The KJ1611X1-FD1 (RM100-24TX) serves as a critical network infrastructure component for Emerson DeltaV distributed control systems. This 24-port managed Ethernet switch ensures deterministic data transmission across pharmaceutical, chemical, and energy production environments where network reliability directly impacts operational continuity and regulatory compliance.
Designed for process industries requiring 24/7 uptime, this switch addresses the challenge of maintaining stable communication between controllers, workstations, and I/O subsystems in electrically noisy industrial settings. Plant engineers and automation integrators rely on the KJ1611X1-FD1 to segment control traffic, prioritize real-time data, and provide diagnostic visibility without compromising system performance.
With dual redundant power inputs, extended temperature tolerance, and comprehensive VLAN support, the switch delivers the network resilience demanded by mission-critical process control applications. Its managed capabilities enable proactive network monitoring and rapid troubleshooting, reducing mean time to repair and minimizing production disruptions.
→ 24 x 10/100Base-TX Ports
Connect multiple DeltaV controllers, operator stations, and field devices through a single consolidated switch, reducing cabinet space and simplifying network topology while maintaining full wire-speed performance.
→ Dual Redundant 24VDC Power Inputs
Automatic failover in under 10 milliseconds ensures continuous operation during power supply failures, eliminating network downtime that could halt production processes or compromise batch integrity.
→ IEEE 802.1Q VLAN Support (256 VLANs)
Isolate control network traffic from diagnostic and enterprise traffic, preventing bandwidth congestion and enhancing cybersecurity by creating logical network boundaries without additional hardware.
→ SNMP v3 Network Management
Monitor port utilization, error rates, and device health in real-time through standard network management platforms, enabling predictive maintenance and rapid identification of communication bottlenecks.
→ Extended Temperature Range (-40°C to +70°C)
Deploy in harsh industrial environments including outdoor enclosures, high-temperature process areas, and uncontrolled ambient conditions without performance degradation or premature failure.
→ Quality of Service (IEEE 802.1p)
Prioritize time-critical control data over non-essential traffic, guaranteeing consistent scan times and alarm response even during peak network loads or historian data transfers.
Pharmaceutical Batch Manufacturing
In FDA-regulated pharmaceutical facilities, the KJ1611X1-FD1 connects recipe management servers, batch controllers, and electronic batch record systems. VLAN segmentation ensures that production network traffic remains isolated from quality assurance and enterprise systems, supporting 21 CFR Part 11 compliance while maintaining audit trail integrity.
Chemical Process Control Networks
For continuous chemical production, the switch links distributed I/O subsystems across multiple process units spanning hundreds of meters. Rapid Spanning Tree Protocol provides sub-second network recovery during cable failures, preventing loss of process visibility that could lead to safety incidents or off-spec product.
Power Generation Control Systems
In combined-cycle power plants, the switch handles communication between turbine controllers, emissions monitoring systems, and SCADA workstations. Jumbo frame support (up to 9KB) accelerates bulk data transfer during shift handover reports and regulatory compliance data logging without impacting real-time control loops.
Oil & Gas Upstream Facilities
Remote wellhead automation systems utilize the switch's extended temperature rating and EMI immunity to maintain reliable communication in electrically harsh environments. Port mirroring enables cybersecurity monitoring tools to analyze network traffic for anomalous patterns without introducing latency to control communications.
Food & Beverage Processing
Multi-line packaging operations deploy the KJ1611X1-FD1 to coordinate material handling systems, quality inspection stations, and production tracking databases. Auto-negotiation and auto-MDI/MDIX eliminate configuration errors during equipment additions or network reconfigurations, reducing commissioning time and integration costs.
| Model Number | KJ1611X1-FD1 (RM100-24TX) |
| Port Configuration | 24 x 10/100Base-TX RJ45 |
| Switching Capacity | 4.8 Gbps (non-blocking) |
| MAC Address Table | 8,192 entries |
| VLAN Support | IEEE 802.1Q (up to 256 VLANs) |
| Spanning Tree | IEEE 802.1D, 802.1w (RSTP) |
| Power Input | Dual redundant 24VDC (18-32VDC range) |
| Power Consumption | 18W maximum |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| MTBF | >200,000 hours |
| Mounting | DIN-rail or panel mount |
| Dimensions | 280mm x 130mm x 85mm |
| Certifications | UL/cUL, CE, ATEX Zone 2, IECEx |
Selection Criteria: Choose the KJ1611X1-FD1 when your DeltaV network requires more than 16 ports but fewer than 48 ports, when VLAN segmentation is necessary for traffic isolation, or when redundant power is mandated by site reliability standards. For fiber optic uplinks to remote buildings, consider models with SFP slots. For networks requiring Layer 3 routing between VLANs, evaluate higher-tier managed switches with routing capabilities.
