Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Item | Specification |
|---|---|
| Model | 621-9935 |
| Type | Serial I/O Module |
| Communication Ports | RS-232 / RS-485 |
| Supported Protocols | Modbus RTU, Honeywell proprietary |
| Baud Rate | 1200 – 115200 bps |
| Number of Ports | 2 independent serial channels |
| Input Voltage | 5 VDC (rack supplied) |
| Electrical Isolation | Isolated between ports |
| Status Indicators | Power, Communication, Fault LEDs |
| Data Format Support | 7/8 data bits, 1/2 stop bits, parity optional |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Mounting Style | I/O rack slot installation |
| System Compatibility | Honeywell TPS / TDC 3000 control systems |
| Dimensions | 264 x 32 x 127 mm |
| Weight | 0.63 kg |
FAQ
FAQ
Q1: What communication protocols does the 621-9935 support?
It supports standard Modbus RTU and Honeywell proprietary serial protocols.
Q2: How many serial ports are available on the module?
The module provides 2 independent RS-232 or RS-485 serial ports.
Q3: Does it support automatic switching between RS-232 and RS-485?
No, switching must be done manually or by configuration.
Q4: Is electrical isolation provided between ports?
Yes, electrical isolation is provided between the two serial channels.
Q5: How is the module powered?
It is powered by the I/O rack system at 5 VDC.
Q6: Is redundancy supported?
The module itself does not provide redundancy but can be used in a redundant setup.
Q7: Which Honeywell systems is it compatible with?
Compatible with Honeywell TPS and TDC 3000 platforms.
Q8: What are its dimensions and weight?
Dimensions: 264 x 32 x 127 mm; Weight: approx. 0.63 kg.
Tags
Packing & Delivery
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.
