User manual for the Silicon Garden CQ‑E controller that operates bag dust collectors, covering features, installation, wiring and parameter settings.
The CQ‑E controller, developed by Silicon Garden, provides reliable control for bag dust collectors in harsh environments. It supports analog (0‑5 V or 4‑20 mA) and digital inputs, optional differential‑pressure control, Modbus communication and remote start/stop functions.
The manual describes the controller’s appearance, technical specifications, step‑by‑step panel‑mount installation, wiring diagrams, operation procedures and how to modify and permanently store the nine control parameters using the unit and modify buttons. This manual is written in Chinese.
| Pulse interval adjustment range | 3‑999 s |
|---|---|
| Output pulse width range | 0.02‑0.99 s or 9.99 s |
| Cycle interval adjustment range | 2‑9999 s |
| Parameter retention after power loss | Yes |
| Optional differential‑pressure control range | 0‑6000 Pa |
| Modbus communication support | Optional |
| Analog input support | 0‑5 VDC voltage, 4‑20 mA current (optional) |
| Digital input support | Optional |
| Remote start/stop support | Optional |
| Power supply voltage | AC 180‑240 V, 50 Hz |
| Number of output channels | 8‑16 (expandable) |
| Output voltage per channel | AC 220 V or DC 24 V |
| Output current per channel | AC 0.8 A or DC 1.5 A |
| Dimensions | 160 × 118 × 80 mm |
Press the unit button for at least 0.5 s to enter parameter‑modification mode, then use the modify button to change each digit of the selected parameter; the controller saves the changes permanently.
It operates from an AC supply of 180‑240 V at 50 Hz.
Yes, all control parameters remain stored even when power is lost.
The device provides 8 to 16 output channels, and it can be expanded.