Emerson DeltaV KJ3246X1-BA1 S-Series H1 With Integrated Power

Overview

The Emerson KJ3246X1-BA1 is an S-Series H1 Interface Card with Integrated Power for the DeltaV™ distributed control system. It combines FOUNDATION Fieldbus H1 communication and field power distribution in a single module, simplifying system architecture and reducing wiring complexity.

Technical Specifications

• Manufacturer: Emerson
• Model: KJ3246X1-BA1
• Type: S-Series H1 with Integrated Power
• Local Bus Power: 12 VDC at 300 mA
• Field Circuit Power: 28–30 VDC at 400 mA per port
• Terminal Block Key Position: D6
• Dimensions: 12.5 × 7.5 × 2.5 cm (per CambiaPLC); 127 × 63.5 × 19.05 mm (per AutoModuleExpert)
• Weight: ~0.22 – 0.35 kg (varies by source)

Environmental & Safety Ratings

• Operating Temperature: −40 °C to +70 °C
• Shock: 10 g, ½ sine wave for 11 ms
• Vibration: 1 mm peak-to-peak (2–13.2 Hz); 0.7 g (13.2–150 Hz)
• Relative Humidity: 5 % – 95 % non-condensing
• Airborne Contaminants: ISA-S71.04-1985 Class G3
• Hazardous Area: Zone 2 / Class I Div. 2 (ATEX, IECEx, FM)

Key Features

• Integrated H1 communication and power eliminates separate power supply wiring
• Redundant configuration support for high-availability fieldbus architectures
• Compact form factor for space-constrained control cabinets
• Certified for hazardous environments (Zone 2 / Class I Div. 2)

FAQ

Q: How many H1 segments does this module support?
A: The KJ3246X1-BA1 provides integrated power and communication for H1 fieldbus segments. Verify segment count per your DeltaV system design.

Q: What is the field power output per port?
A: 28–30 VDC at 400 mA per port. Ensure total field device load does not exceed this capacity.

Q: Can I use this in a redundant setup?
A: Yes, it supports redundant configurations to enhance fault tolerance and system uptime.

Installation Guidelines

1. Set the terminal block key to D6.
2. Install the module into an S-Series carrier slot.
3. Connect shielded twisted-pair H1 fieldbus cable to the port(s).
4. Verify proper termination and grounding at the end of each H1 segment.

Selection Tips

• Select KJ3246X1-BA1 when you need combined H1 communication and field power in one module.
• Calculate total H1 segment power draw to ensure 400 mA per port is sufficient.
• For hazardous locations, confirm ATEX/IECEx markings on the product label.