XNXXSL2SS RS485 Modbus RTU | Honeywell XNX Universal

Honeywell XNX Universal Transmitter with XNXXSL2SS Modbus Module

• Output Type: Isolated RS485 with Modbus RTU protocol.
• Baud Rate: Selectable from 1200 to 19.2K baud.
• Maximum Nodes: Supports up to 254 XNX compatible transmitters.
• Connections: RS485+, RS485-, and Drain terminals.
• Functions: Matches Foundation Fieldbus module capabilities (optional).
• Exclusivity: Mutually exclusive with relays and Foundation Fieldbus options.

Gas Detection Specifications (Cl₂, Low Range)

• Target Gas: Chlorine (Cl₂) – Low range.
• Default Range: 5.00 ppm (full scale not selectable).
• Lower Detectable Limit: 0.15 ppm for trace chlorine detection.
• Calibration Gas Range: 30% to 70% of full scale; default cal point 2.0 ppm.
• Response Time: T50 under 20 seconds, T90 under 60 seconds.
• Accuracy: ±0.2 ppm delivers precise and reliable readings.

Operating Temperature & Environment

• Temperature Range: Operates from -10°C (14°F) to 55°C (131°F).
• Electrochemical Sensor: Provides stable chlorine-specific response.
• Durability: Resists humidity and minor temperature fluctuations.
• Interference Protection: Built-in filters minimize cross-gas effects.

Installation & Integration

• Factory installs the XNXXSL2SS module in the display unit upon request.
• Qualified engineers can also field-install the module with proper tools.
• Connect RS485+, RS485-, and Drain to your Modbus master device.
• Configure baud rate and node address via the XNX transmitter menu.
• Verify network termination resistors for long-distance communication.

Package Contents

• One Honeywell XNXXSL2SS Modbus output module.
• Mounting screws and terminal block connectors.
• Installation instruction sheet (quick reference).
• Modbus protocol mapping document.

Shipping & Delivery

• We ship all orders within 5 business days after order confirmation.
• Choose express shipping via FedEx, UPS, or DHL for fast delivery.
• Tracking number provided upon shipment.

Frequently Asked Questions (FAQ)

• Is this a brand new, original module? Yes, we stock only brand new, original Honeywell XNXXSL2SS modules.
• Do you have stock available? Yes, we maintain ample stock for immediate shipment.
• Can I use this module with relays simultaneously? No, the Modbus option is mutually exclusive with relays and Foundation Fieldbus.
• How many transmitters can connect to one network? Up to 254 XNX compatible transmitters on a single Modbus network.
• What is the default chlorine calibration point? The default cal point is 2.0 ppm (30-70% of range).
• What is the T90 response time for chlorine? Under 60 seconds for 90% of final reading.
• Return policy? We support 30-day returns for unused items in original packaging.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628 (WhatsApp).

Partner NexAuto Technology Limited: https://www.nex-auto.com/

Download PDF Document

Click to download PDF