This manual describes the communication function of the infrared gas analyzer (model: ZRE), including communication specifications, connections, communication condition settings, MODBUS communication protocol, information details, address mapping and data format.
The ZRE is a communication module from Fuji Electric that supports both RS‑485 and USB interfaces for data exchange with master devices such as PLCs or computers. It is designed for use in analysis equipment and follows the MODBUS protocol.
The manual describes the RS‑485 and USB interface specifications, terminal assignments, configuration steps, and safety precautions. It also lists the fixed communication parameters (38400 bps, 8‑N‑1) and the maximum number of slave devices that can be connected. This manual is written in Japanese.
| RS‑485 communication mode | 2‑wire half‑duplex |
|---|---|
| RS‑485 communication speed | 38400 bps |
The communication speed is fixed at 38400 bps.