The F31D batch controller adopts ARM Cortex-M3 chip, matching pulse/4-20mA flowmeters. It supports dual valve & pump precise control, stores batch/daily/monthly flow logs, features RS485 Modbus communication and LCD display for chemical, food fluid quantitative dosing.
High-performance ARM Cortex-M3 core, ±0.2%FS high display precision
Compatible with pulse, 4-20mA, PT100 flow/temp/pressure transmitters
3-way relay output for large valve, small valve and pump linkage control
Pre-set advance closing value to avoid filling overshoot
Multi-unit switching: L/m³/kg/t, supports gas/liquid density compensation
Stores batch, daily, monthly and yearly cumulative flow records
Dual RS485/RS232 communication, Modbus RTU supported
Built-in 4-20mA analog transmission output for secondary instruments
Embedded panel mounting design, lightweight and easy installation
Complete fault filtering and small signal cut-off functions for stable measurement
| Display | Screen | 128*64 dot matrix gray-white screen liquid crystal display (LCD) |
| Accuracy | Display accuracy: ±0.2% F.S. | |
| Processor | Adopts high-performance ARM Cortex-M3 32-bit RISC core | |
| Input Function | Flow Channel | Analog signals: 4-20mA, 0-10mA and other signals; Frequency signal: Fr (Range: 0.0-5000.0HZ, low level ≤1V, high level ≥5V) |
| Temperature Channel | 0-10mA, 4-20mA, Pt100 and other signals | |
| Pressure Channel | 0-10mA, 4-20mA and other signals | |
| Output Function | Power Distribution Output | Provides 1 set (F12) of 12VDC and 2 sets (Q24, P24) of 24VDC sensor power supply, the maximum output current per channel is 30mA, among which the flow current 24V power distribution (Q24) and pressure 24V power distribution (P24) share the same ground |
| Transmission Output | Supports 1 channel of standard 4-20mA current transmission output, with maximum load capacity of 500Ω | |
| Relay Output | Supports 3 channels of relay output, contact capacity 3A@250VAC/3A@30VDC | |
| Communication Function | Communication Interface | Provides RS232C and RS485 two communication interfaces for users to choose, supports Modbus RTU protocol, baud rate (1200, 2400, 4800, 9600) |
| Print Interface | RS232C directly connects to micro printer, baud rate 1200 | |
| Power Supply | AC Power Supply | 220VAC/50HZ AC power supply |
| DC Power Supply | Supports 24VDC (18VDC-36VDC) DC power supply; Supports 12VDC (9VDC-18VDC) DC power supply | |
| Error Accuracy | Clock Error | ±2 seconds per day |
| Working Environment(Do not work in flammable and corrosive environments) | Ambient Temperature | 0～50℃ (Avoid direct sunlight) |
| Ambient Humidity | 0～85%R.H (No condensation) | |
| Altitude | <2000 meters | |
| Instrument Net Weight | ≤1.0Kg | |
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