Honeywell 621-9940 Serial I/O Modules

FAQ

Q1: What is the main function of the 621-9940?
Used for acquiring, outputting, and transmitting digital and analog signals in industrial automation systems.

Q2: What are the dimensions and weight of the module?
Dimensions are 264 x 32 x 127 mm, and weight is 0.61 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: How many input/output points does it have?
Supports 8 to 16 I/O points depending on the module model.

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 digital and analog signal acquisition, output, and control transmission in industrial automation systems.

621-9940 Honeywell Serial I/O Modules

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.