Serial I/O Module Honeywell 621-9935
Manufacturer:
Honeywell
Product No.:
621-9935
Condition:
In Stock
Product Type:
Serial I/O Module
Product Origin:
USA
Weight:
700g
Shipping port:
Xiamen
Warranty:
12 months
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We offer a wide range of in-stock industrial automation spare parts. All products come with a 12-month warranty and a 30-day refund for quality issues.
Product Introduction
The Honeywell 621-9935 connects your control system to serial devices. This versatile I/O module works with both RS-232 and RS-485 equipment. It supports Modbus communication protocols. You can integrate various serial devices into your automation system.
Technical Specifications
- Brand: Honeywell
- Model: 621-9935
- Type: Serial I/O Module
- Points: 8/16 configurable
- Input Voltage: 24V DC ±20%
- Power Consumption: 2.5W typical
- Current Draw: 105mA at 24V DC
- Isolation: 500V DC (input-to-output, channel-to-channel)
- Serial Ports: 2 (RS-232/RS-485 selectable)
- Baud Rate: 300-115,200 bps
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Parity: None, Even, Odd
- Protocols: Modbus RTU, ASCII
- Dimensions: 1.2" x 10.5" x 7.0"
- Weight: 1.5 lbs (0.7 kg)
Communication Capabilities
- Two configurable serial ports
- RS-232 and RS-485 compatibility
- Wide range of baud rates
- Multiple parity options
- Industry-standard protocol support
Installation & Setup
- Easy DIN rail mounting
- Simple configuration via DIP switches
- Clear status indicators
- Tool-less terminal connections
- Wide operating temperature range
Professional FAQ
- What devices can it connect to? PLCs, meters, scanners, printers.
- Is software included? No, use standard configuration tools.
- Can both ports be used simultaneously? Yes, with different devices.
- What cable length is supported? Up to 1200 meters with RS-485.
- Is it compatible with Ethernet networks? No, serial only.
Warranty & Shipping
- 12-month warranty
- Worldwide shipping via FedEx, UPS, DHL
- Same-day shipping available
- Tracking number provided