DeltaV System Integration: The switch auto-discovers DeltaV controllers and workstations through LLDP (Link Layer Discovery Protocol), populating network topology maps in DeltaV Operate and DeltaV Explorer. This simplifies commissioning and provides visual confirmation of network connectivity during system validation.
Cybersecurity Hardening: Port security features limit MAC addresses per port, preventing unauthorized device connections. Access Control Lists (ACLs) restrict traffic based on IP addresses and protocols, creating defense-in-depth layers that complement firewall protections at the network perimeter.
Remote Diagnostics: Web-based management interface enables secure remote access for troubleshooting, eliminating the need for on-site visits during off-hours alarms. SNMP traps notify network management systems of port link failures, power supply faults, or temperature excursions before they impact production.
Scalability Options: Stack multiple KJ1611X1-FD1 switches using fiber uplinks to create hierarchical network architectures supporting hundreds of devices. Backward compatibility with legacy DeltaV MD and MD Plus controllers protects existing infrastructure investments during phased system upgrades.
Lead Time: Standard stock items ship within 3-5 business days. Custom configurations with specific firmware versions or factory testing require 2-3 weeks. Expedited shipping available for critical outage situations.
Warranty: 24-month manufacturer warranty covering defects in materials and workmanship. Extended warranty programs available for facilities requiring 5-year coverage aligned with capital equipment lifecycles.
Technical Support: Pre-sales application engineering assistance for network design and sizing. Post-sales support includes configuration guidance, firmware updates, and troubleshooting via phone and email. On-site commissioning services available through certified integration partners.
Documentation Package: Each switch includes installation manual, quick start guide, CLI command reference, and SNMP MIB files. CAD drawings and 3D STEP models available for cabinet layout planning.
What is the maximum cable length supported between the switch and DeltaV controllers?
Standard Cat5e/Cat6 Ethernet cables support up to 100 meters (328 feet) per segment. For longer distances, use fiber optic media converters or switches with SFP uplink ports to extend reach up to 2 kilometers with multimode fiber or 40 kilometers with single-mode fiber.
Can this switch handle both DeltaV control network and plant-wide Ethernet traffic simultaneously?
Yes, through VLAN segmentation. Configure separate VLANs for control traffic (controllers and I/O), operator traffic (workstations and historians), and enterprise traffic (MES integration). Quality of Service settings prioritize control traffic to prevent congestion from impacting real-time performance.
How much power savings can be achieved compared to unmanaged switches?
Managed switches consume slightly more power (18W vs. 12W for unmanaged equivalents) due to management processor overhead. However, the ability to disable unused ports and implement Energy Efficient Ethernet (IEEE 802.3az) can reduce overall network power consumption by 15-20% in large installations.
What are the installation requirements for mounting in control cabinets?
The switch mounts on standard 35mm DIN rail or can be panel-mounted using included brackets. Maintain 50mm clearance above and below for convective cooling. Ambient temperature inside the cabinet should not exceed 60°C for continuous operation. Dual power inputs require separate 24VDC supplies for true redundancy.
Does the switch support remote monitoring through DeltaV Operate or third-party SCADA systems?
Yes, via SNMP integration. Configure SNMP traps to send alerts to DeltaV Operate alarm management or third-party network monitoring platforms like SolarWinds or PRTG. OPC DA/UA servers can poll SNMP data for integration into process graphics and trend displays.
Is firmware upgradeable in the field without removing the switch from service?
Firmware updates require a brief reboot (typically 60-90 seconds). For zero-downtime upgrades, deploy switches in redundant pairs using Rapid Spanning Tree Protocol. Update one switch at a time while the redundant switch maintains network connectivity, then fail back and update the second switch.
Contact our automation specialists for application-specific recommendations, network architecture reviews, and volume pricing. We provide detailed technical datasheets, compatibility matrices, and migration planning assistance to ensure seamless integration with your existing DeltaV system.
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