Honeywell 621-9940C Serial Input/Output (I/O) Module In Stock

The Honeywell 621-9940C is a Serial Input/Output (I/O) Module that is part of the Honeywell PLC-5 family of programmable logic controllers. It is used to communicate with and control serial devices, such as printers, bar code scanners, and other industrial equipment.

The 621-9940C supports both RS-232 and RS-485 serial communication protocols, and it can be configured to operate in either half-duplex or full-duplex mode. The module also supports a variety of baud rates, data bits, parity bits, and stop bits.

Specifications:

• Serial communication protocols: RS-232, RS-485
• Half-duplex/full-duplex operation
• Baud rates: 300 to 19,200 bps
• Data bits: 7 or 8
• Parity bits: None, even, odd
• Stop bits: 1 or 2
• Number of serial ports: 12
• Buffering: 1024 bytes per port
• Error detection and correction: CRC-16, parity
• Modbus support: Master, slave
• Isolated ports: Yes
• Wide operating temperature range: -25 to 85 degrees Celsius
• Conformal coating: Yes
• Compact size: 1.5 inches x 4 inches x 1 inch
• Weight: 0.88 kg

Features:

• 12 serial ports: This allows the module to communicate with multiple devices simultaneously.
• Buffering: This helps to ensure that data is not lost when communicating with slow devices.
• Error detection and correction: This helps to ensure that data is transmitted and received accurately.
• Modbus support: This allows the module to communicate with Modbus devices.
• Isolated ports: This helps to protect the module from damage caused by electrical noise.
• Wide operating temperature range: This allows the module to be used in a variety of environments.
• Conformal coating: This helps to protect the module from moisture and dust.
• Compact size: This allows the module to be installed in tight spaces.

FAQ & Contact:

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