Yokogawa F3LC31-2F Serial Communication Module

Model/Part Number

F3LC31-2F

Description

Serial Communication Module (Modbus RTU/ASCII over RS-422/RS-485)

Interface

Conforms to EIA RS-422 / RS-485

Transmission Mode

Half-duplex, 4-wire or 2-wire system

Transmission Speed

300 / 600 / 1200 / 2400 / 4800 / 9600 / 14400 / 19200 / 28800 / 38400 / 57600 / 115200 bps

Transmission Media

Shielded twisted-pair cable (AWG20_16)

Transmission Distance

Max. 1200 m

Terminating Resistance

220 Ω (built-in, switch-selectable)

Number of Ports

1 (Isolated)

Data Format

- Start Bit: 1 bit- Data Length: 7 or 8 bits- Stop Bit: 1 or 2 bits- Parity: None, Even, or Odd

Xon/Xoff Control

Not Supported

Supported Protocols

Modbus RTU / Modbus ASCII

Error Checking

CRC-16 (RTU), LRC-8 (ASCII)

Write Protection

Yes/No (slave only)

Master Function

Supported (10 Modbus function codes)

Slave Function

Supported (10 Modbus function codes)Request/Response area: 250 bytes

Broadcast Function

Supported (broadcast address = 0)

Multi-slave Function

Max. 8 slaves supported

Device Size_(Memory Map)

- 64K Discrete Inputs- 64K Coils- 64K Input Registers- 64K Holding Registers

Station Address Range

1 to 247

Number of Modules

- F3SP21: 2 modules max.- F3SP22/25/28/35/38/53/58/59/66/67/71/76, F3BP20/30: 6 modules max.

External Connection

6-point terminal block with M3.5 screws

Current Consumption

290 mA

External Dimensions

28.9 (W) _ 100 (H) _ 83.2 (D) mm

Weight

130 g

Operating Temperature

0 to 55 °C

Storage Temperature

_20 to 75 °C

Operating Humidity

10 to 90% RH (non-condensing)

Storage Humidity

10 to 90% RH (non-condensing)

Surrounding Atmosphere

Free of corrosive gases, flammable gases, or heavy dust