browser management and Mach3 integration.

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QC12 twelve-channel magnetic latching relay controller

Lighting Relay Controllers

QC4 / QC8 / QC12 Latching Relay Controllers

Select four, eight or twelve input/output channels for lighting cabinets and equipment control, combining Ethernet, RS485, local inputs and platform operation.

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ZMMOTOR-BDC1 functional connections for remote commands, buttons, limits and a DC motor

Motion and Motor Control

ZMMOTOR-BDC1 DC Motor and Linear Actuator Controller

Control compatible low-voltage DC motors and linear actuators with forward/reverse motion, directional pulses, stop, local buttons and end limits through mobile or Web access.

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ZMRN1016S3-V5 eight-channel controller board and dimensions

Industrial IO and Device Integration

ZMRN1016S3-V5 Eight-Channel Ethernet IO Controller

Eight relay outputs and eight inputs with Ethernet access, switching, pulse, interlock and toggle modes, channel naming and weekly scheduling.

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Large industrial status light appearance and dimension drawing

Industrial IO and Device Integration

Industrial Three-Color Status Light

Display running, waiting, fault and process-completion states through red, yellow and green indicators, with digital-signal or RS485 control options.

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Smart circuit breaker gateway and multiple branch assembly

Metering and Remote Distribution

Modular Smart Circuit Breakers and Distribution Management

Combine a gateway with 1P–4P branch devices for circuit monitoring, status visibility, remote switching, schedules and event records in buildings and equipment panels.

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TPSR three-phase 4G controller side view and terminal structure

Metering and Remote Distribution

ZMRL0101-TPLR_V1 (TPSR) Three-Phase 4G Controller

Three-phase circuit switching with an 80 A relay, 4G remote access, local controls, optional RF433 remote operation, 16 weekly schedules and supply-status notifications.

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Specialized product groups

Continue by communication method, signal type or measurement object.

4G and Ethernet Remote Control Sensor and Environment Acquisition Analog Input and Output

Project selection workflow

Define the objectList circuits, devices, sensors, meters or weighing points.

Confirm signalsConfirm digital, analog, RS485, energy or weighing data.

Plan communicationSelect local bus, Ethernet or LTE(4G) by site conditions.

Design operationsDefine permissions, schedules, alarms, logs and reports.

Selection FAQ

How should a model be selected?

Start with the control or measurement object, then confirm signal type, channel count, communication method, power supply, installation and platform requirements.

Can products be integrated into an existing system?

RS485, Modbus, Ethernet, LTE(4G), HTTP or MQTT can be combined according to the selected device and project architecture.

Is private deployment available?

Platform functions and private deployment can be planned according to the project scale, device model and integration scope.

Contact Zhenming Electronics

Call us or leave your contact details for product selection and project enquiries.

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Official Platform and Service Links

Open the Zhenming IoT platform, product documentation or official Taobao store.

IoT PlatformDevice access, remote control, status monitoring and operation management.Open link →Resources and DownloadsProduct manuals, application guides and software downloads.Open link →Official Taobao StoreView products and contact the manufacturer through the official store.Open link →