Key Specifications
- Main output
- A420 4-20mA; V10 0-10V
- Pump control
- S single-pump VFD control; M multi-pump VFD control
- Clock
- Optional real-time clock
- Communication
- Optional RS232 and RS485
Back to products
Environment, Pressure & Water Treatment
CPC316
VFD Constant-Pressure Water-Supply Controller
The CPC316 VFD constant-pressure water-supply controller supports single-pump and multi-pump systems, with analog main output, optional real-time clock and communication interfaces.
Technical Detail
Technical Details
The CPC316 VFD constant-pressure water-supply controller is designed for inverter pump systems. It receives pressure transmitter signals, runs PI control and provides analog and relay outputs for single-pump or multi-pump variable-frequency control.
Optional real-time clock and RS232/RS485 communication support pump group scheduling, monitoring and engineering integration.
Model Coding
| CPC316 | - | Main output | - | Pump | - | Clock | - | Communication |
| (1) | (2) | (3) | (4) |
| A420 | 4-20mA current output |
|---|---|
| V10 | 0-10V voltage output |
| S | Single-pump variable-frequency control |
|---|---|
| M | Multi-pump variable-frequency control |
| 0 | No real-time clock |
|---|---|
| T | With real-time clock |
| 0 | No communication |
|---|---|
| RS232 | RS232 communication interface |
| RS485 | RS485 communication interface |
Example: CPC316-A420-M-T is a multi-pump controller with real-time clock and 4-20mA control output.
Panel Description
Dimensions and Mounting
Wiring
Specifications
| Accuracy | +/-0.2% FS +/-1 digit |
|---|---|
| Sample rate | 100 ms |
| Pressure input signal | 0-50mV, 4-20mA, 0-10V or 0-400 ohm |
| Output | Analog output: 4-20mA, 0-20mA or 0-10V Relay output, normally-open contact, max. 250VAC / 3A |
| Alarm | Relay output, normally-open contact, max. 250VAC / 3A |
| Control algorithm | PI control with stable response and minimal over/under regulation |
| Digital communication | RS232, 3-wire; RS485, 2-wire |
| Power supply | 100-260VAC, 50/60Hz |
| Environment | Ambient temperature 0-50°C, relative humidity <=85% |
| Dimensions | 96(W) x 96(H) x 100(D) mm |
