Product Type: Communication Interface Module
Brand：Yokogawa , Model: ALR111-S00

Suffix Codes:

• -S: Standard type
• 0: Basic type
• 0: Basic type

Features of ALR111:

• Interface Support: Utilizes the RS-232C interface for point-to-point communication.
• Communication Features: Operates on half-duplex communication with start-stop synchronization.
• Transmission Characteristics: Supports transmission speeds ranging from 1200 bps to 38400 bps; compatible with both ASCII and binary transmission codes.
• Physical Attributes: weigh only 0.3 kg
• Communication Capacity: Accommodates up to 128 communication definitions per module and a communication I/O data capacity of 1000 words.
• Environmental Tolerance: Designed to operate effectively within industrial environments as prescribed for Yokogawa field control systems.

Technical Specifications:

• Transmission Speeds: Configurable at 1200, 2400, 4800, 9600, 19200, and 38400 bps.
• Data Handling: Supports character lengths of 7/8 bits, and stop bit length can be set to 1 or 2 bits. Offers parity check options of none, even, or odd.
• Installation: Can be mounted on Yokogawa units such as ANB10, ANB11, ANR10, AFF50, AFV10, AFV30, and AFV40.
• Distance Capability: Supports a maximum transmission distance of 15 meters.
• Lag Time: Features minimal lag time of 1 ms to resume data reception after transmission.

Supported Communication Functions and Protocols:

• FA-M3 Communication: Directly interfaces with FA-M3 and FA500 systems using dedicated control protocols.
• Modbus Communication: Supports connections with devices like STARDOM FCN, FCJ, and various Modicon units over the Modbus protocol.
• MELSEC-A Communication: Facilitates communication with MELSEC-A CPU units through a dedicated protocol.
• YS Communication: Compatible with YS instruments, enabling direct connections over RS-485 for robust data transmission.
• SLC and PLC-5 Communication: Communicates with SLC500 and PLC-5 devices using the DF1 and dedicated PLC-5 protocols, respectively.