Honeywell 621-9939 Serial Link Module

FAQ

Q1: What is the main function of the 621-9939?
Used for serial data communication between modules in industrial automation systems to ensure reliable control system connectivity.

Q2: What are the dimensions and weight of the module?
Dimensions are 38 x 167 x 115 mm, and weight is 0.699 kg.

Q3: Which interface types are supported?
Supports RS-232 and RS-485 interfaces.

Q4: Which communication protocol does it support?
Uses Honeywell proprietary serial communication protocol.

Q5: What is the communication speed?
Supports speeds from 9.6 kbps to 115.2 kbps.

Q6: What is the power supply voltage?
Requires a 24 VDC power supply.

Q7: How is the module mounted?
Can be mounted on DIN rail or rack.

Q8: What are the typical applications?
Used for data transfer and control signal exchange between modules in industrial automation systems.

621-9939 Honeywell Serial Link Module

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