Keyence FD‑EC Flowmeter
Supported Devices
| Device Type | Variants | Modbus TCP (Ethernet) | RS485 | Curtailment |
|---|---|---|---|---|
| Keyence FD‑EC Series | FD‑ECA1 / FD‑ECA1C / FD‑ECA0 (Amplifier units) | ✅ | ❌ | ❌ |
Wiring
The SmartgridOne Controller communicates with the FD‑EC amplifier via Ethernet (Modbus TCP).
Connect the Ethernet cable from the amplifier unit to any free controller network port or network switch on the same LAN.
Info
RS485 Wiring
- For correct RS485 wiring: Follow the guidelines for RS485 wiring.
- If the wiring shown in the table below is incorrect, please let us know.
- There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.
| Device | SmartgridOne Controller model OM1 | SmartgridOne Controller model IG8 | RS485-USB converter | RS485-Ethernet converter |
|---|---|---|---|---|
| Ethernet connection | RS485 A | RS485_POS | RS485 A | TX+ |
| TCP Port 502 | RS485 B | RS485_NEG | RS485 B | TX- |
| Category 5e or 6 cable | RS GND | GND | Not available | G |
Warning
NOTE: RS485 Device Addresses
- You MUST give each device on the RS485 bus a unique address. Check the manual of the device on how to do this.
- Use lower addresses first (1, 2, ...) because the SmartgridOne Controller will find them faster!
- For each device, it is generally recommended to stick with the factory default baud rate, parity, and stop bits. The SmartgridOne Controller will scan on those first.