4G and RS485 network relay controller series with 4, 8 or 12 input and output channels, 50A magnetic latching relays, offline schedules, and supported on-device RS485 sensor threshold automation for agriculture and field equipment.
Tax-inclusive reference prices in CNY. Negotiable; the quotation reflects the selected configuration, quantity and delivery requirements. All products carry a 3-year warranty.
For a complete system, include the power supply, sensors, communication access and platform deployment in your enquiry.
4G and RS485 network relay controller series with 4, 8 or 12 input and output channels, 50A magnetic latching relays, offline schedules, and supported on-device RS485 sensor threshold automation for agriculture and field equipment.
The page is written for engineering companies, system integrators, device manufacturers and B2B project procurement teams.
Supported controller hardware and firmware can read Zhenming RS485 environmental sensors, evaluate downloaded upper and lower thresholds on site, and drive the mapped output without a cloud round trip. The platform remains available for rule configuration, state, remote operation and linkage logs.
The QCL series provides multi-circuit 4G latching control. Select by circuits and cabinet space; compare QC products for Ethernet sites and ER1 for single-circuit energy-aware remote control.
Select QC models by circuit count for multi-circuit latching relay switching. Match integration, local inputs and loads to the exact model; compare QCL products for 4G latching control.
View product detailsChoose an energy relay when one circuit needs both 4G switching and power data. Compare a switching-only controller for simple start/stop duties, or a multi-circuit energy controller for additional circuits.
View product details| Product family | ZMRL0404-QCL4 / ZMRL0808-QCL8 / ZMRL1212-QCL12 |
|---|---|
| Supply | 12V; standard 12V/1A supply |
| Communication | 4G and 1 RS485 port |
| Relay specification | 50A 277V AC magnetic latching relay |
| Maximum output voltage/current | AC220V / 50A |
| Standby consumption | 0.8W |
| Maximum consumption | 3W |
| Switching life | More than 100,000 operations |
| Operating temperature | -25 to 80°C |
| Offline schedules | 16 independent offline schedules |
| ZMRL0404-QCL4 — IO and dimensions | 4 inputs; 4 independent dry-contact outputs for 220V circuits; 110×100×65mm |
| ZMRL0808-QCL8 — IO and dimensions | 8 inputs; 8 independent dry-contact outputs for 220V circuits; 180×100×60mm |
| ZMRL1212-QCL12 — IO and dimensions | 12 inputs; 12 independent dry-contact outputs for 220V circuits; 250×100×65mm |
QCL combines 4G remote access with local RS485 and matched input/output channels. ZMRL0404-QCL4, ZMRL0808-QCL8 and ZMRL1212-QCL12 provide four, eight and twelve channels respectively. Use circuit count, enclosure space, cable access and spare capacity to select the model for a small equipment box, a floor zone or a larger lighting cabinet.
Supported firmware and configurations can read compatible RS485 sensors and execute threshold rules on the controller. Temperature, humidity or level conditions can trigger the selected outputs without a cloud round trip for each action. The platform supports configuration, visibility and records. Define protocol, threshold, hysteresis and output behavior as one coherent field strategy.
A configured field input can trigger one or more local outputs for arrival, departure, cleaning or maintenance scenes. Switching, momentary, toggle, interlock and hidden modes serve different control objects, while offline schedules support configured routines. Local operation can coexist with mobile and desktop circuit management for distributed lighting and livestock cabinets.
Independent dry contacts can be allocated to lighting, pump, fan or contactor circuits. Inputs and RS485 handle the low-voltage field interface. Group controllers by site and cabinet, and keep platform names aligned with terminal labels. Separate current or energy acquisition can document actual operation and consumption alongside control records.
QCL offers 4, 8 or 12 channels with 4G access. QC8 has eight channels with Ethernet, dual RS485 and CAN. Select by network, interface and circuit needs.
No. Supported local RS485 rules execute on the controller. Sensor protocol, firmware and rule configuration must match.
Yes. Local inputs provide field triggers, and the platform supplies remote operation and records.
Select 4G, Ethernet or RS485 by model. RS485 slaves use a networked host or gateway for platform access.
Select IO count, load characteristics, terminal space and maintenance groups using the specific model drawings.
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